From: Naveen Krishna Ch <naveenkrishna.ch@xxxxxxxxx> Add initial clock support for Exynos7 SoC which is required to bring up platforms based on Exynos7. Signed-off-by: Naveen Krishna Ch <naveenkrishna.ch@xxxxxxxxx> Signed-off-by: Abhilash Kesavan <a.kesavan@xxxxxxxxxxx> Reviewed-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx> Tested-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx> Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx> Cc: Mike Turquette <mturquette@xxxxxxxxxx> --- .../devicetree/bindings/clock/exynos7-clock.txt | 67 ++++ drivers/clk/samsung/Makefile | 1 + drivers/clk/samsung/clk-exynos7.c | 425 +++++++++++++++++++++ include/dt-bindings/clock/exynos7-clk.h | 49 +++ 4 files changed, 542 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/exynos7-clock.txt create mode 100644 drivers/clk/samsung/clk-exynos7.c create mode 100644 include/dt-bindings/clock/exynos7-clk.h diff --git a/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/Documentation/devicetree/bindings/clock/exynos7-clock.txt new file mode 100644 index 0000000..789f761 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/exynos7-clock.txt @@ -0,0 +1,67 @@ +* Samsung Exynos7 Clock Controller + +Exynos7 clock controller has various blocks which are instantiated +independently from the device-tree. These clock controllers +generate and supply clocks to various hardware blocks within +the SoC. + +Each clock is assigned an identifier and client nodes can use +this identifier to specify the clock which they consume. All +available clocks are defined as preprocessor macros in +dt-bindings/clock/exynos7-clk.h header and can be used in +device tree sources. + +External clocks: + +There are several clocks that are generated outside the SoC. It +is expected that they are defined using standard clock bindings +with following clock-output-names: + + - "fin_pll" - PLL input clock from XXTI + +Required Properties for Clock Controller: + + - compatible: clock controllers will use one of the following + compatible strings to indicate the clock controller + functionality. + + - "samsung,exynos7-clock-topc" + - "samsung,exynos7-clock-top0" + - "samsung,exynos7-clock-peric0" + - "samsung,exynos7-clock-peric1" + - "samsung,exynos7-clock-peris" + + - reg: physical base address of the controller and the length of + memory mapped region. + + - #clock-cells: should be 1. + + - clocks: list of clock identifiers which are fed as the input to + the given clock controller. Please refer the next section to + find the input clocks for a given controller. + +- clock-names: list of names of clocks which are fed as the input + to the given clock controller. + +Input clocks for top0 clock controller: + - fin_pll + - dout_sclk_bus0_pll + - dout_sclk_bus1_pll + - dout_sclk_cc_pll + - dout_sclk_mfc_pll + +Input clocks for peric0 clock controller: + - fin_pll + - dout_aclk_peric0_66 + - sclk_uart0 + +Input clocks for peric1 clock controller: + - fin_pll + - dout_aclk_peric1_66 + - sclk_uart1 + - sclk_uart2 + - sclk_uart3 + +Input clocks for peris clock controller: + - fin_pll + - dout_aclk_peris_66 diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 6fb4bc6..137bf9b 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-clkout.o +obj-$(CONFIG_ARCH_EXYNOS7) += clk-exynos7.o obj-$(CONFIG_S3C2410_COMMON_CLK)+= clk-s3c2410.o obj-$(CONFIG_S3C2410_COMMON_DCLK)+= clk-s3c2410-dclk.o obj-$(CONFIG_S3C2412_COMMON_CLK)+= clk-s3c2412.o diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c new file mode 100644 index 0000000..57712b0 --- /dev/null +++ b/drivers/clk/samsung/clk-exynos7.c @@ -0,0 +1,425 @@ +/* + * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Author: Naveen Krishna Ch <naveenkrishna.ch@xxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/clk-provider.h> +#include <linux/of.h> + +#include "clk.h" +#include <dt-bindings/clock/exynos7-clk.h> + +/* Register Offset definitions for CMU_TOPC (0x10570000) */ +#define CC_PLL_LOCK 0x0000 +#define BUS0_PLL_LOCK 0x0004 +#define BUS1_DPLL_LOCK 0x0008 +#define MFC_PLL_LOCK 0x000C +#define AUD_PLL_LOCK 0x0010 +#define CC_PLL_CON0 0x0100 +#define BUS0_PLL_CON0 0x0110 +#define BUS1_DPLL_CON0 0x0120 +#define MFC_PLL_CON0 0x0130 +#define AUD_PLL_CON0 0x0140 +#define MUX_SEL_TOPC0 0x0200 +#define MUX_SEL_TOPC1 0x0204 +#define MUX_SEL_TOPC3 0x020C +#define DIV_TOPC1 0x0604 +#define DIV_TOPC3 0x060C + +static struct samsung_fixed_factor_clock topc_fixed_factor_clks[] __initdata = { + FFACTOR(0, "ffac_topc_bus0_pll_div2", "mout_bus0_pll_ctrl", 1, 2, 0), + FFACTOR(0, "ffac_topc_bus0_pll_div4", + "ffac_topc_bus0_pll_div2", 1, 2, 0), + FFACTOR(0, "ffac_topc_bus1_pll_div2", "mout_bus1_pll_ctrl", 1, 2, 0), + FFACTOR(0, "ffac_topc_cc_pll_div2", "mout_cc_pll_ctrl", 1, 2, 0), + FFACTOR(0, "ffac_topc_mfc_pll_div2", "mout_mfc_pll_ctrl", 1, 2, 0), +}; + +/* List of parent clocks for Muxes in CMU_TOPC */ +PNAME(mout_bus0_pll_ctrl_p) = { "fin_pll", "fout_bus0_pll" }; +PNAME(mout_bus1_pll_ctrl_p) = { "fin_pll", "fout_bus1_pll" }; +PNAME(mout_cc_pll_ctrl_p) = { "fin_pll", "fout_cc_pll" }; +PNAME(mout_mfc_pll_ctrl_p) = { "fin_pll", "fout_mfc_pll" }; + +PNAME(mout_topc_group2) = { "mout_sclk_bus0_pll_cmuc", + "mout_sclk_bus1_pll_cmuc", "mout_sclk_cc_pll_cmuc", + "mout_sclk_mfc_pll_cmuc" }; + +PNAME(mout_sclk_bus0_pll_cmuc_p) = { "mout_bus0_pll_ctrl", + "ffac_topc_bus0_pll_div2", "ffac_topc_bus0_pll_div4"}; +PNAME(mout_sclk_bus1_pll_cmuc_p) = { "mout_bus1_pll_ctrl", + "ffac_topc_bus1_pll_div2"}; +PNAME(mout_sclk_cc_pll_cmuc_p) = { "mout_cc_pll_ctrl", + "ffac_topc_cc_pll_div2"}; +PNAME(mout_sclk_mfc_pll_cmuc_p) = { "mout_mfc_pll_ctrl", + "ffac_topc_mfc_pll_div2"}; + + +PNAME(mout_sclk_bus0_pll_out_p) = {"mout_bus0_pll_ctrl", + "ffac_topc_bus0_pll_div2"}; + +static unsigned long topc_clk_regs[] __initdata = { + CC_PLL_LOCK, + BUS0_PLL_LOCK, + BUS1_DPLL_LOCK, + MFC_PLL_LOCK, + AUD_PLL_LOCK, + CC_PLL_CON0, + BUS0_PLL_CON0, + BUS1_DPLL_CON0, + MFC_PLL_CON0, + AUD_PLL_CON0, + MUX_SEL_TOPC0, + MUX_SEL_TOPC1, + MUX_SEL_TOPC3, + DIV_TOPC1, + DIV_TOPC3, +}; + +static struct samsung_mux_clock topc_mux_clks[] __initdata = { + MUX(0, "mout_bus0_pll_ctrl", mout_bus0_pll_ctrl_p, MUX_SEL_TOPC0, 0, 1), + MUX(0, "mout_bus1_pll_ctrl", mout_bus1_pll_ctrl_p, MUX_SEL_TOPC0, 4, 1), + MUX(0, "mout_cc_pll_ctrl", mout_cc_pll_ctrl_p, MUX_SEL_TOPC0, 8, 1), + MUX(0, "mout_mfc_pll_ctrl", mout_mfc_pll_ctrl_p, MUX_SEL_TOPC0, 12, 1), + + MUX(0, "mout_sclk_bus0_pll_cmuc", mout_sclk_bus0_pll_cmuc_p, + MUX_SEL_TOPC0, 16, 2), + MUX(0, "mout_sclk_bus1_pll_cmuc", mout_sclk_bus1_pll_cmuc_p, + MUX_SEL_TOPC0, 20, 1), + MUX(0, "mout_sclk_cc_pll_cmuc", mout_sclk_cc_pll_cmuc_p, + MUX_SEL_TOPC0, 24, 1), + MUX(0, "mout_sclk_mfc_pll_cmuc", mout_sclk_mfc_pll_cmuc_p, + MUX_SEL_TOPC0, 28, 1), + + MUX(0, "mout_sclk_bus0_pll_out", mout_sclk_bus0_pll_out_p, + MUX_SEL_TOPC1, 16, 1), + + MUX(0, "mout_aclk_peris_66", mout_topc_group2, MUX_SEL_TOPC3, 24, 2), +}; + +static struct samsung_div_clock topc_div_clks[] __initdata = { + DIV(DOUT_ACLK_PERIS, "dout_aclk_peris_66", "mout_aclk_peris_66", + DIV_TOPC1, 24, 4), + + DIV(DOUT_SCLK_BUS0_PLL, "dout_sclk_bus0_pll", "mout_sclk_bus0_pll_out", + DIV_TOPC3, 0, 3), + DIV(DOUT_SCLK_BUS1_PLL, "dout_sclk_bus1_pll", "mout_bus1_pll_ctrl", + DIV_TOPC3, 8, 3), + DIV(DOUT_SCLK_CC_PLL, "dout_sclk_cc_pll", "mout_cc_pll_ctrl", + DIV_TOPC3, 12, 3), + DIV(DOUT_SCLK_MFC_PLL, "dout_sclk_mfc_pll", "mout_mfc_pll_ctrl", + DIV_TOPC3, 16, 3), +}; + +static struct samsung_pll_clock topc_pll_clks[] __initdata = { + PLL(pll_1451x, 0, "fout_bus0_pll", "fin_pll", BUS0_PLL_LOCK, + BUS0_PLL_CON0, NULL), + PLL(pll_1452x, 0, "fout_cc_pll", "fin_pll", CC_PLL_LOCK, + CC_PLL_CON0, NULL), + PLL(pll_1452x, 0, "fout_bus1_pll", "fin_pll", BUS1_DPLL_LOCK, + BUS1_DPLL_CON0, NULL), + PLL(pll_1452x, 0, "fout_mfc_pll", "fin_pll", MFC_PLL_LOCK, + MFC_PLL_CON0, NULL), + PLL(pll_1460x, 0, "fout_aud_pll", "fin_pll", AUD_PLL_LOCK, + AUD_PLL_CON0, NULL), +}; + +static struct samsung_cmu_info topc_cmu_info __initdata = { + .pll_clks = topc_pll_clks, + .nr_pll_clks = ARRAY_SIZE(topc_pll_clks), + .mux_clks = topc_mux_clks, + .nr_mux_clks = ARRAY_SIZE(topc_mux_clks), + .div_clks = topc_div_clks, + .nr_div_clks = ARRAY_SIZE(topc_div_clks), + .fixed_factor_clks = topc_fixed_factor_clks, + .nr_fixed_factor_clks = ARRAY_SIZE(topc_fixed_factor_clks), + .nr_clk_ids = TOPC_NR_CLK, + .clk_regs = topc_clk_regs, + .nr_clk_regs = ARRAY_SIZE(topc_clk_regs), +}; + +static void __init exynos7_clk_topc_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &topc_cmu_info); +} + +CLK_OF_DECLARE(exynos7_clk_topc, "samsung,exynos7-clock-topc", + exynos7_clk_topc_init); + +/* Register Offset definitions for CMU_TOP0 (0x105D0000) */ +#define MUX_SEL_TOP00 0x0200 +#define MUX_SEL_TOP01 0x0204 +#define MUX_SEL_TOP03 0x020C +#define MUX_SEL_TOP0_PERIC3 0x023C +#define DIV_TOP03 0x060C +#define DIV_TOP0_PERIC3 0x063C +#define ENABLE_SCLK_TOP0_PERIC3 0x0A3C + +/* List of parent clocks for Muxes in CMU_TOP0 */ +PNAME(mout_bus0_pll_p) = { "fin_pll", "dout_sclk_bus0_pll" }; +PNAME(mout_bus1_pll_p) = { "fin_pll", "dout_sclk_bus1_pll" }; +PNAME(mout_cc_pll_p) = { "fin_pll", "dout_sclk_cc_pll" }; +PNAME(mout_mfc_pll_p) = { "fin_pll", "dout_sclk_mfc_pll" }; + +PNAME(mout_top0_half_bus0_pll_p) = {"mout_top0_bus0_pll", + "ffac_top0_bus0_pll_div2"}; +PNAME(mout_top0_half_bus1_pll_p) = {"mout_top0_bus1_pll", + "ffac_top0_bus1_pll_div2"}; +PNAME(mout_top0_half_cc_pll_p) = {"mout_top0_cc_pll", + "ffac_top0_cc_pll_div2"}; +PNAME(mout_top0_half_mfc_pll_p) = {"mout_top0_mfc_pll", + "ffac_top0_mfc_pll_div2"}; + +PNAME(mout_top0_group1) = {"mout_top0_half_bus0_pll", + "mout_top0_half_bus1_pll", "mout_top0_half_cc_pll", + "mout_top0_half_mfc_pll"}; + +static unsigned long top0_clk_regs[] __initdata = { + MUX_SEL_TOP00, + MUX_SEL_TOP01, + MUX_SEL_TOP03, + MUX_SEL_TOP0_PERIC3, + DIV_TOP03, + DIV_TOP0_PERIC3, + ENABLE_SCLK_TOP0_PERIC3, +}; + +static struct samsung_mux_clock top0_mux_clks[] __initdata = { + MUX(0, "mout_top0_mfc_pll", mout_mfc_pll_p, MUX_SEL_TOP00, 4, 1), + MUX(0, "mout_top0_cc_pll", mout_cc_pll_p, MUX_SEL_TOP00, 8, 1), + MUX(0, "mout_top0_bus1_pll", mout_bus1_pll_p, MUX_SEL_TOP00, 12, 1), + MUX(0, "mout_top0_bus0_pll", mout_bus0_pll_p, MUX_SEL_TOP00, 16, 1), + + MUX(0, "mout_top0_half_mfc_pll", mout_top0_half_mfc_pll_p, + MUX_SEL_TOP01, 4, 1), + MUX(0, "mout_top0_half_cc_pll", mout_top0_half_cc_pll_p, + MUX_SEL_TOP01, 8, 1), + MUX(0, "mout_top0_half_bus1_pll", mout_top0_half_bus1_pll_p, + MUX_SEL_TOP01, 12, 1), + MUX(0, "mout_top0_half_bus0_pll", mout_top0_half_bus0_pll_p, + MUX_SEL_TOP01, 16, 1), + + MUX(0, "mout_aclk_peric1_66", mout_top0_group1, MUX_SEL_TOP03, 12, 2), + MUX(0, "mout_aclk_peric0_66", mout_top0_group1, MUX_SEL_TOP03, 20, 2), + + MUX(0, "mout_sclk_uart3", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 4, 2), + MUX(0, "mout_sclk_uart2", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 8, 2), + MUX(0, "mout_sclk_uart1", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 12, 2), + MUX(0, "mout_sclk_uart0", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 16, 2), +}; + +static struct samsung_div_clock top0_div_clks[] __initdata = { + DIV(DOUT_ACLK_PERIC1, "dout_aclk_peric1_66", "mout_aclk_peric1_66", + DIV_TOP03, 12, 6), + DIV(DOUT_ACLK_PERIC0, "dout_aclk_peric0_66", "mout_aclk_peric0_66", + DIV_TOP03, 20, 6), + + DIV(0, "dout_sclk_uart3", "mout_sclk_uart3", DIV_TOP0_PERIC3, 4, 4), + DIV(0, "dout_sclk_uart2", "mout_sclk_uart2", DIV_TOP0_PERIC3, 8, 4), + DIV(0, "dout_sclk_uart1", "mout_sclk_uart1", DIV_TOP0_PERIC3, 12, 4), + DIV(0, "dout_sclk_uart0", "mout_sclk_uart0", DIV_TOP0_PERIC3, 16, 4), +}; + +static struct samsung_gate_clock top0_gate_clks[] __initdata = { + GATE(CLK_SCLK_UART3, "sclk_uart3", "dout_sclk_uart3", + ENABLE_SCLK_TOP0_PERIC3, 4, 0, 0), + GATE(CLK_SCLK_UART2, "sclk_uart2", "dout_sclk_uart2", + ENABLE_SCLK_TOP0_PERIC3, 8, 0, 0), + GATE(CLK_SCLK_UART1, "sclk_uart1", "dout_sclk_uart1", + ENABLE_SCLK_TOP0_PERIC3, 12, 0, 0), + GATE(CLK_SCLK_UART0, "sclk_uart0", "dout_sclk_uart0", + ENABLE_SCLK_TOP0_PERIC3, 16, 0, 0), +}; + +static struct samsung_fixed_factor_clock top0_fixed_factor_clks[] __initdata = { + FFACTOR(0, "ffac_top0_bus0_pll_div2", "mout_top0_bus0_pll", 1, 2, 0), + FFACTOR(0, "ffac_top0_bus1_pll_div2", "mout_top0_bus1_pll", 1, 2, 0), + FFACTOR(0, "ffac_top0_cc_pll_div2", "mout_top0_cc_pll", 1, 2, 0), + FFACTOR(0, "ffac_top0_mfc_pll_div2", "mout_top0_mfc_pll", 1, 2, 0), +}; + +static struct samsung_cmu_info top0_cmu_info __initdata = { + .mux_clks = top0_mux_clks, + .nr_mux_clks = ARRAY_SIZE(top0_mux_clks), + .div_clks = top0_div_clks, + .nr_div_clks = ARRAY_SIZE(top0_div_clks), + .gate_clks = top0_gate_clks, + .nr_gate_clks = ARRAY_SIZE(top0_gate_clks), + .fixed_factor_clks = top0_fixed_factor_clks, + .nr_fixed_factor_clks = ARRAY_SIZE(top0_fixed_factor_clks), + .nr_clk_ids = TOP0_NR_CLK, + .clk_regs = top0_clk_regs, + .nr_clk_regs = ARRAY_SIZE(top0_clk_regs), +}; + +static void __init exynos7_clk_top0_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &top0_cmu_info); +} + +CLK_OF_DECLARE(exynos7_clk_top0, "samsung,exynos7-clock-top0", + exynos7_clk_top0_init); + +/* Register Offset definitions for CMU_PERIC0 (0x13610000) */ +#define MUX_SEL_PERIC0 0x0200 +#define ENABLE_PCLK_PERIC0 0x0900 +#define ENABLE_SCLK_PERIC0 0x0A00 + +/* List of parent clocks for Muxes in CMU_PERIC0 */ +PNAME(mout_aclk_peric0_66_p) = { "fin_pll", "dout_aclk_peric0_66" }; +PNAME(mout_sclk_uart0_p) = { "fin_pll", "sclk_uart0" }; + +static unsigned long peric0_clk_regs[] __initdata = { + MUX_SEL_PERIC0, + ENABLE_PCLK_PERIC0, + ENABLE_SCLK_PERIC0, +}; + +static struct samsung_mux_clock peric0_mux_clks[] __initdata = { + MUX(0, "mout_aclk_peric0_66_user", mout_aclk_peric0_66_p, + MUX_SEL_PERIC0, 0, 1), + MUX(0, "mout_sclk_uart0_user", mout_sclk_uart0_p, + MUX_SEL_PERIC0, 16, 1), +}; + +static struct samsung_gate_clock peric0_gate_clks[] __initdata = { + GATE(PCLK_UART0, "pclk_uart0", "mout_aclk_peric0_66_user", + ENABLE_PCLK_PERIC0, 16, 0, 0), + + GATE(SCLK_UART0, "sclk_uart0_user", "mout_sclk_uart0_user", + ENABLE_SCLK_PERIC0, 16, 0, 0), +}; + +static struct samsung_cmu_info peric0_cmu_info __initdata = { + .mux_clks = peric0_mux_clks, + .nr_mux_clks = ARRAY_SIZE(peric0_mux_clks), + .gate_clks = peric0_gate_clks, + .nr_gate_clks = ARRAY_SIZE(peric0_gate_clks), + .nr_clk_ids = PERIC0_NR_CLK, + .clk_regs = peric0_clk_regs, + .nr_clk_regs = ARRAY_SIZE(peric0_clk_regs), +}; + +static void __init exynos7_clk_peric0_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &peric0_cmu_info); +} + +/* Register Offset definitions for CMU_PERIC1 (0x14C80000) */ +#define MUX_SEL_PERIC10 0x0200 +#define MUX_SEL_PERIC11 0x0204 +#define ENABLE_PCLK_PERIC1 0x0900 +#define ENABLE_SCLK_PERIC10 0x0A00 + +CLK_OF_DECLARE(exynos7_clk_peric0, "samsung,exynos7-clock-peric0", + exynos7_clk_peric0_init); + +/* List of parent clocks for Muxes in CMU_PERIC1 */ +PNAME(mout_aclk_peric1_66_p) = { "fin_pll", "dout_aclk_peric1_66" }; +PNAME(mout_sclk_uart1_p) = { "fin_pll", "sclk_uart1" }; +PNAME(mout_sclk_uart2_p) = { "fin_pll", "sclk_uart2" }; +PNAME(mout_sclk_uart3_p) = { "fin_pll", "sclk_uart3" }; + +static unsigned long peric1_clk_regs[] __initdata = { + MUX_SEL_PERIC10, + MUX_SEL_PERIC11, + ENABLE_PCLK_PERIC1, + ENABLE_SCLK_PERIC10, +}; + +static struct samsung_mux_clock peric1_mux_clks[] __initdata = { + MUX(0, "mout_aclk_peric1_66_user", mout_aclk_peric1_66_p, + MUX_SEL_PERIC10, 0, 1), + + MUX(0, "mout_sclk_uart1_user", mout_sclk_uart1_p, + MUX_SEL_PERIC11, 20, 1), + MUX(0, "mout_sclk_uart2_user", mout_sclk_uart2_p, + MUX_SEL_PERIC11, 24, 1), + MUX(0, "mout_sclk_uart3_user", mout_sclk_uart3_p, + MUX_SEL_PERIC11, 28, 1), +}; + +static struct samsung_gate_clock peric1_gate_clks[] __initdata = { + GATE(PCLK_UART1, "pclk_uart1", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 9, 0, 0), + GATE(PCLK_UART2, "pclk_uart2", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 10, 0, 0), + GATE(PCLK_UART3, "pclk_uart3", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 11, 0, 0), + + GATE(SCLK_UART1, "sclk_uart1_user", "mout_sclk_uart1_user", + ENABLE_SCLK_PERIC10, 9, 0, 0), + GATE(SCLK_UART2, "sclk_uart2_user", "mout_sclk_uart2_user", + ENABLE_SCLK_PERIC10, 10, 0, 0), + GATE(SCLK_UART3, "sclk_uart3_user", "mout_sclk_uart3_user", + ENABLE_SCLK_PERIC10, 11, 0, 0), +}; + +static struct samsung_cmu_info peric1_cmu_info __initdata = { + .mux_clks = peric1_mux_clks, + .nr_mux_clks = ARRAY_SIZE(peric1_mux_clks), + .gate_clks = peric1_gate_clks, + .nr_gate_clks = ARRAY_SIZE(peric1_gate_clks), + .nr_clk_ids = PERIC1_NR_CLK, + .clk_regs = peric1_clk_regs, + .nr_clk_regs = ARRAY_SIZE(peric1_clk_regs), +}; + +static void __init exynos7_clk_peric1_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &peric1_cmu_info); +} + +CLK_OF_DECLARE(exynos7_clk_peric1, "samsung,exynos7-clock-peric1", + exynos7_clk_peric1_init); + +/* Register Offset definitions for CMU_PERIS (0x10040000) */ +#define MUX_SEL_PERIS 0x0200 +#define ENABLE_PCLK_PERIS_SECURE_CHIPID 0x0910 +#define ENABLE_SCLK_PERIS_SECURE_CHIPID 0x0A10 + +/* List of parent clocks for Muxes in CMU_PERIS */ +PNAME(mout_aclk_peris_66_p) = { "fin_pll", "dout_aclk_peris_66" }; + +static unsigned long peris_clk_regs[] __initdata = { + MUX_SEL_PERIS, + ENABLE_PCLK_PERIS_SECURE_CHIPID, + ENABLE_SCLK_PERIS_SECURE_CHIPID, +}; + +static struct samsung_mux_clock peris_mux_clks[] __initdata = { + MUX(0, "mout_aclk_peris_66_user", + mout_aclk_peris_66_p, MUX_SEL_PERIS, 0, 1), +}; + +static struct samsung_gate_clock peris_gate_clks[] __initdata = { + GATE(PCLK_CHIPID, "pclk_chipid", "mout_aclk_peris_66_user", + ENABLE_PCLK_PERIS_SECURE_CHIPID, 0, 0, 0), + GATE(SCLK_CHIPID, "sclk_chipid", "fin_pll", + ENABLE_SCLK_PERIS_SECURE_CHIPID, 0, 0, 0), +}; + +static struct samsung_cmu_info peris_cmu_info __initdata = { + .mux_clks = peris_mux_clks, + .nr_mux_clks = ARRAY_SIZE(peris_mux_clks), + .gate_clks = peris_gate_clks, + .nr_gate_clks = ARRAY_SIZE(peris_gate_clks), + .nr_clk_ids = PERIS_NR_CLK, + .clk_regs = peris_clk_regs, + .nr_clk_regs = ARRAY_SIZE(peris_clk_regs), +}; + +static void __init exynos7_clk_peris_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &peris_cmu_info); +} + +CLK_OF_DECLARE(exynos7_clk_peris, "samsung,exynos7-clock-peris", + exynos7_clk_peris_init); diff --git a/include/dt-bindings/clock/exynos7-clk.h b/include/dt-bindings/clock/exynos7-clk.h new file mode 100644 index 0000000..7620058 --- /dev/null +++ b/include/dt-bindings/clock/exynos7-clk.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Author: Naveen Krishna Ch <naveenkrishna.ch@xxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _DT_BINDINGS_CLOCK_EXYNOS7_H +#define _DT_BINDINGS_CLOCK_EXYNOS7_H + +/* TOPC */ +#define DOUT_ACLK_PERIS 1 +#define DOUT_SCLK_BUS0_PLL 2 +#define DOUT_SCLK_BUS1_PLL 3 +#define DOUT_SCLK_CC_PLL 4 +#define DOUT_SCLK_MFC_PLL 5 +#define TOPC_NR_CLK 6 + +/* TOP0 */ +#define DOUT_ACLK_PERIC1 1 +#define DOUT_ACLK_PERIC0 2 +#define CLK_SCLK_UART0 3 +#define CLK_SCLK_UART1 4 +#define CLK_SCLK_UART2 5 +#define CLK_SCLK_UART3 6 +#define TOP0_NR_CLK 7 + +/* PERIC0 */ +#define PCLK_UART0 1 +#define SCLK_UART0 2 +#define PERIC0_NR_CLK 3 + +/* PERIC1 */ +#define PCLK_UART1 1 +#define PCLK_UART2 2 +#define PCLK_UART3 3 +#define SCLK_UART1 4 +#define SCLK_UART2 5 +#define SCLK_UART3 6 +#define PERIC1_NR_CLK 7 + +/* PERIS */ +#define PCLK_CHIPID 1 +#define SCLK_CHIPID 2 +#define PERIS_NR_CLK 3 + +#endif /* _DT_BINDINGS_CLOCK_EXYNOS7_H */ -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html