Allwinner R329 has a CCU that is similar to the H616 one, but it's cut down and have PLLs moved out. Add support for it. Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxxxx> --- drivers/clk/sunxi-ng/Kconfig | 5 + drivers/clk/sunxi-ng/Makefile | 1 + drivers/clk/sunxi-ng/ccu-sun50i-r329.c | 526 ++++++++++++++++++++ drivers/clk/sunxi-ng/ccu-sun50i-r329.h | 32 ++ include/dt-bindings/clock/sun50i-r329-ccu.h | 73 +++ include/dt-bindings/reset/sun50i-r329-ccu.h | 45 ++ 6 files changed, 682 insertions(+) create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-r329.c create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-r329.h create mode 100644 include/dt-bindings/clock/sun50i-r329-ccu.h create mode 100644 include/dt-bindings/reset/sun50i-r329-ccu.h diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index e49b2c2fa5b7..4b32d5f81ea8 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -42,6 +42,11 @@ config SUN50I_H6_R_CCU default ARM64 && ARCH_SUNXI depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST +config SUN50I_R329_CCU + bool "Support for the Allwinner R329 CCU" + default ARM64 && ARCH_SUNXI + depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST + config SUN50I_R329_R_CCU bool "Support for the Allwinner R329 PRCM CCU" default ARM64 && ARCH_SUNXI diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile index db338a2188fd..62f3c5bf331c 100644 --- a/drivers/clk/sunxi-ng/Makefile +++ b/drivers/clk/sunxi-ng/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_SUN50I_A100_R_CCU) += ccu-sun50i-a100-r.o obj-$(CONFIG_SUN50I_H6_CCU) += ccu-sun50i-h6.o obj-$(CONFIG_SUN50I_H616_CCU) += ccu-sun50i-h616.o obj-$(CONFIG_SUN50I_H6_R_CCU) += ccu-sun50i-h6-r.o +obj-$(CONFIG_SUN50I_R329_CCU) += ccu-sun50i-r329.o obj-$(CONFIG_SUN50I_R329_R_CCU) += ccu-sun50i-r329-r.o obj-$(CONFIG_SUN4I_A10_CCU) += ccu-sun4i-a10.o obj-$(CONFIG_SUN5I_CCU) += ccu-sun5i.o diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-r329.c b/drivers/clk/sunxi-ng/ccu-sun50i-r329.c new file mode 100644 index 000000000000..a0b4cfd6e1db --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu-sun50i-r329.c @@ -0,0 +1,526 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Based on the H616 CCU driver, which is: + * Copyright (c) 2020 Arm Ltd. + */ + +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> + +#include "ccu_common.h" +#include "ccu_reset.h" + +#include "ccu_div.h" +#include "ccu_gate.h" +#include "ccu_mp.h" +#include "ccu_mult.h" +#include "ccu_nk.h" +#include "ccu_nkm.h" +#include "ccu_nkmp.h" +#include "ccu_nm.h" + +#include "ccu-sun50i-r329.h" + +/* + * An external divider of PLL-CPUX is controlled here. As it's similar to + * the external divider of PLL-CPUX on previous SoCs (only usable under + * 288MHz}, ignore it. + */ +static const char * const cpux_parents[] = { "osc24M", "osc32k", "iosc", + "pll-cpux", "pll-periph", + "pll-periph-2x", + "pll=periph-800m" }; +static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, + 0x500, 24, 3, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); +static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x500, 0, 2, 0); +static SUNXI_CCU_M(cpux_apb_clk, "cpux-apb", "cpux", 0x500, 8, 2, 0); + +static const char * const ahb_parents[] = { "osc24M", "osc32k", + "iosc", "pll-periph" }; +static SUNXI_CCU_MP_WITH_MUX(ahb_clk, "ahb", + ahb_parents, 0x510, + 0, 2, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + 0); + +static const char * const apb_parents[] = { "osc24M", "osc32k", + "ahb", "pll-periph" }; +static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", apb_parents, 0x520, + 0, 2, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + 0); + +static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb_parents, 0x524, + 0, 2, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + 0); + +static const char * const ce_parents[] = { "osc24M", "pll-periph-2x" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x680, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "ahb", + 0x68c, BIT(0), 0); + +static const char * const aipu_parents[] = { "pll-periph-2x", "pll-periph-800m", + "pll-audio0-div2", "pll-audio0-div5", + "pll-cpux" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(aipu_clk, "aipu", aipu_parents, 0x6f0, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_aipu_clk, "bus-aipu", "ahb", + 0x6fc, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb", + 0x70c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb", + 0x71c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb", + 0x72c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb", + 0x73c, BIT(0), 0); + +static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x740, BIT(31), 0); + +static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "ahb", + 0x78c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_pwm_clk, "bus-pwm", "apb1", 0x7ac, BIT(0), 0); + +static const char * const dram_parents[] = { "pll-periph-2x", + "pll-periph-800m", + "pll-audio0-div2", + "pll-audio0-div5" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(dram_clk, "dram", dram_parents, 0x800, + 0, 2, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + CLK_IS_CRITICAL); + + +static SUNXI_CCU_GATE(mbus_dma_clk, "mbus-dma", "dram", + 0x804, BIT(0), 0); +static SUNXI_CCU_GATE(mbus_ce_clk, "mbus-ce", "dram", + 0x804, BIT(2), 0); +static SUNXI_CCU_GATE(mbus_r_dma_clk, "mbus-r-dma", "dram", + 0x804, BIT(3), 0); +static SUNXI_CCU_GATE(mbus_nand_clk, "mbus-nand", "dram", + 0x804, BIT(5), 0); +static SUNXI_CCU_GATE(mbus_aipu_clk, "mbus-aipu", "dram", + 0x804, BIT(16), 0); + +static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb", + 0x80c, BIT(0), CLK_IS_CRITICAL); + +static const char * const nand_parents[] = { "osc24M", "pll-periph", + "pll-audio-div2", + "pll-periph-2x" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_clk, "nand0", nand_parents, 0x810, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_clk, "nand1", nand_parents, 0x814, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb", 0x82c, BIT(0), 0); + +static const char * const mmc_parents[] = { "osc24M", "pll-periph", + "pll-periph-2x", + "pll-audio0-div2" }; +static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents, 0x830, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 2, /* post-div */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 2, /* post-div */ + 0); + +static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb", 0x84c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb", 0x84c, BIT(1), 0); + +static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x90c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x90c, BIT(1), 0); +static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 0x90c, BIT(2), 0); +static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 0x90c, BIT(3), 0); + +static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x91c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x91c, BIT(1), 0); + +static SUNXI_CCU_GATE(bus_scr_clk, "bus-scr", "apb2", 0x93c, BIT(0), 0); + +static const char * const spi_parents[] = { "osc24M", "pll-periph", + "pll-periph-2x", + "pll-audio0-div2", + "pll-audio0-div5" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", spi_parents, 0x940, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", spi_parents, 0x944, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb", 0x96c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb", 0x96c, BIT(1), 0); + +static CLK_FIXED_FACTOR(emac_25m_div_clk, "emac-25m-div", "pll-periph", + 2, 1, 0); +static SUNXI_CCU_GATE(emac_25m_clk, "emac-25m", "emac-25m-div", 0x970, + BIT(31) | BIT(30), 0); + +static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb", 0x97c, BIT(0), 0); + +static const char * const ir_parents[] = { "osc32k", "iosc", + "pll-periph", "pll-audio0-div2" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ir_rx_clk, "ir-rx", ir_parents, 0x990, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ir_rx_clk, "bus-ir-rx", "apb1", 0x99c, BIT(0), 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(ir_tx_clk, "ir-tx", ir_parents, 0x9c0, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ir_tx_clk, "bus-ir-tx", "apb1", 0x9cc, BIT(0), 0); + +static const char * const audio_parents[] = { "pll-audio1", + "pll-audio1-4x", + "pll-audio0-div2", + "pll-audio0-div5" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(i2s0_clk, "i2s0", audio_parents, 0xa10, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(i2s1_clk, "i2s1", audio_parents, 0xa14, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 0xa20, BIT(0), 0); +static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 0xa20, BIT(1), 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(spdif_clk, "spdif", audio_parents, 0xa20, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 0xa2c, BIT(0), 0); + +/* + * There are OHCI 12M clock source selection bits for 2 USB 2.0 ports. + * We will force them to 0 (12M divided from 48M). + */ +#define SUN50I_R329_USB0_CLK_REG 0xa70 +#define SUN50I_R329_USB1_CLK_REG 0xa74 + +static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 0xa70, BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", 0xa70, BIT(29), 0); + +static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc12M", 0xa74, BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M", 0xa74, BIT(29), 0); + +static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb", 0xa8c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb", 0xa8c, BIT(1), 0); +static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb", 0xa8c, BIT(4), 0); +static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb", 0xa8c, BIT(8), 0); + +static const char * const ledc_parents[] = { "osc24M", "pll-periph" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ledc_clk, "ledc", ledc_parents, 0xbf0, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ledc_clk, "bus-ledc", "apb1", 0xbfc, BIT(0), 0); + +/* Fixed factor clocks */ +static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0); + +static struct ccu_common *sun50i_r329_ccu_clks[] = { + &cpux_clk.common, + &axi_clk.common, + &cpux_apb_clk.common, + &ahb_clk.common, + &apb1_clk.common, + &apb2_clk.common, + &ce_clk.common, + &bus_ce_clk.common, + &aipu_clk.common, + &bus_aipu_clk.common, + &bus_dma_clk.common, + &bus_msgbox_clk.common, + &bus_spinlock_clk.common, + &bus_hstimer_clk.common, + &avs_clk.common, + &bus_dbg_clk.common, + &bus_pwm_clk.common, + &dram_clk.common, + &mbus_dma_clk.common, + &mbus_ce_clk.common, + &mbus_r_dma_clk.common, + &mbus_nand_clk.common, + &mbus_aipu_clk.common, + &bus_dram_clk.common, + &nand0_clk.common, + &nand1_clk.common, + &bus_nand_clk.common, + &mmc0_clk.common, + &mmc1_clk.common, + &bus_mmc0_clk.common, + &bus_mmc1_clk.common, + &bus_uart0_clk.common, + &bus_uart1_clk.common, + &bus_uart2_clk.common, + &bus_uart3_clk.common, + &bus_i2c0_clk.common, + &bus_i2c1_clk.common, + &bus_scr_clk.common, + &spi0_clk.common, + &spi1_clk.common, + &bus_spi0_clk.common, + &bus_spi1_clk.common, + &emac_25m_clk.common, + &bus_emac_clk.common, + &ir_rx_clk.common, + &bus_ir_rx_clk.common, + &ir_tx_clk.common, + &bus_ir_tx_clk.common, + &i2s0_clk.common, + &i2s1_clk.common, + &bus_i2s0_clk.common, + &bus_i2s1_clk.common, + &spdif_clk.common, + &bus_spdif_clk.common, + &usb_ohci0_clk.common, + &usb_phy0_clk.common, + &usb_ohci1_clk.common, + &usb_phy1_clk.common, + &bus_ohci0_clk.common, + &bus_ohci1_clk.common, + &bus_ehci0_clk.common, + &bus_otg_clk.common, + &ledc_clk.common, + &bus_ledc_clk.common, +}; + +static struct clk_hw_onecell_data sun50i_r329_hw_clks = { + .hws = { + [CLK_OSC12M] = &osc12M_clk.hw, + [CLK_CPUX] = &cpux_clk.common.hw, + [CLK_AXI] = &axi_clk.common.hw, + [CLK_CPUX_APB] = &cpux_apb_clk.common.hw, + [CLK_AHB] = &ahb_clk.common.hw, + [CLK_APB1] = &apb1_clk.common.hw, + [CLK_APB2] = &apb2_clk.common.hw, + [CLK_CE] = &ce_clk.common.hw, + [CLK_BUS_CE] = &bus_ce_clk.common.hw, + [CLK_AIPU] = &aipu_clk.common.hw, + [CLK_BUS_AIPU] = &bus_aipu_clk.common.hw, + [CLK_BUS_DMA] = &bus_dma_clk.common.hw, + [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw, + [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw, + [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw, + [CLK_AVS] = &avs_clk.common.hw, + [CLK_BUS_DBG] = &bus_dbg_clk.common.hw, + [CLK_BUS_PWM] = &bus_pwm_clk.common.hw, + [CLK_DRAM] = &dram_clk.common.hw, + [CLK_MBUS_DMA] = &mbus_dma_clk.common.hw, + [CLK_MBUS_CE] = &mbus_ce_clk.common.hw, + [CLK_MBUS_R_DMA] = &mbus_r_dma_clk.common.hw, + [CLK_MBUS_NAND] = &mbus_nand_clk.common.hw, + [CLK_MBUS_AIPU] = &mbus_aipu_clk.common.hw, + [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, + [CLK_NAND0] = &nand0_clk.common.hw, + [CLK_NAND1] = &nand1_clk.common.hw, + [CLK_BUS_NAND] = &bus_nand_clk.common.hw, + [CLK_MMC0] = &mmc0_clk.common.hw, + [CLK_MMC1] = &mmc1_clk.common.hw, + [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, + [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, + [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, + [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, + [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, + [CLK_BUS_UART3] = &bus_uart3_clk.common.hw, + [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, + [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, + [CLK_BUS_SCR] = &bus_scr_clk.common.hw, + [CLK_SPI0] = &spi0_clk.common.hw, + [CLK_SPI1] = &spi1_clk.common.hw, + [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, + [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, + [CLK_EMAC_25M_DIV] = &emac_25m_div_clk.hw, + [CLK_EMAC_25M] = &emac_25m_clk.common.hw, + [CLK_BUS_EMAC] = &bus_emac_clk.common.hw, + [CLK_IR_RX] = &ir_rx_clk.common.hw, + [CLK_BUS_IR_RX] = &bus_ir_rx_clk.common.hw, + [CLK_IR_TX] = &ir_tx_clk.common.hw, + [CLK_BUS_IR_TX] = &bus_ir_tx_clk.common.hw, + [CLK_I2S0] = &i2s0_clk.common.hw, + [CLK_I2S1] = &i2s1_clk.common.hw, + [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, + [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw, + [CLK_SPDIF] = &spdif_clk.common.hw, + [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, + [CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw, + [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, + [CLK_USB_OHCI1] = &usb_ohci1_clk.common.hw, + [CLK_USB_PHY1] = &usb_phy1_clk.common.hw, + [CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw, + [CLK_BUS_OHCI1] = &bus_ohci1_clk.common.hw, + [CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw, + [CLK_BUS_OTG] = &bus_otg_clk.common.hw, + [CLK_LEDC] = &ledc_clk.common.hw, + [CLK_BUS_LEDC] = &bus_ledc_clk.common.hw, + }, + .num = CLK_NUMBER, +}; + +static struct ccu_reset_map sun50i_r329_ccu_resets[] = { + [RST_MBUS] = { 0x540, BIT(30) }, + + [RST_BUS_CE] = { 0x68c, BIT(16) }, + [RST_BUS_AIPU] = { 0x6fc, BIT(16) }, + [RST_BUS_DMA] = { 0x70c, BIT(16) }, + [RST_BUS_MSGBOX] = { 0x71c, BIT(16) }, + [RST_BUS_SPINLOCK] = { 0x72c, BIT(16) }, + [RST_BUS_HSTIMER] = { 0x73c, BIT(16) }, + [RST_BUS_DBG] = { 0x78c, BIT(16) }, + [RST_BUS_PWM] = { 0x7ac, BIT(16) }, + [RST_BUS_DRAM] = { 0x80c, BIT(16) }, + [RST_BUS_NAND] = { 0x82c, BIT(16) }, + [RST_BUS_MMC0] = { 0x84c, BIT(16) }, + [RST_BUS_MMC1] = { 0x84c, BIT(17) }, + [RST_BUS_UART0] = { 0x90c, BIT(16) }, + [RST_BUS_UART1] = { 0x90c, BIT(17) }, + [RST_BUS_UART2] = { 0x90c, BIT(18) }, + [RST_BUS_UART3] = { 0x90c, BIT(19) }, + [RST_BUS_I2C0] = { 0x91c, BIT(16) }, + [RST_BUS_I2C1] = { 0x91c, BIT(17) }, + [RST_BUS_SCR] = { 0x93c, BIT(16) }, + [RST_BUS_SPI0] = { 0x96c, BIT(16) }, + [RST_BUS_SPI1] = { 0x96c, BIT(17) }, + [RST_BUS_EMAC] = { 0x97c, BIT(16) }, + [RST_BUS_IR_RX] = { 0x99c, BIT(16) }, + [RST_BUS_IR_TX] = { 0x9cc, BIT(16) }, + [RST_BUS_I2S0] = { 0xa1c, BIT(16) }, + [RST_BUS_I2S1] = { 0xa1c, BIT(17) }, + [RST_BUS_SPDIF] = { 0xa2c, BIT(16) }, + + [RST_USB_PHY0] = { 0xa70, BIT(30) }, + [RST_USB_PHY1] = { 0xa74, BIT(30) }, + + [RST_BUS_OHCI0] = { 0xa8c, BIT(16) }, + [RST_BUS_OHCI1] = { 0xa8c, BIT(17) }, + [RST_BUS_EHCI0] = { 0xa8c, BIT(20) }, + [RST_BUS_OTG] = { 0xa8c, BIT(24) }, + + [RST_BUS_LEDC] = { 0xbfc, BIT(16) }, +}; + +static const struct sunxi_ccu_desc sun50i_r329_ccu_desc = { + .ccu_clks = sun50i_r329_ccu_clks, + .num_ccu_clks = ARRAY_SIZE(sun50i_r329_ccu_clks), + + .hw_clks = &sun50i_r329_hw_clks, + + .resets = sun50i_r329_ccu_resets, + .num_resets = ARRAY_SIZE(sun50i_r329_ccu_resets), +}; + +static const u32 sun50i_r329_usb_clk_regs[] = { + SUN50I_R329_USB0_CLK_REG, + SUN50I_R329_USB1_CLK_REG, +}; + +static int sun50i_r329_ccu_probe(struct platform_device *pdev) +{ + void __iomem *reg; + u32 val; + int i; + + reg = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(reg)) + return PTR_ERR(reg); + + /* + * Force OHCI 12M clock sources to 00 (12MHz divided from 48MHz) + * + * This clock mux is still mysterious, and the code just enforces + * it to have a valid clock parent. + */ + for (i = 0; i < ARRAY_SIZE(sun50i_r329_usb_clk_regs); i++) { + val = readl(reg + sun50i_r329_usb_clk_regs[i]); + val &= ~GENMASK(25, 24); + writel(val, reg + sun50i_r329_usb_clk_regs[i]); + } + + return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_r329_ccu_desc); +} + +static const struct of_device_id sun50i_r329_ccu_ids[] = { + { .compatible = "allwinner,sun50i-r329-ccu" }, + { } +}; + +static struct platform_driver sun50i_r329_ccu_driver = { + .probe = sun50i_r329_ccu_probe, + .driver = { + .name = "sun50i-r329-ccu", + .of_match_table = sun50i_r329_ccu_ids, + }, +}; +module_platform_driver(sun50i_r329_ccu_driver); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-r329.h b/drivers/clk/sunxi-ng/ccu-sun50i-r329.h new file mode 100644 index 000000000000..144ac9954ef3 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu-sun50i-r329.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 Sipeed + */ + +#ifndef _CCU_SUN50I_R329_H_ +#define _CCU_SUN50I_R329_H_ + +#include <dt-bindings/clock/sun50i-r329-ccu.h> +#include <dt-bindings/reset/sun50i-r329-ccu.h> + +#define CLK_OSC12M 0 + +/* CPUX exported for DVFS */ + +#define CLK_AXI 2 +#define CLK_CPUX_APB 3 +#define CLK_AHB 4 + +/* APB1 exported for PIO */ + +#define CLK_APB2 6 + +/* Peripheral module and gate clock exported except for DRAM ones */ + +#define CLK_DRAM 18 + +#define CLK_BUS_DRAM 24 + +#define CLK_NUMBER (CLK_BUS_LEDC + 1) + +#endif /* _CCU_SUN50I_R329_H_ */ diff --git a/include/dt-bindings/clock/sun50i-r329-ccu.h b/include/dt-bindings/clock/sun50i-r329-ccu.h new file mode 100644 index 000000000000..116f8d13a9b3 --- /dev/null +++ b/include/dt-bindings/clock/sun50i-r329-ccu.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 Sipeed + */ + +#ifndef _DT_BINDINGS_CLK_SUN50I_R329_CCU_H_ +#define _DT_BINDINGS_CLK_SUN50I_R329_CCU_H_ + +#define CLK_CPUX 1 + +#define CLK_APB1 5 + +#define CLK_CE 7 +#define CLK_BUS_CE 8 +#define CLK_AIPU 9 +#define CLK_BUS_AIPU 10 +#define CLK_BUS_DMA 11 +#define CLK_BUS_MSGBOX 12 +#define CLK_BUS_SPINLOCK 13 +#define CLK_BUS_HSTIMER 14 +#define CLK_AVS 15 +#define CLK_BUS_DBG 16 +#define CLK_BUS_PWM 17 + +#define CLK_MBUS_DMA 19 +#define CLK_MBUS_CE 20 +#define CLK_MBUS_R_DMA 21 +#define CLK_MBUS_NAND 22 +#define CLK_MBUS_AIPU 23 + +#define CLK_NAND0 25 +#define CLK_NAND1 26 +#define CLK_BUS_NAND 27 +#define CLK_MMC0 28 +#define CLK_MMC1 29 +#define CLK_BUS_MMC0 30 +#define CLK_BUS_MMC1 31 +#define CLK_BUS_UART0 32 +#define CLK_BUS_UART1 33 +#define CLK_BUS_UART2 34 +#define CLK_BUS_UART3 35 +#define CLK_BUS_I2C0 36 +#define CLK_BUS_I2C1 37 +#define CLK_BUS_SCR 38 +#define CLK_SPI0 39 +#define CLK_SPI1 40 +#define CLK_BUS_SPI0 41 +#define CLK_BUS_SPI1 42 +#define CLK_EMAC_25M_DIV 43 +#define CLK_EMAC_25M 44 +#define CLK_BUS_EMAC 45 +#define CLK_IR_RX 46 +#define CLK_BUS_IR_RX 47 +#define CLK_IR_TX 48 +#define CLK_BUS_IR_TX 49 +#define CLK_I2S0 50 +#define CLK_I2S1 51 +#define CLK_BUS_I2S0 52 +#define CLK_BUS_I2S1 53 +#define CLK_SPDIF 54 +#define CLK_BUS_SPDIF 55 +#define CLK_USB_OHCI0 56 +#define CLK_USB_PHY0 57 +#define CLK_USB_OHCI1 58 +#define CLK_USB_PHY1 59 +#define CLK_BUS_OHCI0 60 +#define CLK_BUS_OHCI1 61 +#define CLK_BUS_EHCI0 62 +#define CLK_BUS_OTG 63 +#define CLK_LEDC 64 +#define CLK_BUS_LEDC 65 + +#endif /* _DT_BINDINGS_CLK_SUN50I_R329_CCU_H_ */ diff --git a/include/dt-bindings/reset/sun50i-r329-ccu.h b/include/dt-bindings/reset/sun50i-r329-ccu.h new file mode 100644 index 000000000000..bb704a82443f --- /dev/null +++ b/include/dt-bindings/reset/sun50i-r329-ccu.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ +/* + * Copyright (c) 2021 Sipeed + */ + +#ifndef _DT_BINDINGS_RST_SUN50I_R329_CCU_H_ +#define _DT_BINDINGS_RST_SUN50I_R329_CCU_H_ + +#define RST_MBUS 0 +#define RST_BUS_CE 1 +#define RST_BUS_AIPU 2 +#define RST_BUS_DMA 3 +#define RST_BUS_MSGBOX 4 +#define RST_BUS_SPINLOCK 5 +#define RST_BUS_HSTIMER 6 +#define RST_BUS_DBG 7 +#define RST_BUS_PWM 8 +#define RST_BUS_DRAM 9 +#define RST_BUS_NAND 10 +#define RST_BUS_MMC0 11 +#define RST_BUS_MMC1 12 +#define RST_BUS_UART0 13 +#define RST_BUS_UART1 14 +#define RST_BUS_UART2 15 +#define RST_BUS_UART3 16 +#define RST_BUS_I2C0 17 +#define RST_BUS_I2C1 18 +#define RST_BUS_SCR 19 +#define RST_BUS_SPI0 20 +#define RST_BUS_SPI1 21 +#define RST_BUS_EMAC 22 +#define RST_BUS_IR_RX 23 +#define RST_BUS_IR_TX 24 +#define RST_BUS_I2S0 25 +#define RST_BUS_I2S1 26 +#define RST_BUS_SPDIF 27 +#define RST_USB_PHY0 28 +#define RST_USB_PHY1 29 +#define RST_BUS_OHCI0 30 +#define RST_BUS_OHCI1 31 +#define RST_BUS_EHCI0 32 +#define RST_BUS_OTG 33 +#define RST_BUS_LEDC 34 + +#endif /* _DT_BINDINGS_RST_SUN50I_R329_CCU_H_ */ -- 2.30.2