Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. Signed-off-by: Prashant Gaikwad <pgaikwad@xxxxxxxxxx> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra20_clocks.h | 37 + arch/arm/mach-tegra/tegra20_clocks_data.c | 941 +++++++++++++++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 1058 +---------------------------- 4 files changed, 995 insertions(+), 1042 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 0b62a9b..655fcfc 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -13,6 +13,7 @@ obj-y += apbio.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h new file mode 100644 index 0000000..167058c --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA20_CLOCK_H +#define __MACH_TEGRA20_CLOCK_H + +extern struct clk_ops tegra_pll_ops; +extern struct clk_ops tegra_clk_m_ops; +extern struct clk_ops tegra_pll_div_ops; +extern struct clk_ops tegra_pllx_ops; +extern struct clk_ops tegra_plle_ops; +extern struct clk_ops tegra_clk_double_ops; +extern struct clk_ops tegra_cdev_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; +extern struct clk_ops tegra_super_ops; +extern struct clk_ops tegra_cpu_ops; +extern struct clk_ops tegra_cop_ops; +extern struct clk_ops tegra_bus_ops; +extern struct clk_ops tegra_blink_clk_ops; +extern struct clk_ops tegra_emc_clk_ops; +extern struct clk_ops tegra_periph_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c new file mode 100644 index 0000000..24f45ff --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -0,0 +1,941 @@ +/* + * arch/arm/mach-tegra/tegra2_clocks.c + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Colin Cross <ccross@xxxxxxxxxx> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/clkdev.h> +#include <linux/clk.h> + +#include <mach/iomap.h> +#include <mach/suspend.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra2_emc.h" +#include "tegra20_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, +}; + +static struct clk tegra_pll_s = { + .name = "pll_s", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_pll_ops, + .parent = &tegra_clk_32k, + .max_rate = 26000000, + .reg = 0xf0, + .u.pll = { + .input_min = 32768, + .input_max = 32768, + .cf_min = 0, /* FIXME */ + .cf_max = 0, /* FIXME */ + .vco_min = 12000000, + .vco_max = 26000000, + .freq_table = tegra_pll_s_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_mux_sel tegra_clk_m_sel[] = { + { .input = &tegra_clk_32k, .value = 0}, + { .input = &tegra_pll_s, .value = 1}, + { NULL , 0}, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra_clk_m_ops, + .inputs = tegra_clk_m_sel, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 600000000, 600, 12, 1, 8 }, + { 13000000, 600000000, 600, 13, 1, 8 }, + { 19200000, 600000000, 500, 16, 1, 6 }, + { 26000000, 600000000, 600, 26, 1, 8 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x80, + .parent = &tegra_clk_m, + .max_rate = 600000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x90, + .parent = &tegra_clk_m, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 19200000, 216000000, 90, 4, 2, 1}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 12000000, 432000000, 432, 12, 1, 8}, + { 13000000, 432000000, 432, 13, 1, 8}, + { 19200000, 432000000, 90, 4, 1, 1}, + { 26000000, 432000000, 432, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xa0, + .parent = &tegra_clk_m, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 73728000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 73728000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 19200000, 216000000, 135, 12, 1, 3}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_pll_ops, + .reg = 0xd0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 0}, + { 13000000, 480000000, 960, 13, 2, 0}, + { 19200000, 480000000, 200, 4, 2, 0}, + { 26000000, 480000000, 960, 26, 2, 0}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLLU, + .ops = &tegra_pll_ops, + .reg = 0xc0, + .parent = &tegra_clk_m, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + /* 912 MHz */ + { 12000000, 912000000, 912, 12, 1, 12}, + { 13000000, 912000000, 912, 13, 1, 12}, + { 19200000, 912000000, 760, 16, 1, 8}, + { 26000000, 912000000, 912, 26, 1, 12}, + + /* 816 MHz */ + { 12000000, 816000000, 816, 12, 1, 12}, + { 13000000, 816000000, 816, 13, 1, 12}, + { 19200000, 816000000, 680, 16, 1, 8}, + { 26000000, 816000000, 816, 26, 1, 12}, + + /* 760 MHz */ + { 12000000, 760000000, 760, 12, 1, 12}, + { 13000000, 760000000, 760, 13, 1, 12}, + { 19200000, 760000000, 950, 24, 1, 8}, + { 26000000, 760000000, 760, 26, 1, 12}, + + /* 750 MHz */ + { 12000000, 750000000, 750, 12, 1, 12}, + { 13000000, 750000000, 750, 13, 1, 12}, + { 19200000, 750000000, 625, 16, 1, 8}, + { 26000000, 750000000, 750, 26, 1, 12}, + + /* 608 MHz */ + { 12000000, 608000000, 608, 12, 1, 12}, + { 13000000, 608000000, 608, 13, 1, 12}, + { 19200000, 608000000, 380, 12, 1, 8}, + { 26000000, 608000000, 608, 26, 1, 12}, + + /* 456 MHz */ + { 12000000, 456000000, 456, 12, 1, 12}, + { 13000000, 456000000, 456, 13, 1, 12}, + { 19200000, 456000000, 380, 16, 1, 8}, + { 26000000, 456000000, 456, 26, 1, 12}, + + /* 312 MHz */ + { 12000000, 312000000, 312, 12, 1, 12}, + { 13000000, 312000000, 312, 13, 1, 12}, + { 19200000, 312000000, 260, 16, 1, 8}, + { 26000000, 312000000, 312, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, + .ops = &tegra_pllx_ops, + .reg = 0xe0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + { 12000000, 100000000, 200, 24, 1, 0 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_plle_ops, + .parent = &tegra_clk_m, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 12000000, + .freq_table = tegra_pll_e_freq_table, + }, +}; + +static struct clk tegra_clk_d = { + .name = "clk_d", + .flags = PERIPH_NO_RESET, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 12, + .parent = &tegra_clk_m, + .max_rate = 52000000, + .u.periph = { + .clk_num = 90, + }, +}; + +/* dap_mclk1, belongs to the cdev1 pingroup. */ +static struct clk tegra_clk_cdev1 = { + .name = "cdev1", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 94, + }, +}; + +/* dap_mclk2, belongs to the cdev2 pingroup. */ +static struct clk tegra_clk_cdev2 = { + .name = "cdev2", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, + }, +}; + +/* initialized before peripheral clocks */ +static struct clk_mux_sel mux_audio_sync_clk[8+1]; +static const struct audio_sources { + const char *name; + int value; +} mux_audio_sync_clk_sources[] = { + { .name = "spdif_in", .value = 0 }, + { .name = "i2s1", .value = 1 }, + { .name = "i2s2", .value = 2 }, + { .name = "pll_a_out0", .value = 4 }, +#if 0 /* FIXME: not implemented */ + { .name = "ac97", .value = 3 }, + { .name = "ext_audio_clk2", .value = 5 }, + { .name = "ext_audio_clk1", .value = 6 }, + { .name = "ext_vimclk", .value = 7 }, +#endif + { NULL, 0 } +}; + +static struct clk tegra_clk_audio = { + .name = "audio", + .inputs = mux_audio_sync_clk, + .reg = 0x38, + .max_rate = 73728000, + .ops = &tegra_audio_sync_clk_ops +}; + +static struct clk tegra_clk_audio_2x = { + .name = "audio_2x", + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 8, + .parent = &tegra_clk_audio, + .u.periph = { + .clk_num = 89, + }, +}; + +static struct clk_lookup tegra_audio_clk_lookups[] = { + { .con_id = "audio", .clk = &tegra_clk_audio }, + { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } +}; + +/* This is called after peripheral clocks are initialized, as the + * audio_sync clock depends on some of the peripheral clocks. + */ + +static void init_audio_sync_clock_mux(void) +{ + int i; + struct clk_mux_sel *sel = mux_audio_sync_clk; + const struct audio_sources *src = mux_audio_sync_clk_sources; + struct clk_lookup *lookup; + + for (i = 0; src->name; i++, sel++, src++) { + sel->input = tegra_get_clock_by_name(src->name); + if (!sel->input) + pr_err("%s: could not find clk %s\n", __func__, + src->name); + sel->value = src->value; + } + + lookup = tegra_audio_clk_lookups; + for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { + clk_init(lookup->clk); + clkdev_add(lookup); + } +} + +static struct clk_mux_sel mux_cclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_clk_d, .value = 7}, + { .input = &tegra_pll_x, .value = 8}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + { .input = &tegra_clk_d, .value = 5}, + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { NULL, 0}, +}; + +static struct clk tegra_clk_cclk = { + .name = "cclk", + .inputs = mux_cclk, + .reg = 0x20, + .ops = &tegra_super_ops, + .max_rate = 1000000000, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra_super_ops, + .max_rate = 240000000, + .min_rate = 120000000, +}; + +static struct clk tegra_clk_virtual_cpu = { + .name = "cpu", + .parent = &tegra_clk_cclk, + .ops = &tegra_cpu_ops, + .max_rate = 1000000000, + .u.cpu = { + .main = &tegra_pll_x, + .backup = &tegra_pll_p, + }, +}; + +static struct clk tegra_clk_cop = { + .name = "cop", + .parent = &tegra_clk_sclk, + .ops = &tegra_cop_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_hclk = { + .name = "hclk", + .flags = DIV_BUS, + .parent = &tegra_clk_sclk, + .reg = 0x30, + .reg_shift = 4, + .ops = &tegra_bus_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_pclk = { + .name = "pclk", + .flags = DIV_BUS, + .parent = &tegra_clk_hclk, + .reg = 0x30, + .reg_shift = 0, + .ops = &tegra_bus_ops, + .max_rate = 120000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { + {.input = &tegra_pll_a_out0, .value = 0}, + {.input = &tegra_clk_audio_2x, .value = 1}, + {.input = &tegra_pll_p, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_audio, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + {.input = &tegra_clk_32k, .value = 4}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_plld[] = { + { .input = &tegra_pll_d, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pclk[] = { + { .input = &tegra_clk_pclk, .value = 0}, + { NULL, 0}, +}; + +static struct clk tegra_clk_emc = { + .name = "emc", + .ops = &tegra_emc_clk_ops, + .reg = 0x19c, + .max_rate = 800000000, + .inputs = mux_pllm_pllc_pllp_clkm, + .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .u.periph = { + .clk_num = 57, + }, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + } + +static struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), + PERIPH_CLK("pwm", "tegra-pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71 | MUX_PWM), + PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + /* FIXME: what is la? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + + SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), + SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), + SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), + SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), + SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), + SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), + SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), + SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), + SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), + SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), + SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +static struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), +}; + +#define CLK(dev, con, ck) \ + { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + } + +static struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_pll_s, + &tegra_clk_m, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_e, + &tegra_clk_cclk, + &tegra_clk_sclk, + &tegra_clk_hclk, + &tegra_clk_pclk, + &tegra_clk_d, + &tegra_clk_cdev1, + &tegra_clk_cdev2, + &tegra_clk_virtual_cpu, + &tegra_clk_blink, + &tegra_clk_cop, + &tegra_clk_emc, +}; + +static void tegra2_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra2_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra2_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra2_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + init_audio_sync_clock_mux(); +} diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index 83ccb85..4a32030 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -274,7 +274,7 @@ static void tegra2_clk_m_disable(struct clk *c) BUG(); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, .enable = tegra2_clk_m_enable, .disable = tegra2_clk_m_disable, @@ -364,7 +364,7 @@ static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra_super_ops = { .init = tegra2_super_clk_init, .enable = tegra2_super_clk_enable, .disable = tegra2_super_clk_disable, @@ -431,7 +431,7 @@ out: return ret; } -static struct clk_ops tegra_cpu_ops = { +struct clk_ops tegra_cpu_ops = { .init = tegra2_cpu_clk_init, .enable = tegra2_cpu_clk_enable, .disable = tegra2_cpu_clk_disable, @@ -448,7 +448,7 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -static struct clk_ops tegra_cop_ops = { +struct clk_ops tegra_cop_ops = { .reset = tegra2_cop_clk_reset, }; @@ -519,7 +519,7 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_bus_ops = { +struct clk_ops tegra_bus_ops = { .init = tegra2_bus_clk_init, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, @@ -601,7 +601,7 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra_blink_clk_ops = { .init = &tegra2_blink_clk_init, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, @@ -711,7 +711,7 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra_pll_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -726,7 +726,7 @@ static void tegra2_pllx_clk_init(struct clk *c) c->max_rate = 750000000; } -static struct clk_ops tegra_pllx_ops = { +struct clk_ops tegra_pllx_ops = { .init = tegra2_pllx_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -752,7 +752,7 @@ static int tegra2_plle_clk_enable(struct clk *c) return 0; } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra_plle_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_plle_clk_enable, .set_rate = tegra2_pll_clk_set_rate, @@ -895,7 +895,7 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra_pll_div_ops = { .init = tegra2_pll_div_clk_init, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, @@ -1128,7 +1128,7 @@ static long tegra2_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra_periph_clk_ops = { .init = &tegra2_periph_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1217,7 +1217,7 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_emc_clk_ops = { +struct clk_ops tegra_emc_clk_ops = { .init = &tegra2_emc_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1251,7 +1251,7 @@ static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra_clk_double_ops = { .init = &tegra2_clk_double_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1310,7 +1310,7 @@ static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra_audio_sync_clk_ops = { .init = tegra2_audio_sync_clk_init, .enable = tegra2_audio_sync_clk_enable, .disable = tegra2_audio_sync_clk_disable, @@ -1349,7 +1349,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static struct clk_ops tegra_cdev_clk_ops = { +struct clk_ops tegra_cdev_clk_ops = { .init = &tegra2_cdev_clk_init, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, @@ -1449,1036 +1449,10 @@ static void tegra_clk_shared_bus_disable(struct clk *c) spin_unlock_irqrestore(&c->parent->spinlock, flags); } -static struct clk_ops tegra_clk_shared_bus_ops = { +struct clk_ops tegra_clk_shared_bus_ops = { .init = tegra_clk_shared_bus_init, .enable = tegra_clk_shared_bus_enable, .disable = tegra_clk_shared_bus_disable, .set_rate = tegra_clk_shared_bus_set_rate, .round_rate = tegra_clk_shared_bus_round_rate, }; - - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, -}; - -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 600000000, 600, 12, 1, 8 }, - { 13000000, 600000000, 600, 13, 1, 8 }, - { 19200000, 600000000, 500, 16, 1, 6 }, - { 26000000, 600000000, 600, 26, 1, 8 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 19200000, 216000000, 90, 4, 2, 1}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 12000000, 432000000, 432, 12, 1, 8}, - { 13000000, 432000000, 432, 13, 1, 8}, - { 19200000, 432000000, 90, 4, 1, 1}, - { 26000000, 432000000, 432, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 19200000, 216000000, 135, 12, 1, 3}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 0}, - { 13000000, 480000000, 960, 13, 2, 0}, - { 19200000, 480000000, 200, 4, 2, 0}, - { 26000000, 480000000, 960, 26, 2, 0}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - /* 912 MHz */ - { 12000000, 912000000, 912, 12, 1, 12}, - { 13000000, 912000000, 912, 13, 1, 12}, - { 19200000, 912000000, 760, 16, 1, 8}, - { 26000000, 912000000, 912, 26, 1, 12}, - - /* 816 MHz */ - { 12000000, 816000000, 816, 12, 1, 12}, - { 13000000, 816000000, 816, 13, 1, 12}, - { 19200000, 816000000, 680, 16, 1, 8}, - { 26000000, 816000000, 816, 26, 1, 12}, - - /* 760 MHz */ - { 12000000, 760000000, 760, 12, 1, 12}, - { 13000000, 760000000, 760, 13, 1, 12}, - { 19200000, 760000000, 950, 24, 1, 8}, - { 26000000, 760000000, 760, 26, 1, 12}, - - /* 750 MHz */ - { 12000000, 750000000, 750, 12, 1, 12}, - { 13000000, 750000000, 750, 13, 1, 12}, - { 19200000, 750000000, 625, 16, 1, 8}, - { 26000000, 750000000, 750, 26, 1, 12}, - - /* 608 MHz */ - { 12000000, 608000000, 608, 12, 1, 12}, - { 13000000, 608000000, 608, 13, 1, 12}, - { 19200000, 608000000, 380, 12, 1, 8}, - { 26000000, 608000000, 608, 26, 1, 12}, - - /* 456 MHz */ - { 12000000, 456000000, 456, 12, 1, 12}, - { 13000000, 456000000, 456, 13, 1, 12}, - { 19200000, 456000000, 380, 16, 1, 8}, - { 26000000, 456000000, 456, 26, 1, 12}, - - /* 312 MHz */ - { 12000000, 312000000, 312, 12, 1, 12}, - { 13000000, 312000000, 312, 13, 1, 12}, - { 19200000, 312000000, 260, 16, 1, 8}, - { 26000000, 312000000, 312, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - { 12000000, 100000000, 200, 24, 1, 0 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, -}; - -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { - .clk_num = 90, - }, -}; - -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 94, - }, -}; - -/* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, - }, -}; - -/* initialized before peripheral clocks */ -static struct clk_mux_sel mux_audio_sync_clk[8+1]; -static const struct audio_sources { - const char *name; - int value; -} mux_audio_sync_clk_sources[] = { - { .name = "spdif_in", .value = 0 }, - { .name = "i2s1", .value = 1 }, - { .name = "i2s2", .value = 2 }, - { .name = "pll_a_out0", .value = 4 }, -#if 0 /* FIXME: not implemented */ - { .name = "ac97", .value = 3 }, - { .name = "ext_audio_clk2", .value = 5 }, - { .name = "ext_audio_clk1", .value = 6 }, - { .name = "ext_vimclk", .value = 7 }, -#endif - { NULL, 0 } -}; - -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops -}; - -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 8, - .parent = &tegra_clk_audio, - .u.periph = { - .clk_num = 89, - }, -}; - -static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } -}; - -/* This is called after peripheral clocks are initialized, as the - * audio_sync clock depends on some of the peripheral clocks. - */ - -static void init_audio_sync_clock_mux(void) -{ - int i; - struct clk_mux_sel *sel = mux_audio_sync_clk; - const struct audio_sources *src = mux_audio_sync_clk_sources; - struct clk_lookup *lookup; - - for (i = 0; src->name; i++, sel++, src++) { - sel->input = tegra_get_clock_by_name(src->name); - if (!sel->input) - pr_err("%s: could not find clk %s\n", __func__, - src->name); - sel->value = src->value; - } - - lookup = tegra_audio_clk_lookups; - for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); - } -} - -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, - .max_rate = 1000000000, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 240000000, - .min_rate = 120000000, -}; - -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, -}; - -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, -}; - -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, - .reg = 0x19c, - .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, - .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, - .u.periph = { - .clk_num = 57, - }, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } - -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "tegra-pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71 | MUX_PWM), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -static struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), -}; - -#define CLK(dev, con, ck) \ - { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ - } - -static struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_pll_s, - &tegra_clk_m, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, - &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, -}; - -static void tegra2_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra2_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra2_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - init_audio_sync_clock_mux(); -} - -#ifdef CONFIG_PM -static u32 clk_rst_suspend[RST_DEVICES_NUM + CLK_OUT_ENB_NUM + - PERIPH_CLK_SOURCE_NUM + 22]; - -void tegra_clk_suspend(void) -{ - unsigned long off, i; - u32 *ctx = clk_rst_suspend; - - *ctx++ = clk_readl(OSC_CTRL) & OSC_CTRL_MASK; - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - - *ctx++ = clk_readl(tegra_pll_m_out1.reg); - *ctx++ = clk_readl(tegra_pll_a_out0.reg); - *ctx++ = clk_readl(tegra_pll_c_out1.reg); - - *ctx++ = clk_readl(tegra_clk_cclk.reg); - *ctx++ = clk_readl(tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - *ctx++ = clk_readl(tegra_clk_sclk.reg); - *ctx++ = clk_readl(tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - *ctx++ = clk_readl(tegra_clk_pclk.reg); - - *ctx++ = clk_readl(tegra_clk_audio.reg); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - *ctx++ = clk_readl(off); - } - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - *ctx++ = clk_readl(MISC_CLK_ENB); - *ctx++ = clk_readl(CLK_MASK_ARM); - - BUG_ON(ctx - clk_rst_suspend != ARRAY_SIZE(clk_rst_suspend)); -} - -void tegra_clk_resume(void) -{ - unsigned long off, i; - const u32 *ctx = clk_rst_suspend; - u32 val; - - val = clk_readl(OSC_CTRL) & ~OSC_CTRL_MASK; - val |= *ctx++; - clk_writel(val, OSC_CTRL); - - clk_writel(*ctx++, tegra_pll_c.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - udelay(1000); - - clk_writel(*ctx++, tegra_pll_m_out1.reg); - clk_writel(*ctx++, tegra_pll_a_out0.reg); - clk_writel(*ctx++, tegra_pll_c_out1.reg); - - clk_writel(*ctx++, tegra_clk_cclk.reg); - clk_writel(*ctx++, tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - clk_writel(*ctx++, tegra_clk_sclk.reg); - clk_writel(*ctx++, tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - clk_writel(*ctx++, tegra_clk_pclk.reg); - - clk_writel(*ctx++, tegra_clk_audio.reg); - - /* enable all clocks before configuring clock sources */ - clk_writel(0xbffffff9ul, CLK_OUT_ENB); - clk_writel(0xfefffff7ul, CLK_OUT_ENB + 4); - clk_writel(0x77f01bfful, CLK_OUT_ENB + 8); - wmb(); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - clk_writel(*ctx++, off); - } - wmb(); - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - clk_writel(*ctx++, MISC_CLK_ENB); - clk_writel(*ctx++, CLK_MASK_ARM); -} -#endif -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
