From a2c08df3813b6b1ab6fd016a9f5b264c634e6813 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 16 Aug 2016 17:58:11 +0800 Subject: [PATCH] pinctrl: add driver for rk3399 This patch add pinctrl driver for rk3399. Signed-off-by: Kever Yang Acked-by: Simon Glass --- .../include/asm/arch-rockchip/grf_rk3399.h | 321 +++++++++++++ drivers/pinctrl/Kconfig | 9 + drivers/pinctrl/rockchip/Makefile | 1 + drivers/pinctrl/rockchip/pinctrl_rk3399.c | 439 ++++++++++++++++++ 4 files changed, 770 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk3399.h create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk3399.c 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 0000000000..d3d1467ea4 --- /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 f8cfd4bb24..12be3cfe0b 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 64e9587cce..805c833ec9 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 0000000000..17ea165eda --- /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, +}; -- 2.25.1