From c55e30eb83f100753f3ed92c10ca3789c68fb8aa Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 16 Aug 2016 17:58:10 +0800 Subject: rk3399: syscon: add support for pmugrf pmugrf is a module like grf which contain some of the iomux registers and other registers. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h index 21edbc2..804c77b 100644 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ b/arch/arm/include/asm/arch-rockchip/clock.h @@ -16,6 +16,7 @@ enum { ROCKCHIP_SYSCON_GRF, ROCKCHIP_SYSCON_SGRF, ROCKCHIP_SYSCON_PMU, + ROCKCHIP_SYSCON_PMUGRF, }; /* Standard Rockchip clock numbers */ diff --git a/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c b/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c index 2d81c55..2cef68b 100644 --- a/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c +++ b/arch/arm/mach-rockchip/rk3399/syscon_rk3399.c @@ -11,6 +11,7 @@ static const struct udevice_id rk3399_syscon_ids[] = { { .compatible = "rockchip,rk3399-grf", .data = ROCKCHIP_SYSCON_GRF }, + { .compatible = "rockchip,rk3399-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF }, }; U_BOOT_DRIVER(syscon_rk3399) = { -- cgit v0.10.2 From a2c08df3813b6b1ab6fd016a9f5b264c634e6813 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 16 Aug 2016 17:58:11 +0800 Subject: pinctrl: add driver for rk3399 This patch add pinctrl driver for rk3399. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3399.h b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h new file mode 100644 index 0000000..d3d1467 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h @@ -0,0 +1,321 @@ +/* + * (C) Copyright 2016 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SOC_ROCKCHIP_RK3399_GRF_H__ +#define __SOC_ROCKCHIP_RK3399_GRF_H__ + +struct rk3399_grf_regs { + u32 reserved[0x800]; + u32 usb3_perf_con0; + u32 usb3_perf_con1; + u32 usb3_perf_con2; + u32 usb3_perf_rd_max_latency_num; + u32 usb3_perf_rd_latency_samp_num; + u32 usb3_perf_rd_latency_acc_num; + u32 usb3_perf_rd_axi_total_byte; + u32 usb3_perf_wr_axi_total_byte; + u32 usb3_perf_working_cnt; + u32 reserved1[0x103]; + u32 usb3otg0_con0; + u32 usb3otg0_con1; + u32 reserved2[2]; + u32 usb3otg1_con0; + u32 usb3otg1_con1; + u32 reserved3[2]; + u32 usb3otg0_status_lat0; + u32 usb3otg0_status_lat1; + u32 usb3otg0_status_cb; + u32 reserved4; + u32 usb3otg1_status_lat0; + u32 usb3otg1_status_lat1; + u32 usb3ogt1_status_cb; + u32 reserved5[0x6e5]; + u32 pcie_perf_con0; + u32 pcie_perf_con1; + u32 pcie_perf_con2; + u32 pcie_perf_rd_max_latency_num; + u32 pcie_perf_rd_latency_samp_num; + u32 pcie_perf_rd_laterncy_acc_num; + u32 pcie_perf_rd_axi_total_byte; + u32 pcie_perf_wr_axi_total_byte; + u32 pcie_perf_working_cnt; + u32 reserved6[0x37]; + u32 usb20_host0_con0; + u32 usb20_host0_con1; + u32 reserved7[2]; + u32 usb20_host1_con0; + u32 usb20_host1_con1; + u32 reserved8[2]; + u32 hsic_con0; + u32 hsic_con1; + u32 reserved9[6]; + u32 grf_usbhost0_status; + u32 grf_usbhost1_Status; + u32 grf_hsic_status; + u32 reserved10[0xc9]; + u32 hsicphy_con0; + u32 reserved11[3]; + u32 usbphy0_ctrl[26]; + u32 reserved12[6]; + u32 usbphy1[26]; + u32 reserved13[0x72f]; + u32 soc_con9; + u32 reserved14[0x0a]; + u32 soc_con20; + u32 soc_con21; + u32 soc_con22; + u32 soc_con23; + u32 soc_con24; + u32 soc_con25; + u32 soc_con26; + u32 reserved15[0xf65]; + u32 cpu_con[4]; + u32 reserved16[0x1c]; + u32 cpu_status[6]; + u32 reserved17[0x1a]; + u32 a53_perf_con[4]; + u32 a53_perf_rd_mon_st; + u32 a53_perf_rd_mon_end; + u32 a53_perf_wr_mon_st; + u32 a53_perf_wr_mon_end; + u32 a53_perf_rd_max_latency_num; + u32 a53_perf_rd_latency_samp_num; + u32 a53_perf_rd_laterncy_acc_num; + u32 a53_perf_rd_axi_total_byte; + u32 a53_perf_wr_axi_total_byte; + u32 a53_perf_working_cnt; + u32 a53_perf_int_status; + u32 reserved18[0x31]; + u32 a72_perf_con[4]; + u32 a72_perf_rd_mon_st; + u32 a72_perf_rd_mon_end; + u32 a72_perf_wr_mon_st; + u32 a72_perf_wr_mon_end; + u32 a72_perf_rd_max_latency_num; + u32 a72_perf_rd_latency_samp_num; + u32 a72_perf_rd_laterncy_acc_num; + u32 a72_perf_rd_axi_total_byte; + u32 a72_perf_wr_axi_total_byte; + u32 a72_perf_working_cnt; + u32 a72_perf_int_status; + u32 reserved19[0x7f6]; + u32 soc_con5; + u32 soc_con6; + u32 reserved20[0x779]; + u32 gpio2a_iomux; + union { + u32 iomux_spi2; + u32 gpio2b_iomux; + }; + union { + u32 gpio2c_iomux; + u32 iomux_spi5; + }; + u32 gpio2d_iomux; + union { + u32 gpio3a_iomux; + u32 iomux_spi0; + }; + u32 gpio3b_iomux; + u32 gpio3c_iomux; + union { + u32 iomux_i2s0; + u32 gpio3d_iomux; + }; + union { + u32 iomux_i2sclk; + u32 gpio4a_iomux; + }; + union { + u32 iomux_sdmmc; + u32 iomux_uart2a; + u32 gpio4b_iomux; + }; + union { + u32 iomux_pwm_0; + u32 iomux_pwm_1; + u32 iomux_uart2b; + u32 iomux_uart2c; + u32 iomux_edp_hotplug; + u32 gpio4c_iomux; + }; + u32 gpio4d_iomux; + u32 reserved21[4]; + u32 gpio2_p[3][4]; + u32 reserved22[4]; + u32 gpio2_sr[3][4]; + u32 reserved23[4]; + u32 gpio2_smt[3][4]; + u32 reserved24[(0xe130 - 0xe0ec)/4 - 1]; + u32 gpio4b_e01; + u32 gpio4b_e2; + u32 reserved24a[(0xe200 - 0xe134)/4 - 1]; + u32 soc_con0; + u32 soc_con1; + u32 soc_con2; + u32 soc_con3; + u32 soc_con4; + u32 soc_con5_pcie; + u32 reserved25; + u32 soc_con7; + u32 soc_con8; + u32 soc_con9_pcie; + u32 reserved26[0x1e]; + u32 soc_status[6]; + u32 reserved27[0x32]; + u32 ddrc0_con0; + u32 ddrc0_con1; + u32 ddrc1_con0; + u32 ddrc1_con1; + u32 reserved28[0xac]; + u32 io_vsel; + u32 saradc_testbit; + u32 tsadc_testbit_l; + u32 tsadc_testbit_h; + u32 reserved29[0x6c]; + u32 chip_id_addr; + u32 reserved30[0x1f]; + u32 fast_boot_addr; + u32 reserved31[0x1df]; + u32 emmccore_con[12]; + u32 reserved32[4]; + u32 emmccore_status[4]; + u32 reserved33[0x1cc]; + u32 emmcphy_con[7]; + u32 reserved34; + u32 emmcphy_status; +}; +check_member(rk3399_grf_regs, emmcphy_status, 0xf7a0); + +struct rk3399_pmugrf_regs { + union { + u32 iomux_pwm_3a; + u32 gpio0a_iomux; + }; + u32 gpio0b_iomux; + u32 reserved0[2]; + union { + u32 spi1_rxd; + u32 tsadc_int; + u32 gpio1a_iomux; + }; + union { + u32 spi1_csclktx; + u32 iomux_pwm_3b; + u32 iomux_i2c0_sda; + u32 gpio1b_iomux; + }; + union { + u32 iomux_pwm_2; + u32 iomux_i2c0_scl; + u32 gpio1c_iomux; + }; + u32 gpio1d_iomux; + u32 reserved1[8]; + u32 gpio0_p[2][4]; + u32 reserved3[8]; + u32 gpio0a_e; + u32 reserved4; + u32 gpio0b_e; + u32 reserved5[5]; + u32 gpio1a_e; + u32 reserved6; + u32 gpio1b_e; + u32 reserved7; + u32 gpio1c_e; + u32 reserved8; + u32 gpio1d_e; + u32 reserved9[0x11]; + u32 gpio0l_sr; + u32 reserved10; + u32 gpio1l_sr; + u32 gpio1h_sr; + u32 reserved11[4]; + u32 gpio0a_smt; + u32 gpio0b_smt; + u32 reserved12[2]; + u32 gpio1a_smt; + u32 gpio1b_smt; + u32 gpio1c_smt; + u32 gpio1d_smt; + u32 reserved13[8]; + u32 gpio0l_he; + u32 reserved14; + u32 gpio1l_he; + u32 gpio1h_he; + u32 reserved15[4]; + u32 soc_con0; + u32 reserved16[9]; + u32 soc_con10; + u32 soc_con11; + u32 reserved17[0x24]; + u32 pmupvtm_con0; + u32 pmupvtm_con1; + u32 pmupvtm_status0; + u32 pmupvtm_status1; + u32 grf_osc_e; + u32 reserved18[0x2b]; + u32 os_reg0; + u32 os_reg1; + u32 os_reg2; + u32 os_reg3; +}; +check_member(rk3399_pmugrf_regs, os_reg3, 0x30c); + +struct rk3399_pmusgrf_regs { + u32 ddr_rgn_con[35]; + u32 reserved[0x1fe5]; + u32 soc_con8; + u32 soc_con9; + u32 soc_con10; + u32 soc_con11; + u32 soc_con12; + u32 soc_con13; + u32 soc_con14; + u32 soc_con15; + u32 reserved1[3]; + u32 soc_con19; + u32 soc_con20; + u32 soc_con21; + u32 soc_con22; + u32 reserved2[0x29]; + u32 perilp_con[9]; + u32 reserved4[7]; + u32 perilp_status; + u32 reserved5[0xfaf]; + u32 soc_con0; + u32 soc_con1; + u32 reserved6[0x3e]; + u32 pmu_con[9]; + u32 reserved7[0x17]; + u32 fast_boot_addr; + u32 reserved8[0x1f]; + u32 efuse_prg_mask; + u32 efuse_read_mask; + u32 reserved9[0x0e]; + u32 pmu_slv_con0; + u32 pmu_slv_con1; + u32 reserved10[0x771]; + u32 soc_con3; + u32 soc_con4; + u32 soc_con5; + u32 soc_con6; + u32 soc_con7; + u32 reserved11[8]; + u32 soc_con16; + u32 soc_con17; + u32 soc_con18; + u32 reserved12[0xdd]; + u32 slv_secure_con0; + u32 slv_secure_con1; + u32 reserved13; + u32 slv_secure_con2; + u32 slv_secure_con3; + u32 slv_secure_con4; +}; +check_member(rk3399_pmusgrf_regs, slv_secure_con4, 0xe3d4); + +#endif /* __SOC_ROCKCHIP_RK3399_GRF_H__ */ diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index f8cfd4b..12be3cf 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -148,6 +148,15 @@ config PINCTRL_AT91PIO4 This option is to enable the AT91 pinctrl driver for AT91 PIO4 controller which is available on SAMA5D2 SoC. +config ROCKCHIP_RK3399_PINCTRL + bool "Rockchip pin control driver" + depends on DM + help + Support pin multiplexing control on Rockchip rk3399 SoCs. The driver + is controlled by a device tree node which contains both the GPIO + definitions and pin control functions for each available multiplex + function. + config PINCTRL_SANDBOX bool "Sandbox pinctrl driver" depends on SANDBOX diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile index 64e9587..805c833 100644 --- a/drivers/pinctrl/rockchip/Makefile +++ b/drivers/pinctrl/rockchip/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_ROCKCHIP_RK3036_PINCTRL) += pinctrl_rk3036.o obj-$(CONFIG_ROCKCHIP_RK3288_PINCTRL) += pinctrl_rk3288.o +obj-$(CONFIG_ROCKCHIP_RK3399_PINCTRL) += pinctrl_rk3399.o diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3399.c b/drivers/pinctrl/rockchip/pinctrl_rk3399.c new file mode 100644 index 0000000..17ea165 --- /dev/null +++ b/drivers/pinctrl/rockchip/pinctrl_rk3399.c @@ -0,0 +1,439 @@ +/* + * (C) Copyright 2016 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +struct rk3399_pinctrl_priv { + struct rk3399_grf_regs *grf; + struct rk3399_pmugrf_regs *pmugrf; +}; + +enum { + /* GRF_GPIO2B_IOMUX */ + GRF_GPIO2B1_SEL_SHIFT = 0, + GRF_GPIO2B1_SEL_MASK = 3 << GRF_GPIO2B1_SEL_SHIFT, + GRF_SPI2TPM_RXD = 1, + GRF_GPIO2B2_SEL_SHIFT = 2, + GRF_GPIO2B2_SEL_MASK = 3 << GRF_GPIO2B2_SEL_SHIFT, + GRF_SPI2TPM_TXD = 1, + GRF_GPIO2B3_SEL_SHIFT = 6, + GRF_GPIO2B3_SEL_MASK = 3 << GRF_GPIO2B3_SEL_SHIFT, + GRF_SPI2TPM_CLK = 1, + GRF_GPIO2B4_SEL_SHIFT = 8, + GRF_GPIO2B4_SEL_MASK = 3 << GRF_GPIO2B4_SEL_SHIFT, + GRF_SPI2TPM_CSN0 = 1, + + /* GRF_GPIO3A_IOMUX */ + GRF_GPIO3A4_SEL_SHIFT = 8, + GRF_GPIO3A4_SEL_MASK = 3 << GRF_GPIO3A4_SEL_SHIFT, + GRF_SPI0NORCODEC_RXD = 2, + GRF_GPIO3A5_SEL_SHIFT = 10, + GRF_GPIO3A5_SEL_MASK = 3 << GRF_GPIO3A5_SEL_SHIFT, + GRF_SPI0NORCODEC_TXD = 2, + GRF_GPIO3A6_SEL_SHIFT = 12, + GRF_GPIO3A6_SEL_MASK = 3 << GRF_GPIO3A6_SEL_SHIFT, + GRF_SPI0NORCODEC_CLK = 2, + GRF_GPIO3A7_SEL_SHIFT = 14, + GRF_GPIO3A7_SEL_MASK = 3 << GRF_GPIO3A7_SEL_SHIFT, + GRF_SPI0NORCODEC_CSN0 = 2, + + /* GRF_GPIO3B_IOMUX */ + GRF_GPIO3B0_SEL_SHIFT = 0, + GRF_GPIO3B0_SEL_MASK = 3 << GRF_GPIO3B0_SEL_SHIFT, + GRF_SPI0NORCODEC_CSN1 = 2, + + /* GRF_GPIO4B_IOMUX */ + GRF_GPIO4B0_SEL_SHIFT = 0, + GRF_GPIO4B0_SEL_MASK = 3 << GRF_GPIO4B0_SEL_SHIFT, + GRF_SDMMC_DATA0 = 1, + GRF_UART2DBGA_SIN = 2, + GRF_GPIO4B1_SEL_SHIFT = 2, + GRF_GPIO4B1_SEL_MASK = 3 << GRF_GPIO4B1_SEL_SHIFT, + GRF_SDMMC_DATA1 = 1, + GRF_UART2DBGA_SOUT = 2, + GRF_GPIO4B2_SEL_SHIFT = 4, + GRF_GPIO4B2_SEL_MASK = 3 << GRF_GPIO4B2_SEL_SHIFT, + GRF_SDMMC_DATA2 = 1, + GRF_GPIO4B3_SEL_SHIFT = 6, + GRF_GPIO4B3_SEL_MASK = 3 << GRF_GPIO4B3_SEL_SHIFT, + GRF_SDMMC_DATA3 = 1, + GRF_GPIO4B4_SEL_SHIFT = 8, + GRF_GPIO4B4_SEL_MASK = 3 << GRF_GPIO4B4_SEL_SHIFT, + GRF_SDMMC_CLKOUT = 1, + GRF_GPIO4B5_SEL_SHIFT = 10, + GRF_GPIO4B5_SEL_MASK = 3 << GRF_GPIO4B5_SEL_SHIFT, + GRF_SDMMC_CMD = 1, + + /* GRF_GPIO4C_IOMUX */ + GRF_GPIO4C2_SEL_SHIFT = 4, + GRF_GPIO4C2_SEL_MASK = 3 << GRF_GPIO4C2_SEL_SHIFT, + GRF_PWM_0 = 1, + GRF_GPIO4C3_SEL_SHIFT = 6, + GRF_GPIO4C3_SEL_MASK = 3 << GRF_GPIO4C3_SEL_SHIFT, + GRF_UART2DGBC_SIN = 1, + GRF_GPIO4C4_SEL_SHIFT = 8, + GRF_GPIO4C4_SEL_MASK = 3 << GRF_GPIO4C4_SEL_SHIFT, + GRF_UART2DBGC_SOUT = 1, + GRF_GPIO4C6_SEL_SHIFT = 12, + GRF_GPIO4C6_SEL_MASK = 3 << GRF_GPIO4C6_SEL_SHIFT, + GRF_PWM_1 = 1, + + /* PMUGRF_GPIO0A_IOMUX */ + PMUGRF_GPIO0A6_SEL_SHIFT = 12, + PMUGRF_GPIO0A6_SEL_MASK = 3 << PMUGRF_GPIO0A6_SEL_SHIFT, + PMUGRF_PWM_3A = 1, + + /* PMUGRF_GPIO1A_IOMUX */ + PMUGRF_GPIO1A7_SEL_SHIFT = 14, + PMUGRF_GPIO1A7_SEL_MASK = 3 << PMUGRF_GPIO1A7_SEL_SHIFT, + PMUGRF_SPI1EC_RXD = 2, + + /* PMUGRF_GPIO1B_IOMUX */ + PMUGRF_GPIO1B0_SEL_SHIFT = 0, + PMUGRF_GPIO1B0_SEL_MASK = 3 << PMUGRF_GPIO1B0_SEL_SHIFT, + PMUGRF_SPI1EC_TXD = 2, + PMUGRF_GPIO1B1_SEL_SHIFT = 2, + PMUGRF_GPIO1B1_SEL_MASK = 3 << PMUGRF_GPIO1B1_SEL_SHIFT, + PMUGRF_SPI1EC_CLK = 2, + PMUGRF_GPIO1B2_SEL_SHIFT = 4, + PMUGRF_GPIO1B2_SEL_MASK = 3 << PMUGRF_GPIO1B2_SEL_SHIFT, + PMUGRF_SPI1EC_CSN0 = 2, + PMUGRF_GPIO1B6_SEL_SHIFT = 12, + PMUGRF_GPIO1B6_SEL_MASK = 3 << PMUGRF_GPIO1B6_SEL_SHIFT, + PMUGRF_PWM_3B = 1, + PMUGRF_GPIO1B7_SEL_SHIFT = 14, + PMUGRF_GPIO1B7_SEL_MASK = 3 << PMUGRF_GPIO1B7_SEL_SHIFT, + PMUGRF_I2C0PMU_SDA = 2, + + /* PMUGRF_GPIO1C_IOMUX */ + PMUGRF_GPIO1C0_SEL_SHIFT = 0, + PMUGRF_GPIO1C0_SEL_MASK = 3 << PMUGRF_GPIO1C0_SEL_SHIFT, + PMUGRF_I2C0PMU_SCL = 2, + PMUGRF_GPIO1C3_SEL_SHIFT = 6, + PMUGRF_GPIO1C3_SEL_MASK = 3 << PMUGRF_GPIO1C3_SEL_SHIFT, + PMUGRF_PWM_2 = 1, + +}; +static void pinctrl_rk3399_pwm_config(struct rk3399_grf_regs *grf, + struct rk3399_pmugrf_regs *pmugrf, int pwm_id) +{ + switch (pwm_id) { + case PERIPH_ID_PWM0: + rk_clrsetreg(&grf->gpio4c_iomux, + GRF_GPIO4C2_SEL_MASK, + GRF_PWM_0 << GRF_GPIO4C2_SEL_SHIFT); + break; + case PERIPH_ID_PWM1: + rk_clrsetreg(&grf->gpio4c_iomux, + GRF_GPIO4C6_SEL_MASK, + GRF_PWM_1 << GRF_GPIO4C6_SEL_SHIFT); + break; + case PERIPH_ID_PWM2: + rk_clrsetreg(&pmugrf->gpio1c_iomux, + PMUGRF_GPIO1C3_SEL_MASK, + PMUGRF_PWM_2 << PMUGRF_GPIO1C3_SEL_SHIFT); + break; + case PERIPH_ID_PWM3: + if (readl(&pmugrf->soc_con0) & (1 << 5)) + rk_clrsetreg(&pmugrf->gpio1b_iomux, + PMUGRF_GPIO1B6_SEL_MASK, + PMUGRF_PWM_3B << PMUGRF_GPIO1B6_SEL_SHIFT); + else + rk_clrsetreg(&pmugrf->gpio0a_iomux, + PMUGRF_GPIO0A6_SEL_MASK, + PMUGRF_PWM_3A << PMUGRF_GPIO0A6_SEL_SHIFT); + break; + default: + debug("pwm id = %d iomux error!\n", pwm_id); + break; + } +} + +static void pinctrl_rk3399_i2c_config(struct rk3399_grf_regs *grf, + struct rk3399_pmugrf_regs *pmugrf, + int i2c_id) +{ + switch (i2c_id) { + case PERIPH_ID_I2C0: + rk_clrsetreg(&pmugrf->gpio1b_iomux, + PMUGRF_GPIO1B7_SEL_MASK, + PMUGRF_I2C0PMU_SDA << PMUGRF_GPIO1B7_SEL_SHIFT); + rk_clrsetreg(&pmugrf->gpio1c_iomux, + PMUGRF_GPIO1C0_SEL_MASK, + PMUGRF_I2C0PMU_SCL << PMUGRF_GPIO1C0_SEL_SHIFT); + break; + case PERIPH_ID_I2C1: + case PERIPH_ID_I2C2: + case PERIPH_ID_I2C3: + case PERIPH_ID_I2C4: + case PERIPH_ID_I2C5: + default: + debug("i2c id = %d iomux error!\n", i2c_id); + break; + } +} + +static void pinctrl_rk3399_lcdc_config(struct rk3399_grf_regs *grf, int lcd_id) +{ + switch (lcd_id) { + case PERIPH_ID_LCDC0: + break; + default: + debug("lcdc id = %d iomux error!\n", lcd_id); + break; + } +} + +static int pinctrl_rk3399_spi_config(struct rk3399_grf_regs *grf, + struct rk3399_pmugrf_regs *pmugrf, + enum periph_id spi_id, int cs) +{ + switch (spi_id) { + case PERIPH_ID_SPI0: + switch (cs) { + case 0: + rk_clrsetreg(&grf->gpio3a_iomux, + GRF_GPIO3A7_SEL_MASK, + GRF_SPI0NORCODEC_CSN0 + << GRF_GPIO3A7_SEL_SHIFT); + break; + case 1: + rk_clrsetreg(&grf->gpio3b_iomux, + GRF_GPIO3B0_SEL_MASK, + GRF_SPI0NORCODEC_CSN1 + << GRF_GPIO3B0_SEL_SHIFT); + break; + default: + goto err; + } + rk_clrsetreg(&grf->gpio3a_iomux, + GRF_GPIO3A4_SEL_MASK | GRF_GPIO3A5_SEL_SHIFT + | GRF_GPIO3A6_SEL_SHIFT, + GRF_SPI0NORCODEC_RXD << GRF_GPIO3A4_SEL_SHIFT + | GRF_SPI0NORCODEC_RXD << GRF_GPIO3A5_SEL_SHIFT + | GRF_SPI0NORCODEC_RXD << GRF_GPIO3A6_SEL_SHIFT); + break; + case PERIPH_ID_SPI1: + if (cs != 0) + goto err; + rk_clrsetreg(&pmugrf->gpio1a_iomux, + PMUGRF_GPIO1A7_SEL_MASK, + PMUGRF_SPI1EC_RXD << PMUGRF_GPIO1A7_SEL_SHIFT); + rk_clrsetreg(&pmugrf->gpio1b_iomux, + PMUGRF_GPIO1B0_SEL_MASK | PMUGRF_GPIO1B1_SEL_MASK + | PMUGRF_GPIO1B2_SEL_MASK, + PMUGRF_SPI1EC_TXD << PMUGRF_GPIO1B0_SEL_SHIFT + | PMUGRF_SPI1EC_CLK << PMUGRF_GPIO1B1_SEL_SHIFT + | PMUGRF_SPI1EC_CSN0 << PMUGRF_GPIO1B2_SEL_SHIFT); + break; + case PERIPH_ID_SPI2: + if (cs != 0) + goto err; + rk_clrsetreg(&grf->gpio2b_iomux, + GRF_GPIO2B1_SEL_MASK | GRF_GPIO2B2_SEL_MASK + | GRF_GPIO2B3_SEL_MASK | GRF_GPIO2B4_SEL_MASK, + GRF_SPI2TPM_RXD << GRF_GPIO2B1_SEL_SHIFT + | GRF_SPI2TPM_TXD << GRF_GPIO2B2_SEL_SHIFT + | GRF_SPI2TPM_CLK << GRF_GPIO2B3_SEL_SHIFT + | GRF_SPI2TPM_CSN0 << GRF_GPIO2B4_SEL_SHIFT); + break; + default: + goto err; + } + + return 0; +err: + debug("rkspi: periph%d cs=%d not supported", spi_id, cs); + return -ENOENT; +} + +static void pinctrl_rk3399_uart_config(struct rk3399_grf_regs *grf, + struct rk3399_pmugrf_regs *pmugrf, + int uart_id) +{ + switch (uart_id) { + case PERIPH_ID_UART2: + /* Using channel-C by default */ + rk_clrsetreg(&grf->gpio4c_iomux, + GRF_GPIO4C3_SEL_MASK, + GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT); + rk_clrsetreg(&grf->gpio4c_iomux, + GRF_GPIO4C4_SEL_MASK, + GRF_UART2DBGC_SOUT << GRF_GPIO4C4_SEL_SHIFT); + break; + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART3: + case PERIPH_ID_UART4: + default: + debug("uart id = %d iomux error!\n", uart_id); + break; + } +} + +static void pinctrl_rk3399_sdmmc_config(struct rk3399_grf_regs *grf, int mmc_id) +{ + switch (mmc_id) { + case PERIPH_ID_EMMC: + break; + case PERIPH_ID_SDCARD: + rk_clrsetreg(&grf->gpio4b_iomux, + GRF_GPIO4B0_SEL_MASK | GRF_GPIO4B1_SEL_MASK + | GRF_GPIO4B2_SEL_MASK | GRF_GPIO4B3_SEL_MASK + | GRF_GPIO4B4_SEL_MASK | GRF_GPIO4B5_SEL_MASK, + GRF_SDMMC_DATA0 << GRF_GPIO4B0_SEL_SHIFT + | GRF_SDMMC_DATA1 << GRF_GPIO4B1_SEL_SHIFT + | GRF_SDMMC_DATA2 << GRF_GPIO4B2_SEL_SHIFT + | GRF_SDMMC_DATA3 << GRF_GPIO4B3_SEL_SHIFT + | GRF_SDMMC_CLKOUT << GRF_GPIO4B4_SEL_SHIFT + | GRF_SDMMC_CMD << GRF_GPIO4B5_SEL_SHIFT); + break; + default: + debug("mmc id = %d iomux error!\n", mmc_id); + break; + } +} + +static int rk3399_pinctrl_request(struct udevice *dev, int func, int flags) +{ + struct rk3399_pinctrl_priv *priv = dev_get_priv(dev); + + debug("%s: func=%x, flags=%x\n", __func__, func, flags); + switch (func) { + case PERIPH_ID_PWM0: + case PERIPH_ID_PWM1: + case PERIPH_ID_PWM2: + case PERIPH_ID_PWM3: + case PERIPH_ID_PWM4: + pinctrl_rk3399_pwm_config(priv->grf, priv->pmugrf, func); + break; + case PERIPH_ID_I2C0: + case PERIPH_ID_I2C1: + case PERIPH_ID_I2C2: + case PERIPH_ID_I2C3: + case PERIPH_ID_I2C4: + case PERIPH_ID_I2C5: + pinctrl_rk3399_i2c_config(priv->grf, priv->pmugrf, func); + break; + case PERIPH_ID_SPI0: + case PERIPH_ID_SPI1: + case PERIPH_ID_SPI2: + pinctrl_rk3399_spi_config(priv->grf, priv->pmugrf, func, flags); + break; + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + case PERIPH_ID_UART3: + case PERIPH_ID_UART4: + pinctrl_rk3399_uart_config(priv->grf, priv->pmugrf, func); + break; + case PERIPH_ID_LCDC0: + case PERIPH_ID_LCDC1: + pinctrl_rk3399_lcdc_config(priv->grf, func); + break; + case PERIPH_ID_SDMMC0: + case PERIPH_ID_SDMMC1: + pinctrl_rk3399_sdmmc_config(priv->grf, func); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int rk3399_pinctrl_get_periph_id(struct udevice *dev, + struct udevice *periph) +{ + u32 cell[3]; + int ret; + + ret = fdtdec_get_int_array(gd->fdt_blob, periph->of_offset, + "interrupts", cell, ARRAY_SIZE(cell)); + if (ret < 0) + return -EINVAL; + + switch (cell[1]) { + case 68: + return PERIPH_ID_SPI0; + case 53: + return PERIPH_ID_SPI1; + case 52: + return PERIPH_ID_SPI2; + case 57: + return PERIPH_ID_I2C0; + case 59: /* Note strange order */ + return PERIPH_ID_I2C1; + case 35: + return PERIPH_ID_I2C2; + case 34: + return PERIPH_ID_I2C3; + case 56: + return PERIPH_ID_I2C4; + case 38: + return PERIPH_ID_I2C5; + case 65: + return PERIPH_ID_SDMMC1; + } + + return -ENOENT; +} + +static int rk3399_pinctrl_set_state_simple(struct udevice *dev, + struct udevice *periph) +{ + int func; + + func = rk3399_pinctrl_get_periph_id(dev, periph); + if (func < 0) + return func; + + return rk3399_pinctrl_request(dev, func, 0); +} + +static struct pinctrl_ops rk3399_pinctrl_ops = { + .set_state_simple = rk3399_pinctrl_set_state_simple, + .request = rk3399_pinctrl_request, + .get_periph_id = rk3399_pinctrl_get_periph_id, +}; + +static int rk3399_pinctrl_probe(struct udevice *dev) +{ + struct rk3399_pinctrl_priv *priv = dev_get_priv(dev); + int ret = 0; + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); + debug("%s: grf=%p, pmugrf=%p\n", __func__, priv->grf, priv->pmugrf); + + return ret; +} + +static const struct udevice_id rk3399_pinctrl_ids[] = { + { .compatible = "rockchip,rk3399-pinctrl" }, + { } +}; + +U_BOOT_DRIVER(pinctrl_rk3399) = { + .name = "rockchip_rk3399_pinctrl", + .id = UCLASS_PINCTRL, + .of_match = rk3399_pinctrl_ids, + .priv_auto_alloc_size = sizeof(struct rk3399_pinctrl_priv), + .ops = &rk3399_pinctrl_ops, + .bind = dm_scan_fdt_dev, + .probe = rk3399_pinctrl_probe, +}; -- cgit v0.10.2 From 824c03332ab54caad051da25624fa8e3201b6d65 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 16 Aug 2016 17:58:12 +0800 Subject: config: evb-rk3399: enable pinctrl driver This patch enable rk3399 pinctrl driver and gpio driver which is sub-node of pinctrl. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig index fbc23ef..6135013 100644 --- a/configs/evb-rk3399_defconfig +++ b/configs/evb-rk3399_defconfig @@ -19,7 +19,9 @@ CONFIG_SYSCON=y CONFIG_CLK=y CONFIG_ROCKCHIP_DWMMC=y CONFIG_ROCKCHIP_SDHCI=y +CONFIG_ROCKCHIP_GPIO=y CONFIG_PINCTRL=y +CONFIG_ROCKCHIP_RK3399_PINCTRL=y CONFIG_RAM=y CONFIG_DEBUG_UART=y CONFIG_DEBUG_UART_BASE=0xFF1A0000 -- cgit v0.10.2 From ad0513828e30210450a43526eccbd98bfd232953 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 16 Aug 2016 17:58:13 +0800 Subject: rk3399: enable the pwm2/3 pinctrl in board init There is no interrupt line for each PWM which used by pinctrl to get the periph_id, so it's not able to enable the default pinctrl setting by pinctrl framework, let's enable it at board_init(). Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c index cb2d97d..d394276 100644 --- a/board/rockchip/evb_rk3399/evb-rk3399.c +++ b/board/rockchip/evb_rk3399/evb-rk3399.c @@ -4,12 +4,41 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include -#include +#include +#include +#include DECLARE_GLOBAL_DATA_PTR; int board_init(void) { + struct udevice *pinctrl; + int ret; + + /* + * The PWM do not have decicated interrupt number in dts and can + * not get periph_id by pinctrl framework, so let's init them here. + * The PWM2 and PWM3 are for pwm regulater. + */ + ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); + if (ret) { + debug("%s: Cannot find pinctrl device\n", __func__); + goto out; + } + + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2); + if (ret) { + debug("%s PWM2 pinctrl init fail!\n", __func__); + goto out; + } + + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3); + if (ret) { + debug("%s PWM3 pinctrl init fail!\n", __func__); + goto out; + } + +out: return 0; } -- cgit v0.10.2 From bd218ab8e4e8b5283f4a94bc96b713b46f6d9f89 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 16 Aug 2016 17:58:14 +0800 Subject: dts: rk3399: add pinctrl for sdmmc This patch add pinctrl for sdcard which may not be initialized before uboot. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/dts/rk3399.dtsi b/arch/arm/dts/rk3399.dtsi index a4c6e27..6d82078 100644 --- a/arch/arm/dts/rk3399.dtsi +++ b/arch/arm/dts/rk3399.dtsi @@ -175,6 +175,8 @@ clocks = <&cru SCLK_SDMMC>, <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>; clock-names = "ciu", "biu", "ciu-drive", "ciu-sample"; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc_clk>; fifo-depth = <0x100>; status = "disabled"; }; @@ -771,6 +773,41 @@ }; }; + sdmmc { + sdmmc_bus1: sdmmc-bus1 { + rockchip,pins = + <4 8 RK_FUNC_1 &pcfg_pull_up>; + }; + + sdmmc_bus4: sdmmc-bus4 { + rockchip,pins = + <4 8 RK_FUNC_1 &pcfg_pull_up>, + <4 9 RK_FUNC_1 &pcfg_pull_up>, + <4 10 RK_FUNC_1 &pcfg_pull_up>, + <4 11 RK_FUNC_1 &pcfg_pull_up>; + }; + + sdmmc_clk: sdmmc-clk { + rockchip,pins = + <4 12 RK_FUNC_1 &pcfg_pull_none>; + }; + + sdmmc_cmd: sdmmc-cmd { + rockchip,pins = + <4 13 RK_FUNC_1 &pcfg_pull_up>; + }; + + sdmmc_cd: sdmcc-cd { + rockchip,pins = + <0 7 RK_FUNC_1 &pcfg_pull_up>; + }; + + sdmmc_wp: sdmmc-wp { + rockchip,pins = + <0 8 RK_FUNC_1 &pcfg_pull_up>; + }; + }; + spdif { spdif_bus: spdif-bus { rockchip,pins = -- cgit v0.10.2 From ce26e8a1ddd55fc09e527f8381d54c35a02364c2 Mon Sep 17 00:00:00 2001 From: Xu Ziyuan Date: Fri, 12 Aug 2016 15:43:48 +0800 Subject: rockchip: use dummy byte only enable OF_PLATDATA Add a condition to determine the rk3288_sdram_channel size. This patch fixes read sdram_channel property failed from DT on rk3288 boards, which not enable OF_PLATDATA. Signed-off-by: Ziyuan Xu diff --git a/arch/arm/include/asm/arch-rockchip/sdram.h b/arch/arm/include/asm/arch-rockchip/sdram.h index e08e28f..82c3d07 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram.h +++ b/arch/arm/include/asm/arch-rockchip/sdram.h @@ -24,12 +24,16 @@ struct rk3288_sdram_channel { u8 row_3_4; u8 cs0_row; u8 cs1_row; +#if CONFIG_IS_ENABLED(OF_PLATDATA) /* * For of-platdata, which would otherwise convert this into two * byte-swapped integers. With a size of 9 bytes, this struct will * appear in of-platdata as a byte array. + * + * If OF_PLATDATA enabled, need to add a dummy byte in dts.(i.e 0xff) */ u8 dummy; +#endif }; struct rk3288_sdram_pctl_timing { -- cgit v0.10.2 From 12406ae247736bb6dfd4a92431caec33ab2a54d7 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 12 Aug 2016 17:57:48 +0800 Subject: rk_pwm: use clock framework API to get module clock This patch use clock API instead of hardcode for get pwm clock. Signed-off-by: Kever Yang Acked-by: Simon Glass Fix printf() to debug() nit: Signed-off-by: Simon Glass diff --git a/drivers/pwm/rk_pwm.c b/drivers/pwm/rk_pwm.c index 2d289a4..d60d55d 100644 --- a/drivers/pwm/rk_pwm.c +++ b/drivers/pwm/rk_pwm.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -13,9 +14,9 @@ #include #include #include -#include #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -23,6 +24,7 @@ DECLARE_GLOBAL_DATA_PTR; struct rk_pwm_priv { struct rk3288_pwm *regs; struct rk3288_grf *grf; + ulong freq; }; static int rk_pwm_set_config(struct udevice *dev, uint channel, uint period_ns, @@ -38,8 +40,8 @@ static int rk_pwm_set_config(struct udevice *dev, uint channel, uint period_ns, RK_PWM_DISABLE, ®s->ctrl); - period = lldiv((uint64_t)(PD_BUS_PCLK_HZ / 1000) * period_ns, 1000000); - duty = lldiv((uint64_t)(PD_BUS_PCLK_HZ / 1000) * duty_ns, 1000000); + period = lldiv((uint64_t)(priv->freq / 1000) * period_ns, 1000000); + duty = lldiv((uint64_t)(priv->freq / 1000) * duty_ns, 1000000); writel(period, ®s->period_hpr); writel(duty, ®s->duty_lpr); @@ -76,9 +78,18 @@ static int rk_pwm_ofdata_to_platdata(struct udevice *dev) static int rk_pwm_probe(struct udevice *dev) { struct rk_pwm_priv *priv = dev_get_priv(dev); + struct clk clk; + int ret = 0; rk_setreg(&priv->grf->soc_con2, 1 << 0); + ret = clk_get_by_index(dev, 0, &clk); + if (ret < 0) { + debug("%s get clock fail!\n", __func__); + return -EINVAL; + } + priv->freq = clk_get_rate(&clk); + return 0; } -- cgit v0.10.2 From e2e4e1453680a0a5e87f3976bf48ebfe02c9e192 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 12 Aug 2016 17:58:02 +0800 Subject: rk_pwm: remove grf setting code from driver We consider the grf setting for pwm controller select as the system operation instead of driver operation, move it to soc init, let's remove it from pwm driver first. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/drivers/pwm/rk_pwm.c b/drivers/pwm/rk_pwm.c index d60d55d..9254f5b 100644 --- a/drivers/pwm/rk_pwm.c +++ b/drivers/pwm/rk_pwm.c @@ -13,17 +13,13 @@ #include #include #include -#include -#include #include -#include #include DECLARE_GLOBAL_DATA_PTR; struct rk_pwm_priv { struct rk3288_pwm *regs; - struct rk3288_grf *grf; ulong freq; }; @@ -64,13 +60,8 @@ static int rk_pwm_set_enable(struct udevice *dev, uint channel, bool enable) static int rk_pwm_ofdata_to_platdata(struct udevice *dev) { struct rk_pwm_priv *priv = dev_get_priv(dev); - struct regmap *map; priv->regs = (struct rk3288_pwm *)dev_get_addr(dev); - map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_GRF); - if (IS_ERR(map)) - return PTR_ERR(map); - priv->grf = regmap_get_range(map, 0); return 0; } @@ -81,8 +72,6 @@ static int rk_pwm_probe(struct udevice *dev) struct clk clk; int ret = 0; - rk_setreg(&priv->grf->soc_con2, 1 << 0); - ret = clk_get_by_index(dev, 0, &clk); if (ret < 0) { debug("%s get clock fail!\n", __func__); -- cgit v0.10.2 From aa89b554b7bcb6b0d1fd1ba6ac39384d93b4b002 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 12 Aug 2016 17:58:12 +0800 Subject: rk3288: add arch_cpu_init for rk3288 We do some SoC level one time setting initialization in arch_cpu_init. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/mach-rockchip/rk3288/Makefile b/arch/arm/mach-rockchip/rk3288/Makefile index 5ec3f0d..b5b28ef 100644 --- a/arch/arm/mach-rockchip/rk3288/Makefile +++ b/arch/arm/mach-rockchip/rk3288/Makefile @@ -5,5 +5,6 @@ # obj-y += clk_rk3288.o +obj-y += rk3288.o obj-y += sdram_rk3288.o obj-y += syscon_rk3288.o diff --git a/arch/arm/mach-rockchip/rk3288/rk3288.c b/arch/arm/mach-rockchip/rk3288/rk3288.c new file mode 100644 index 0000000..92f34bb --- /dev/null +++ b/arch/arm/mach-rockchip/rk3288/rk3288.c @@ -0,0 +1,19 @@ +/* + * Copyright (c) 2016 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include +#include + +#define GRF_SOC_CON2 0x24c + +int arch_cpu_init(void) +{ + /* We do some SoC one time setting here. */ + + /* Use rkpwm by default */ + rk_setreg(GRF_SOC_CON2, 1 << 0); + + return 0; +} -- cgit v0.10.2 From b44566c4ce5ca95264860f78a6ba1d26a5edb5ea Mon Sep 17 00:00:00 2001 From: MengDongyang Date: Wed, 24 Aug 2016 12:02:17 +0800 Subject: usb: xhci-rockchip: add rockchip dwc3 controller driver This patch add support for rockchip dwc3 controller, which corresponding to the two type-C port on rk3399 evb. Only support usb2.0 currently for we have not enable the usb3.0 phy driver and PD(fusb302) driver. Signed-off-by: MengDongyang Signed-off-by: Kever Yang Reviewed-by: Marek Vasut Reviewed-by: Simon Glass diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 55190bb..de25328 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -56,6 +56,7 @@ obj-$(CONFIG_USB_EHCI_ZYNQ) += ehci-zynq.o # xhci obj-$(CONFIG_USB_XHCI_HCD) += xhci.o xhci-mem.o xhci-ring.o obj-$(CONFIG_USB_XHCI_DWC3) += xhci-dwc3.o +obj-$(CONFIG_USB_XHCI_ROCKCHIP) += xhci-rockchip.o obj-$(CONFIG_USB_XHCI_ZYNQMP) += xhci-zynqmp.o obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c new file mode 100644 index 0000000..561bf86 --- /dev/null +++ b/drivers/usb/host/xhci-rockchip.c @@ -0,0 +1,211 @@ +/* + * Copyright (c) 2016 Rockchip, Inc. + * Authors: Daniel Meng + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "xhci.h" + +DECLARE_GLOBAL_DATA_PTR; + +struct rockchip_xhci_platdata { + fdt_addr_t hcd_base; + fdt_addr_t phy_base; + struct gpio_desc vbus_gpio; +}; + +/* + * Contains pointers to register base addresses + * for the usb controller. + */ +struct rockchip_xhci { + struct usb_platdata usb_plat; + struct xhci_ctrl ctrl; + struct xhci_hccr *hcd; + struct dwc3 *dwc3_reg; +}; + +static int xhci_usb_ofdata_to_platdata(struct udevice *dev) +{ + struct rockchip_xhci_platdata *plat = dev_get_platdata(dev); + struct udevice *child; + int ret = 0; + + /* + * Get the base address for XHCI controller from the device node + */ + plat->hcd_base = dev_get_addr(dev); + if (plat->hcd_base == FDT_ADDR_T_NONE) { + debug("Can't get the XHCI register base address\n"); + return -ENXIO; + } + + /* Get the base address for usbphy from the device node */ + for (device_find_first_child(dev, &child); child; + device_find_next_child(&child)) { + if (!of_device_is_compatible(child, "rockchip,rk3399-usb3-phy")) + continue; + plat->phy_base = dev_get_addr(child); + break; + } + + if (plat->phy_base == FDT_ADDR_T_NONE) { + debug("Can't get the usbphy register address\n"); + return -ENXIO; + } + + /* Vbus gpio */ + ret = gpio_request_by_name(dev, "rockchip,vbus-gpio", 0, + &plat->vbus_gpio, GPIOD_IS_OUT); + if (ret) + debug("rockchip,vbus-gpio node missing!"); + + return 0; +} + +/* + * rockchip_dwc3_phy_setup() - Configure USB PHY Interface of DWC3 Core + * @dwc: Pointer to our controller context structure + * @dev: Pointer to ulcass device + */ +static void rockchip_dwc3_phy_setup(struct dwc3 *dwc3_reg, + struct udevice *dev) +{ + u32 reg; + const void *blob = gd->fdt_blob; + u32 utmi_bits; + + /* Set dwc3 usb2 phy config */ + reg = readl(&dwc3_reg->g_usb2phycfg[0]); + + if (fdtdec_get_bool(blob, dev->of_offset, + "snps,dis-enblslpm-quirk")) + reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM; + + utmi_bits = fdtdec_get_int(blob, dev->of_offset, + "snps,phyif-utmi-bits", -1); + if (utmi_bits == 16) { + reg |= DWC3_GUSB2PHYCFG_PHYIF; + reg &= ~DWC3_GUSB2PHYCFG_USBTRDTIM_MASK; + reg |= DWC3_GUSB2PHYCFG_USBTRDTIM_16BIT; + } else if (utmi_bits == 8) { + reg &= ~DWC3_GUSB2PHYCFG_PHYIF; + reg &= ~DWC3_GUSB2PHYCFG_USBTRDTIM_MASK; + reg |= DWC3_GUSB2PHYCFG_USBTRDTIM_8BIT; + } + + if (fdtdec_get_bool(blob, dev->of_offset, + "snps,dis-u2-freeclk-exists-quirk")) + reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS; + + if (fdtdec_get_bool(blob, dev->of_offset, + "snps,dis-u2-susphy-quirk")) + reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + + writel(reg, &dwc3_reg->g_usb2phycfg[0]); +} + +static int rockchip_xhci_core_init(struct rockchip_xhci *rkxhci, + struct udevice *dev) +{ + int ret; + + ret = dwc3_core_init(rkxhci->dwc3_reg); + if (ret) { + debug("failed to initialize core\n"); + return ret; + } + + rockchip_dwc3_phy_setup(rkxhci->dwc3_reg, dev); + + /* We are hard-coding DWC3 core to Host Mode */ + dwc3_set_mode(rkxhci->dwc3_reg, DWC3_GCTL_PRTCAP_HOST); + + return 0; +} + +static int rockchip_xhci_core_exit(struct rockchip_xhci *rkxhci) +{ + return 0; +} + +static int xhci_usb_probe(struct udevice *dev) +{ + struct rockchip_xhci_platdata *plat = dev_get_platdata(dev); + struct rockchip_xhci *ctx = dev_get_priv(dev); + struct xhci_hcor *hcor; + int ret; + + ctx->hcd = (struct xhci_hccr *)plat->hcd_base; + ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET); + hcor = (struct xhci_hcor *)((uint64_t)ctx->hcd + + HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase))); + + /* setup the Vbus gpio here */ + if (dm_gpio_is_valid(&plat->vbus_gpio)) + dm_gpio_set_value(&plat->vbus_gpio, 1); + + ret = rockchip_xhci_core_init(ctx, dev); + if (ret) { + debug("XHCI: failed to initialize controller\n"); + return ret; + } + + return xhci_register(dev, ctx->hcd, hcor); +} + +static int xhci_usb_remove(struct udevice *dev) +{ + struct rockchip_xhci *ctx = dev_get_priv(dev); + int ret; + + ret = xhci_deregister(dev); + if (ret) + return ret; + ret = rockchip_xhci_core_exit(ctx); + if (ret) + return ret; + + return 0; +} + +static const struct udevice_id xhci_usb_ids[] = { + { .compatible = "rockchip,rk3399-xhci" }, + { } +}; + +U_BOOT_DRIVER(usb_xhci) = { + .name = "xhci_rockchip", + .id = UCLASS_USB, + .of_match = xhci_usb_ids, + .ofdata_to_platdata = xhci_usb_ofdata_to_platdata, + .probe = xhci_usb_probe, + .remove = xhci_usb_remove, + .ops = &xhci_usb_ops, + .bind = dm_scan_fdt_dev, + .platdata_auto_alloc_size = sizeof(struct rockchip_xhci_platdata), + .priv_auto_alloc_size = sizeof(struct rockchip_xhci), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; + +static const struct udevice_id usb_phy_ids[] = { + { .compatible = "rockchip,rk3399-usb3-phy" }, + { } +}; + +U_BOOT_DRIVER(usb_phy) = { + .name = "usb_phy_rockchip", + .of_match = usb_phy_ids, +}; diff --git a/include/linux/usb/dwc3.h b/include/linux/usb/dwc3.h index 6d1e365..a027446 100644 --- a/include/linux/usb/dwc3.h +++ b/include/linux/usb/dwc3.h @@ -180,7 +180,21 @@ struct dwc3 { /* offset: 0xC100 */ /* Global USB2 PHY Configuration Register */ #define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31) +#define DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS (1 << 30) +#define DWC3_GUSB2PHYCFG_ENBLSLPM (1 << 8) #define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6) +#define DWC3_GUSB2PHYCFG_PHYIF (1 << 3) + +/* Global USB2 PHY Configuration Mask */ +#define DWC3_GUSB2PHYCFG_USBTRDTIM_MASK (0xf << 10) + +/* Global USB2 PHY Configuration Offset */ +#define DWC3_GUSB2PHYCFG_USBTRDTIM_OFFSET 10 + +#define DWC3_GUSB2PHYCFG_USBTRDTIM_16BIT (0x5 << \ + DWC3_GUSB2PHYCFG_USBTRDTIM_OFFSET) +#define DWC3_GUSB2PHYCFG_USBTRDTIM_8BIT (0x9 << \ + DWC3_GUSB2PHYCFG_USBTRDTIM_OFFSET) /* Global USB3 PIPE Control Register */ #define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31) -- cgit v0.10.2 From 892742df1fd848ad8fcfd8f4f7f20cc3fb0a7db1 Mon Sep 17 00:00:00 2001 From: MengDongyang Date: Wed, 24 Aug 2016 12:02:18 +0800 Subject: rockchip: select DM_USB for rockchip SoC Select DM_USB to compatible with USB DM driver model. Signed-off-by: MengDongyang Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a311215..9b85635 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -896,6 +896,7 @@ config ARCH_ROCKCHIP select DM_SERIAL select DM_SPI select DM_SPI_FLASH + select DM_USB if USB config TARGET_THUNDERX_88XX bool "Support ThunderX 88xx" -- cgit v0.10.2 From f7bb27a577405914d747605f885d839a9c523773 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Wed, 21 Sep 2016 11:35:42 +0800 Subject: usb: host: add Kconfig for USB_XHCI_ROCKCHIP Add a Kconfig for Rockchip xhci controller. Signed-off-by: Kever Yang Acked-by: Marek Vasut diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 42e8a9f..61e13d7 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -21,6 +21,13 @@ config USB_XHCI_DWC3 Say Y or if your system has a Dual Role SuperSpeed USB controller based on the DesignWare USB3 IP Core. +config USB_XHCI_ROCKCHIP + bool "Support for Rockchip on-chip xHCI USB controller" + depends on ARCH_ROCKCHIP + default y + help + Enables support for the on-chip xHCI controller on Rockchip SoCs. + endif # USB_XHCI_HCD config USB_EHCI_HCD -- cgit v0.10.2 From 923e7b44ad9e866b0ca2b783c47d95b98b2c8f07 Mon Sep 17 00:00:00 2001 From: MengDongyang Date: Wed, 24 Aug 2016 12:02:19 +0800 Subject: config: rk3399: add usb related configs This patch to enable configs for usb module - xhci - ehci - usb storage - usb net Signed-off-by: MengDongyang Signed-off-by: Kever Yang Squashed in patch to move to Kconfig: https://patchwork.ozlabs.org/patch/672543/ Signed-off-by: Simon Glass Acked-by: Simon Glass diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig index 6135013..1f6855c 100644 --- a/configs/evb-rk3399_defconfig +++ b/configs/evb-rk3399_defconfig @@ -14,6 +14,7 @@ CONFIG_CMD_EXT2=y CONFIG_CMD_EXT4=y CONFIG_CMD_FAT=y CONFIG_CMD_FS_GENERIC=y +CONFIG_CMD_USB=y CONFIG_REGMAP=y CONFIG_SYSCON=y CONFIG_CLK=y @@ -31,3 +32,9 @@ CONFIG_SYS_NS16550=y CONFIG_SYSRESET=y CONFIG_USE_TINY_PRINTF=y CONFIG_ERRNO_STR=y +CONFIG_USB=y +CONFIG_USB_STORAGE=y +CONFIG_USB_XHCI_HCD=y +CONFIG_USB_XHCI_DWC3=y +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_GENERIC=y diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h index e9626a5..b026122 100644 --- a/include/configs/rk3399_common.h +++ b/include/configs/rk3399_common.h @@ -83,4 +83,16 @@ #endif +/* enable usb config for usb ether */ +#define CONFIG_USB_HOST_ETHER + +#define CONFIG_USB_ETHER_ASIX +#define CONFIG_USB_ETHER_ASIX88179 +#define CONFIG_USB_ETHER_MCS7830 +#define CONFIG_USB_ETHER_SMSC95XX +#define CONFIG_USB_ETHER_RTL8152 + +/* rockchip xhci host driver */ +#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2 + #endif -- cgit v0.10.2 From fa5e2d1689b30a10fa81e250a2279357a627f3e8 Mon Sep 17 00:00:00 2001 From: MengDongyang Date: Wed, 24 Aug 2016 12:02:20 +0800 Subject: dts: rk3399: add dwc3_typec node for rk3399 rk3399 has two dwc3 controller for type-C port, add the dts node and enable them. Signed-off-by: MengDongyang Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts index e92a492..7b49f6f 100644 --- a/arch/arm/dts/rk3399-evb.dts +++ b/arch/arm/dts/rk3399-evb.dts @@ -85,6 +85,10 @@ status = "okay"; }; +&dwc3_typec0 { + status = "okay"; +}; + &usb_host1_ehci { status = "okay"; }; @@ -93,6 +97,10 @@ status = "okay"; }; +&dwc3_typec1 { + status = "okay"; +}; + &pinctrl { pmic { pmic_int_l: pmic-int-l { diff --git a/arch/arm/dts/rk3399.dtsi b/arch/arm/dts/rk3399.dtsi index 6d82078..179860c 100644 --- a/arch/arm/dts/rk3399.dtsi +++ b/arch/arm/dts/rk3399.dtsi @@ -9,6 +9,7 @@ #include #include #include +#define USB_CLASS_HUB 9 / { compatible = "rockchip,rk3399"; @@ -230,6 +231,50 @@ status = "disabled"; }; + dwc3_typec0: usb@fe800000 { + compatible = "rockchip,rk3399-xhci"; + reg = <0x0 0xfe800000 0x0 0x100000>; + status = "disabled"; + rockchip,vbus-gpio = <&gpio1 3 GPIO_ACTIVE_HIGH>; + snps,dis-enblslpm-quirk; + snps,phyif-utmi-bits = <16>; + snps,dis-u2-freeclk-exists-quirk; + snps,dis-u2-susphy-quirk; + + #address-cells = <2>; + #size-cells = <2>; + hub { + compatible = "usb-hub"; + usb,device-class = ; + }; + typec_phy0 { + compatible = "rockchip,rk3399-usb3-phy"; + reg = <0x0 0xff7c0000 0x0 0x40000>; + }; + }; + + dwc3_typec1: usb@fe900000 { + compatible = "rockchip,rk3399-xhci"; + reg = <0x0 0xfe900000 0x0 0x100000>; + status = "disabled"; + rockchip,vbus-gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>; + snps,dis-enblslpm-quirk; + snps,phyif-utmi-bits = <16>; + snps,dis-u2-freeclk-exists-quirk; + snps,dis-u2-susphy-quirk; + + #address-cells = <2>; + #size-cells = <2>; + hub { + compatible = "usb-hub"; + usb,device-class = ; + }; + typec_phy1 { + compatible = "rockchip,rk3399-usb3-phy"; + reg = <0x0 0xff800000 0x0 0x40000>; + }; + }; + gic: interrupt-controller@fee00000 { compatible = "arm,gic-v3"; #interrupt-cells = <3>; -- cgit v0.10.2 From b850d929e0ca000c2cbc544c0eb0fd8a63f1a468 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Wed, 24 Aug 2016 12:02:21 +0800 Subject: dts: rk3399-evb: add regulator-fixed for usb host vbus rk3399 evb using one gpio to enable 5V output for both USB 2.0 host port, let's use fixed regulator for them. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts index 7b49f6f..bd7801b 100644 --- a/arch/arm/dts/rk3399-evb.dts +++ b/arch/arm/dts/rk3399-evb.dts @@ -43,6 +43,12 @@ regulator-always-on; regulator-boot-on; }; + + vcc5v0_host: vcc5v0-host-en { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_host"; + gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>; + }; }; &emmc_phy { -- cgit v0.10.2 From 35627683f82f9b3bc564c838dc26c393a5425c9a Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Wed, 24 Aug 2016 12:02:23 +0800 Subject: config: evb-rk3399: enable fixed regulator This patch enable fixed regulator driver for rk3399 evb. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig index 1f6855c..25e8939 100644 --- a/configs/evb-rk3399_defconfig +++ b/configs/evb-rk3399_defconfig @@ -38,3 +38,5 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_GENERIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y -- cgit v0.10.2 From 05c6e30c57b6c599771c669a80fb127cc9f8d9c3 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Wed, 24 Aug 2016 12:02:22 +0800 Subject: board: evb-rk3399: enable usb 2.0 host vbus power on board_init rk3399 using one gpio control signal for two usb 2.0 host port, it's better to enable the power in board file instead of in usb driver. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c index d394276..2580b38 100644 --- a/board/rockchip/evb_rk3399/evb-rk3399.c +++ b/board/rockchip/evb_rk3399/evb-rk3399.c @@ -7,12 +7,13 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; int board_init(void) { - struct udevice *pinctrl; + struct udevice *pinctrl, *regulator; int ret; /* @@ -38,6 +39,18 @@ int board_init(void) goto out; } + ret = regulator_get_by_platname("vcc5v0_host", ®ulator); + if (ret) { + debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret); + goto out; + } + + ret = regulator_set_enable(regulator, true); + if (ret) { + debug("%s vcc5v0-host-en set fail!\n", __func__); + goto out; + } + out: return 0; } -- cgit v0.10.2 From 5a4a90f6e632448aa60c7fdee575e9d38adfd230 Mon Sep 17 00:00:00 2001 From: Xu Ziyuan Date: Sat, 27 Aug 2016 21:53:14 +0800 Subject: rockchip: rk3288: skip lowlevel_init process lowlevel_init() is never needed for rk3288, so drop it. Signed-off-by: Ziyuan Xu Acked-by: Simon Glass Tested-by: Simon Glass diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c index bec756d..6c36bf9 100644 --- a/arch/arm/mach-rockchip/board.c +++ b/arch/arm/mach-rockchip/board.c @@ -81,10 +81,6 @@ void enable_caches(void) } #endif -void lowlevel_init(void) -{ -} - #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) #include #include diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c index e0d92a6..ae509ff 100644 --- a/arch/arm/mach-rockchip/rk3288-board-spl.c +++ b/arch/arm/mach-rockchip/rk3288-board-spl.c @@ -280,7 +280,3 @@ err: /* No way to report error here */ hang(); } - -void lowlevel_init(void) -{ -} diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h index 21b6082..e8bf987 100644 --- a/include/configs/rk3288_common.h +++ b/include/configs/rk3288_common.h @@ -9,6 +9,7 @@ #include +#define CONFIG_SKIP_LOWLEVEL_INIT_ONLY #define CONFIG_SYS_NO_FLASH #define CONFIG_NR_DRAM_BANKS 1 #define CONFIG_ENV_SIZE 0x2000 -- cgit v0.10.2 From 4a79ececebdaee108a6f18ddb5684e2590fa2de6 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Thu, 1 Sep 2016 10:14:20 +0800 Subject: rk3399: add a empty "sys_proto.h" header file driver/usb/dwc3/gadget.c need a "sys_proto.h" header file, add a empty one to make compile success. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/arch/arm/include/asm/arch-rockchip/sys_proto.h b/arch/arm/include/asm/arch-rockchip/sys_proto.h new file mode 100644 index 0000000..35423e1 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/sys_proto.h @@ -0,0 +1,10 @@ +/* + * (C) Copyright 2016 Rockchip Electronics Co.,Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARCH_SYS_PROTO_H +#define _ASM_ARCH_SYS_PROTO_H + +#endif /* _ASM_ARCH_SYS_PROTO_H */ -- cgit v0.10.2 From 5e79f443550a0aac1a4a118d956a48177972aa51 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 12 Aug 2016 17:47:15 +0800 Subject: clk: rk3399: add pmucru controller support pmucru is a module like cru which is a clock controller manage some PLL and module clocks. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index 0b4ea82..ea0ce2a 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -23,6 +23,10 @@ struct rk3399_clk_priv { ulong rate; }; +struct rk3399_pmuclk_priv { + struct rk3399_pmucru *pmucru; +}; + struct pll_div { u32 refdiv; u32 fbdiv; @@ -95,11 +99,11 @@ enum { /* PMUCRU_CLKSEL_CON2 */ I2C_DIV_CON_MASK = 0x7f, - I2C8_DIV_CON_SHIFT = 8, - I2C0_DIV_CON_SHIFT = 0, + CLK_I2C8_DIV_CON_SHIFT = 8, + CLK_I2C0_DIV_CON_SHIFT = 0, /* PMUCRU_CLKSEL_CON3 */ - I2C4_DIV_CON_SHIFT = 0, + CLK_I2C4_DIV_CON_SHIFT = 0, /* CLKSEL_CON0 */ ACLKM_CORE_L_DIV_CON_SHIFT = 8, @@ -507,6 +511,14 @@ void rk3399_configure_cpu(struct rk3399_cru *cru, (con >> CLK_I2C ##bus## _DIV_CON_SHIFT) & \ I2C_DIV_CON_MASK; +#define I2C_PMUCLK_REG_MASK(bus) \ + (I2C_DIV_CON_MASK << \ + CLK_I2C ##bus## _DIV_CON_SHIFT) + +#define I2C_PMUCLK_REG_VALUE(bus, clk_div) \ + ((clk_div - 1) << \ + CLK_I2C ##bus## _DIV_CON_SHIFT) + static ulong rk3399_i2c_get_clk(struct rk3399_cru *cru, ulong clk_id) { u32 div, con; @@ -754,7 +766,7 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate) break; case DCLK_VOP0: case DCLK_VOP1: - rate = rk3399_vop_set_clk(priv->cru, clk->id, rate); + ret = rk3399_vop_set_clk(priv->cru, clk->id, rate); break; default: return -ENOENT; @@ -830,3 +842,160 @@ U_BOOT_DRIVER(clk_rk3399) = { .bind = rk3399_clk_bind, .probe = rk3399_clk_probe, }; + +static ulong rk3399_i2c_get_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id) +{ + u32 div, con; + + switch (clk_id) { + case SCLK_I2C0_PMU: + con = readl(&pmucru->pmucru_clksel[2]); + div = I2C_CLK_DIV_VALUE(con, 0); + break; + case SCLK_I2C4_PMU: + con = readl(&pmucru->pmucru_clksel[3]); + div = I2C_CLK_DIV_VALUE(con, 4); + break; + case SCLK_I2C8_PMU: + con = readl(&pmucru->pmucru_clksel[2]); + div = I2C_CLK_DIV_VALUE(con, 8); + break; + default: + printf("do not support this i2c bus\n"); + return -EINVAL; + } + + return DIV_TO_RATE(PPLL_HZ, div); +} + +static ulong rk3399_i2c_set_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id, + uint hz) +{ + int src_clk_div; + + src_clk_div = PPLL_HZ / hz; + assert(src_clk_div - 1 < 127); + + switch (clk_id) { + case SCLK_I2C0_PMU: + rk_clrsetreg(&pmucru->pmucru_clksel[2], I2C_PMUCLK_REG_MASK(0), + I2C_PMUCLK_REG_VALUE(0, src_clk_div)); + break; + case SCLK_I2C4_PMU: + rk_clrsetreg(&pmucru->pmucru_clksel[3], I2C_PMUCLK_REG_MASK(4), + I2C_PMUCLK_REG_VALUE(4, src_clk_div)); + break; + case SCLK_I2C8_PMU: + rk_clrsetreg(&pmucru->pmucru_clksel[2], I2C_PMUCLK_REG_MASK(8), + I2C_PMUCLK_REG_VALUE(8, src_clk_div)); + break; + default: + printf("do not support this i2c bus\n"); + return -EINVAL; + } + + return DIV_TO_RATE(PPLL_HZ, src_clk_div); +} + +static ulong rk3399_pwm_get_clk(struct rk3399_pmucru *pmucru) +{ + u32 div, con; + + /* PWM closk rate is same as pclk_pmu */ + con = readl(&pmucru->pmucru_clksel[0]); + div = con & PMU_PCLK_DIV_CON_MASK; + + return DIV_TO_RATE(PPLL_HZ, div); +} + +static ulong rk3399_pmuclk_get_rate(struct clk *clk) +{ + struct rk3399_pmuclk_priv *priv = dev_get_priv(clk->dev); + ulong rate = 0; + + switch (clk->id) { + case PCLK_RKPWM_PMU: + rate = rk3399_pwm_get_clk(priv->pmucru); + break; + case SCLK_I2C0_PMU: + case SCLK_I2C4_PMU: + case SCLK_I2C8_PMU: + rate = rk3399_i2c_get_pmuclk(priv->pmucru, clk->id); + break; + default: + return -ENOENT; + } + + return rate; +} + +static ulong rk3399_pmuclk_set_rate(struct clk *clk, ulong rate) +{ + struct rk3399_pmuclk_priv *priv = dev_get_priv(clk->dev); + ulong ret = 0; + + switch (clk->id) { + case SCLK_I2C0_PMU: + case SCLK_I2C4_PMU: + case SCLK_I2C8_PMU: + ret = rk3399_i2c_set_pmuclk(priv->pmucru, clk->id, rate); + break; + default: + return -ENOENT; + } + + return ret; +} + +static struct clk_ops rk3399_pmuclk_ops = { + .get_rate = rk3399_pmuclk_get_rate, + .set_rate = rk3399_pmuclk_set_rate, +}; + +static void pmuclk_init(struct rk3399_pmucru *pmucru) +{ + u32 pclk_div; + + /* configure pmu pll(ppll) */ + rkclk_set_pll(&pmucru->ppll_con[0], &ppll_init_cfg); + + /* configure pmu pclk */ + pclk_div = PPLL_HZ / PMU_PCLK_HZ - 1; + assert((pclk_div + 1) * PMU_PCLK_HZ == PPLL_HZ && pclk_div < 0x1f); + rk_clrsetreg(&pmucru->pmucru_clksel[0], + PMU_PCLK_DIV_CON_MASK, + pclk_div << PMU_PCLK_DIV_CON_SHIFT); +} + +static int rk3399_pmuclk_probe(struct udevice *dev) +{ + struct rk3399_pmuclk_priv *priv = dev_get_priv(dev); + + pmuclk_init(priv->pmucru); + + return 0; +} + +static int rk3399_pmuclk_ofdata_to_platdata(struct udevice *dev) +{ + struct rk3399_pmuclk_priv *priv = dev_get_priv(dev); + + priv->pmucru = (struct rk3399_pmucru *)dev_get_addr(dev); + + return 0; +} + +static const struct udevice_id rk3399_pmuclk_ids[] = { + { .compatible = "rockchip,rk3399-pmucru" }, + { } +}; + +U_BOOT_DRIVER(pmuclk_rk3399) = { + .name = "pmuclk_rk3399", + .id = UCLASS_CLK, + .of_match = rk3399_pmuclk_ids, + .priv_auto_alloc_size = sizeof(struct rk3399_pmuclk_priv), + .ofdata_to_platdata = rk3399_pmuclk_ofdata_to_platdata, + .ops = &rk3399_pmuclk_ops, + .probe = rk3399_pmuclk_probe, +}; -- cgit v0.10.2 From 4f0b8efa50a543efd407fb8b2e9ad0de49467a15 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 12 Aug 2016 17:57:05 +0800 Subject: clk: rk3288: add PWM clock get rate This patch add clk_get_rate for PWM device. Signed-off-by: Kever Yang Acked-by: Simon Glass diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c index c07203d..bd71a96 100644 --- a/drivers/clk/rockchip/clk_rk3288.c +++ b/drivers/clk/rockchip/clk_rk3288.c @@ -695,6 +695,8 @@ static ulong rk3288_clk_get_rate(struct clk *clk) case PCLK_I2C4: case PCLK_I2C5: return gclk_rate; + case PCLK_PWM: + return PD_BUS_PCLK_HZ; default: return -ENOENT; } -- cgit v0.10.2