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rockchip: rk3128: add pinctrl driver

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Add rk3128 pinctrl driver and grf/iomux structure definition.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
master
Kever Yang 7 years ago committed by Philipp Tomsich
parent 9246d9e541
commit e129c480e4
4 changed files with 750 additions and 2 deletions
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  1. 551
      arch/arm/include/asm/arch-rockchip/grf_rk3128.h
  2. 10
      drivers/pinctrl/Kconfig
  3. 4
      drivers/pinctrl/rockchip/Makefile
  4. 187
      drivers/pinctrl/rockchip/pinctrl_rk3128.c

551
arch/arm/include/asm/arch-rockchip/grf_rk3128.h
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/*
* (C) Copyright 2017 Rockchip Electronics Co., Ltd
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_ARCH_GRF_RK3128_H
#define _ASM_ARCH_GRF_RK3128_H
#include <common.h>
struct rk3128_grf {
unsigned int reserved[0x2a];
unsigned int gpio0a_iomux;
unsigned int gpio0b_iomux;
unsigned int gpio0c_iomux;
unsigned int gpio0d_iomux;
unsigned int gpio1a_iomux;
unsigned int gpio1b_iomux;
unsigned int gpio1c_iomux;
unsigned int gpio1d_iomux;
unsigned int gpio2a_iomux;
unsigned int gpio2b_iomux;
unsigned int gpio2c_iomux;
unsigned int gpio2d_iomux;
unsigned int gpio3a_iomux;
unsigned int gpio3b_iomux;
unsigned int gpio3c_iomux;
unsigned int gpio3d_iomux;
unsigned int gpio2c_iomux2;
unsigned int grf_cif_iomux;
unsigned int grf_cif_iomux1;
unsigned int reserved1[(0x118 - 0xf0) / 4 - 1];
unsigned int gpio0l_pull;
unsigned int gpio0h_pull;
unsigned int gpio1l_pull;
unsigned int gpio1h_pull;
unsigned int gpio2l_pull;
unsigned int gpio2h_pull;
unsigned int gpio3l_pull;
unsigned int gpio3h_pull;
unsigned int reserved2;
unsigned int soc_con0;
unsigned int soc_con1;
unsigned int soc_con2;
unsigned int soc_status0;
unsigned int reserved3[6];
unsigned int mac_con0;
unsigned int mac_con1;
unsigned int reserved4[4];
unsigned int uoc0_con0;
unsigned int reserved5;
unsigned int uoc1_con1;
unsigned int uoc1_con2;
unsigned int uoc1_con3;
unsigned int uoc1_con4;
unsigned int uoc1_con5;
unsigned int reserved6;
unsigned int ddrc_stat;
unsigned int reserved9;
unsigned int soc_status1;
unsigned int cpu_con0;
unsigned int cpu_con1;
unsigned int cpu_con2;
unsigned int cpu_con3;
unsigned int reserved10;
unsigned int reserved11;
unsigned int cpu_status0;
unsigned int cpu_status1;
unsigned int os_reg[8];
unsigned int reserved12[(0x280 - 0x1e4) / 4 - 1];
unsigned int usbphy0_con[8];
unsigned int usbphy1_con[8];
unsigned int uoc_status0;
unsigned int reserved13[(0x300 - 0x2c0) / 4 - 1];
unsigned int chip_tag;
unsigned int sdmmc_det_cnt;
};
check_member(rk3128_grf, sdmmc_det_cnt, 0x304);
struct rk3128_pmu {
unsigned int wakeup_cfg;
unsigned int pwrdn_con;
unsigned int pwrdn_st;
unsigned int idle_req;
unsigned int idle_st;
unsigned int pwrmode_con;
unsigned int pwr_state;
unsigned int osc_cnt;
unsigned int core_pwrdwn_cnt;
unsigned int core_pwrup_cnt;
unsigned int sft_con;
unsigned int ddr_sref_st;
unsigned int int_con;
unsigned int int_st;
unsigned int sys_reg[4];
};
check_member(rk3128_pmu, int_st, 0x34);
/* GRF_GPIO0A_IOMUX */
enum {
GPIO0A7_SHIFT = 14,
GPIO0A7_MASK = 3 << GPIO0A7_SHIFT,
GPIO0A7_GPIO = 0,
GPIO0A7_I2C3_SDA,
GPIO0A6_SHIFT = 12,
GPIO0A6_MASK = 3 << GPIO0A6_SHIFT,
GPIO0A6_GPIO = 0,
GPIO0A6_I2C3_SCL,
GPIO0A3_SHIFT = 6,
GPIO0A3_MASK = 3 << GPIO0A3_SHIFT,
GPIO0A3_GPIO = 0,
GPIO0A3_I2C1_SDA,
GPIO0A2_SHIFT = 4,
GPIO0A2_MASK = 1 << GPIO0A2_SHIFT,
GPIO0A2_GPIO = 0,
GPIO0A2_I2C1_SCL,
GPIO0A1_SHIFT = 2,
GPIO0A1_MASK = 1 << GPIO0A1_SHIFT,
GPIO0A1_GPIO = 0,
GPIO0A1_I2C0_SDA,
GPIO0A0_SHIFT = 0,
GPIO0A0_MASK = 1 << GPIO0A0_SHIFT,
GPIO0A0_GPIO = 0,
GPIO0A0_I2C0_SCL,
};
/* GRF_GPIO0B_IOMUX */
enum {
GPIO0B6_SHIFT = 12,
GPIO0B6_MASK = 3 << GPIO0B6_SHIFT,
GPIO0B6_GPIO = 0,
GPIO0B6_I2S_SDI,
GPIO0B6_SPI_CSN0,
GPIO0B5_SHIFT = 10,
GPIO0B5_MASK = 3 << GPIO0B5_SHIFT,
GPIO0B5_GPIO = 0,
GPIO0B5_I2S_SDO,
GPIO0B5_SPI_RXD,
GPIO0B4_SHIFT = 8,
GPIO0B4_MASK = 1 << GPIO0B4_SHIFT,
GPIO0B4_GPIO = 0,
GPIO0B4_I2S_LRCKTX,
GPIO0B3_SHIFT = 6,
GPIO0B3_MASK = 3 << GPIO0B3_SHIFT,
GPIO0B3_GPIO = 0,
GPIO0B3_I2S_LRCKRX,
GPIO0B3_SPI_TXD,
GPIO0B1_SHIFT = 2,
GPIO0B1_MASK = 3,
GPIO0B1_GPIO = 0,
GPIO0B1_I2S_SCLK,
GPIO0B1_SPI_CLK,
GPIO0B0_SHIFT = 0,
GPIO0B0_MASK = 3,
GPIO0B0_GPIO = 0,
GPIO0B0_I2S1_MCLK,
};
/* GRF_GPIO0D_IOMUX */
enum {
GPIO0D4_SHIFT = 8,
GPIO0D4_MASK = 1 << GPIO0D4_SHIFT,
GPIO0D4_GPIO = 0,
GPIO0D4_PWM2,
GPIO0D3_SHIFT = 6,
GPIO0D3_MASK = 1 << GPIO0D3_SHIFT,
GPIO0D3_GPIO = 0,
GPIO0D3_PWM1,
GPIO0D2_SHIFT = 4,
GPIO0D2_MASK = 1 << GPIO0D2_SHIFT,
GPIO0D2_GPIO = 0,
GPIO0D2_PWM0,
GPIO0D1_SHIFT = 2,
GPIO0D1_MASK = 1 << GPIO0D1_SHIFT,
GPIO0D1_GPIO = 0,
GPIO0D1_UART2_CTSN,
GPIO0D0_SHIFT = 0,
GPIO0D0_MASK = 3 << GPIO0D0_SHIFT,
GPIO0D0_GPIO = 0,
GPIO0D0_UART2_RTSN,
GPIO0D0_PMIC_SLEEP,
};
/* GRF_GPIO1A_IOMUX */
enum {
GPIO1A5_SHIFT = 10,
GPIO1A5_MASK = 3 << GPIO1A5_SHIFT,
GPIO1A5_GPIO = 0,
GPIO1A5_I2S_SDI,
GPIO1A5_SDMMC_DATA3,
GPIO1A4_SHIFT = 8,
GPIO1A4_MASK = 3 << GPIO1A4_SHIFT,
GPIO1A4_GPIO = 0,
GPIO1A4_I2S_SD0,
GPIO1A4_SDMMC_DATA2,
GPIO1A3_SHIFT = 6,
GPIO1A3_MASK = 1 << GPIO1A3_SHIFT,
GPIO1A3_GPIO = 0,
GPIO1A3_I2S_LRCKTX,
GPIO1A2_SHIFT = 4,
GPIO1A2_MASK = 3 << GPIO1A2_SHIFT,
GPIO1A2_GPIO = 0,
GPIO1A2_I2S_LRCKRX,
GPIO1A2_SDMMC_DATA1,
GPIO1A1_SHIFT = 2,
GPIO1A1_MASK = 3 << GPIO1A1_SHIFT,
GPIO1A1_GPIO = 0,
GPIO1A1_I2S_SCLK,
GPIO1A1_SDMMC_DATA0,
GPIO1A1_PMIC_SLEEP,
GPIO1A0_SHIFT = 0,
GPIO1A0_MASK = 3,
GPIO1A0_GPIO = 0,
GPIO1A0_I2S_MCLK,
GPIO1A0_SDMMC_CLKOUT,
GPIO1A0_XIN32K,
};
/* GRF_GPIO1B_IOMUX */
enum {
GPIO1B7_SHIFT = 14,
GPIO1B7_MASK = 1 << GPIO1B7_SHIFT,
GPIO1B7_GPIO = 0,
GPIO1B7_MMC0_CMD,
GPIO1B6_SHIFT = 12,
GPIO1B6_MASK = 1 << GPIO1B6_SHIFT,
GPIO1B6_GPIO = 0,
GPIO1B6_MMC_PWREN,
GPIO1B2_SHIFT = 4,
GPIO1B2_MASK = 3 << GPIO1B2_SHIFT,
GPIO1B2_GPIO = 0,
GPIO1B2_SPI_RXD,
GPIO1B2_UART1_SIN,
GPIO1B1_SHIFT = 2,
GPIO1B1_MASK = 3 << GPIO1B1_SHIFT,
GPIO1B1_GPIO = 0,
GPIO1B1_SPI_TXD,
GPIO1B1_UART1_SOUT,
GPIO1B0_SHIFT = 0,
GPIO1B0_MASK = 3 << GPIO1B0_SHIFT,
GPIO1B0_GPIO = 0,
GPIO1B0_SPI_CLK,
GPIO1B0_UART1_CTSN
};
/* GRF_GPIO1C_IOMUX */
enum {
GPIO1C6_SHIFT = 12,
GPIO1C6_MASK = 3 << GPIO1C6_SHIFT,
GPIO1C6_GPIO = 0,
GPIO1C6_NAND_CS2,
GPIO1C6_EMMC_CMD,
GPIO1C5_SHIFT = 10,
GPIO1C5_MASK = 3 << GPIO1C5_SHIFT,
GPIO1C5_GPIO = 0,
GPIO1C5_MMC0_D3,
GPIO1C5_JTAG_TMS,
GPIO1C4_SHIFT = 8,
GPIO1C4_MASK = 3 << GPIO1C4_SHIFT,
GPIO1C4_GPIO = 0,
GPIO1C4_MMC0_D2,
GPIO1C4_JTAG_TCK,
GPIO1C3_SHIFT = 6,
GPIO1C3_MASK = 3 << GPIO1C3_SHIFT,
GPIO1C3_GPIO = 0,
GPIO1C3_MMC0_D1,
GPIO1C3_UART2_RX,
GPIO1C2_SHIFT = 4,
GPIO1C2_MASK = 3 << GPIO1C2_SHIFT,
GPIO1C2_GPIO = 0,
GPIO1C2_MMC0_D0,
GPIO1C2_UART2_TX,
GPIO1C1_SHIFT = 2,
GPIO1C1_MASK = 1 << GPIO1C1_SHIFT,
GPIO1C1_GPIO = 0,
GPIO1C1_MMC0_DETN,
GPIO1C0_SHIFT = 0,
GPIO1C0_MASK = 1 << GPIO1C0_SHIFT,
GPIO1C0_GPIO = 0,
GPIO1C0_MMC0_CLKOUT,
};
/* GRF_GPIO1D_IOMUX */
enum {
GPIO1D7_SHIFT = 14,
GPIO1D7_MASK = 3 << GPIO1D7_SHIFT,
GPIO1D7_GPIO = 0,
GPIO1D7_NAND_D7,
GPIO1D7_EMMC_D7,
GPIO1D7_SPI_CSN1,
GPIO1D6_SHIFT = 12,
GPIO1D6_MASK = 3 << GPIO1D6_SHIFT,
GPIO1D6_GPIO = 0,
GPIO1D6_NAND_D6,
GPIO1D6_EMMC_D6,
GPIO1D6_SPI_CSN0,
GPIO1D5_SHIFT = 10,
GPIO1D5_MASK = 3 << GPIO1D5_SHIFT,
GPIO1D5_GPIO = 0,
GPIO1D5_NAND_D5,
GPIO1D5_EMMC_D5,
GPIO1D5_SPI_TXD1,
GPIO1D4_SHIFT = 8,
GPIO1D4_MASK = 3 << GPIO1D4_SHIFT,
GPIO1D4_GPIO = 0,
GPIO1D4_NAND_D4,
GPIO1D4_EMMC_D4,
GPIO1D4_SPI_RXD1,
GPIO1D3_SHIFT = 6,
GPIO1D3_MASK = 3 << GPIO1D3_SHIFT,
GPIO1D3_GPIO = 0,
GPIO1D3_NAND_D3,
GPIO1D3_EMMC_D3,
GPIO1D3_SFC_SIO3,
GPIO1D2_SHIFT = 4,
GPIO1D2_MASK = 3 << GPIO1D2_SHIFT,
GPIO1D2_GPIO = 0,
GPIO1D2_NAND_D2,
GPIO1D2_EMMC_D2,
GPIO1D2_SFC_SIO2,
GPIO1D1_SHIFT = 2,
GPIO1D1_MASK = 3 << GPIO1D1_SHIFT,
GPIO1D1_GPIO = 0,
GPIO1D1_NAND_D1,
GPIO1D1_EMMC_D1,
GPIO1D1_SFC_SIO1,
GPIO1D0_SHIFT = 0,
GPIO1D0_MASK = 3 << GPIO1D0_SHIFT,
GPIO1D0_GPIO = 0,
GPIO1D0_NAND_D0,
GPIO1D0_EMMC_D0,
GPIO1D0_SFC_SIO0,
};
/* GRF_GPIO2A_IOMUX */
enum {
GPIO2A7_SHIFT = 14,
GPIO2A7_MASK = 3 << GPIO2A7_SHIFT,
GPIO2A7_GPIO = 0,
GPIO2A7_NAND_DQS,
GPIO2A7_EMMC_CLKOUT,
GPIO2A6_SHIFT = 12,
GPIO2A6_MASK = 1 << GPIO2A6_SHIFT,
GPIO2A6_GPIO = 0,
GPIO2A6_NAND_CS0,
GPIO2A5_SHIFT = 10,
GPIO2A5_MASK = 3 << GPIO2A5_SHIFT,
GPIO2A5_GPIO = 0,
GPIO2A5_NAND_WP,
GPIO2A5_EMMC_PWREN,
GPIO2A4_SHIFT = 8,
GPIO2A4_MASK = 3 << GPIO2A4_SHIFT,
GPIO2A4_GPIO = 0,
GPIO2A4_NAND_RDY,
GPIO2A4_EMMC_CMD,
GPIO2A3_SFC_CLK,
GPIO2A3_SHIFT = 6,
GPIO2A3_MASK = 3 << GPIO2A3_SHIFT,
GPIO2A3_GPIO = 0,
GPIO2A3_NAND_RDN,
GPIO2A4_SFC_CSN1,
GPIO2A2_SHIFT = 4,
GPIO2A2_MASK = 3 << GPIO2A2_SHIFT,
GPIO2A2_GPIO = 0,
GPIO2A2_NAND_WRN,
GPIO2A4_SFC_CSN0,
GPIO2A1_SHIFT = 2,
GPIO2A1_MASK = 3 << GPIO2A1_SHIFT,
GPIO2A1_GPIO = 0,
GPIO2A1_NAND_CLE,
GPIO2A1_EMMC_CLKOUT,
GPIO2A0_SHIFT = 0,
GPIO2A0_MASK = 3 << GPIO2A0_SHIFT,
GPIO2A0_GPIO = 0,
GPIO2A0_NAND_ALE,
GPIO2A0_SPI_CLK,
};
/* GRF_GPIO2B_IOMUX */
enum {
GPIO2B7_SHIFT = 14,
GPIO2B7_MASK = 3 << GPIO2B7_SHIFT,
GPIO2B7_GPIO = 0,
GPIO2B7_LCDC0_D13,
GPIO2B7_EBC_SDCE5,
GPIO2B7_GMAC_RXER,
GPIO2B6_SHIFT = 12,
GPIO2B6_MASK = 3 << GPIO2B6_SHIFT,
GPIO2B6_GPIO = 0,
GPIO2B6_LCDC0_D12,
GPIO2B6_EBC_SDCE4,
GPIO2B6_GMAC_CLK,
GPIO2B5_SHIFT = 10,
GPIO2B5_MASK = 3 << GPIO2B5_SHIFT,
GPIO2B5_GPIO = 0,
GPIO2B5_LCDC0_D11,
GPIO2B5_EBC_SDCE3,
GPIO2B5_GMAC_TXEN,
GPIO2B4_SHIFT = 8,
GPIO2B4_MASK = 3 << GPIO2B4_SHIFT,
GPIO2B4_GPIO = 0,
GPIO2B4_LCDC0_D10,
GPIO2B4_EBC_SDCE2,
GPIO2B4_GMAC_MDIO,
GPIO2B3_SHIFT = 6,
GPIO2B3_MASK = 3 << GPIO2B3_SHIFT,
GPIO2B3_GPIO = 0,
GPIO2B3_LCDC0_DEN,
GPIO2B3_EBC_GDCLK,
GPIO2B3_GMAC_RXCLK,
GPIO2B2_SHIFT = 4,
GPIO2B2_MASK = 3 << GPIO2B2_SHIFT,
GPIO2B2_GPIO = 0,
GPIO2B2_LCDC0_VSYNC,
GPIO2B2_EBC_SDOE,
GPIO2B2_GMAC_CRS,
GPIO2B1_SHIFT = 2,
GPIO2B1_MASK = 3 << GPIO2B1_SHIFT,
GPIO2B1_GPIO = 0,
GPIO2B1_LCDC0_HSYNC,
GPIO2B1_EBC_SDLE,
GPIO2B1_GMAC_TXCLK,
GPIO2B0_SHIFT = 0,
GPIO2B0_MASK = 3 << GPIO2B0_SHIFT,
GPIO2B0_GPIO = 0,
GPIO2B0_LCDC0_DCLK,
GPIO2B0_EBC_SDCLK,
GPIO2B0_GMAC_RXDV,
};
/* GRF_GPIO2C_IOMUX */
enum {
GPIO2C3_SHIFT = 6,
GPIO2C3_MASK = 3 << GPIO2C3_SHIFT,
GPIO2C3_GPIO = 0,
GPIO2C3_LCDC0_D17,
GPIO2C3_EBC_GDPWR0,
GPIO2C3_GMAC_TXD0,
GPIO2C2_SHIFT = 4,
GPIO2C2_MASK = 3 << GPIO2C2_SHIFT,
GPIO2C2_GPIO = 0,
GPIO2C2_LCDC0_D16,
GPIO2C2_EBC_GDSP,
GPIO2C2_GMAC_TXD1,
GPIO2C1_SHIFT = 2,
GPIO2C1_MASK = 3 << GPIO2C1_SHIFT,
GPIO2C1_GPIO = 0,
GPIO2C1_LCDC0_D15,
GPIO2C1_EBC_GDOE,
GPIO2C1_GMAC_RXD0,
GPIO2C0_SHIFT = 0,
GPIO2C0_MASK = 3 << GPIO2C0_SHIFT,
GPIO2C0_GPIO = 0,
GPIO2C0_LCDC0_D14,
GPIO2C0_EBC_VCOM,
GPIO2C0_GMAC_RXD1,
};
/* GRF_GPIO2D_IOMUX */
enum {
GPIO2D6_SHIFT = 12,
GPIO2D6_MASK = 3 << GPIO2D6_SHIFT,
GPIO2D6_GPIO = 0,
GPIO2D6_LCDC0_D22,
GPIO2D6_GMAC_COL = 4,
GPIO2D1_SHIFT = 2,
GPIO2D1_MASK = 3 << GPIO2D1_SHIFT,
GPIO2D1_GPIO = 0,
GPIO2D1_GMAC_MDC = 3,
};
/* GRF_GPIO2C_IOMUX2 */
enum {
GPIO2C7_SHIFT = 12,
GPIO2C7_MASK = 7 << GPIO2C7_SHIFT,
GPIO2C7_GPIO = 0,
GPIO2C7_GMAC_TXD3 = 4,
GPIO2C6_SHIFT = 12,
GPIO2C6_MASK = 7 << GPIO2C6_SHIFT,
GPIO2C6_GPIO = 0,
GPIO2C6_GMAC_TXD2 = 4,
GPIO2C5_SHIFT = 4,
GPIO2C5_MASK = 7 << GPIO2C5_SHIFT,
GPIO2C5_GPIO = 0,
GPIO2C5_I2C2_SCL = 3,
GPIO2C5_GMAC_RXD2,
GPIO2C4_SHIFT = 0,
GPIO2C4_MASK = 7 << GPIO2C4_SHIFT,
GPIO2C4_GPIO = 0,
GPIO2C4_I2C2_SDA = 3,
GPIO2C4_GMAC_RXD2,
};
#endif

10
drivers/pinctrl/Kconfig
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@ -168,6 +168,16 @@ config PINCTRL_ROCKCHIP_RK3036
the GPIO definitions and pin control functions for each available
multiplex function.
config PINCTRL_ROCKCHIP_RK3128
bool "Rockchip rk3128 pin control driver"
depends on DM
help
Support pin multiplexing control on Rockchip rk3128 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_ROCKCHIP_RK3188
bool "Rockchip rk3188 pin control driver"
depends on DM

4
drivers/pinctrl/rockchip/Makefile
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@ -1,11 +1,11 @@
#
# Copyright (c) 2015 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
# Copyright (c) 2017 Rockchip Electronics Co., Ltd
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3036) += pinctrl_rk3036.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3128) += pinctrl_rk3128.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3188) += pinctrl_rk3188.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK322X) += pinctrl_rk322x.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3288) += pinctrl_rk3288.o

187
drivers/pinctrl/rockchip/pinctrl_rk3128.c
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/*
* Pinctrl driver for Rockchip 3128 SoCs
* (C) Copyright 2017 Rockchip Electronics Co., Ltd
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <syscon.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/grf_rk3128.h>
#include <asm/arch/hardware.h>
#include <asm/arch/periph.h>
#include <dm/pinctrl.h>
DECLARE_GLOBAL_DATA_PTR;
struct rk3128_pinctrl_priv {
struct rk3128_grf *grf;
};
static void pinctrl_rk3128_i2c_config(struct rk3128_grf *grf, int i2c_id)
{
switch (i2c_id) {
case PERIPH_ID_I2C0:
rk_clrsetreg(&grf->gpio0a_iomux,
GPIO0A1_MASK | GPIO0A0_MASK,
GPIO0A1_I2C0_SDA << GPIO0A1_SHIFT |
GPIO0A0_I2C0_SCL << GPIO0A0_SHIFT);
break;
case PERIPH_ID_I2C1:
rk_clrsetreg(&grf->gpio0a_iomux,
GPIO0A3_MASK | GPIO0A2_MASK,
GPIO0A3_I2C1_SDA << GPIO0A3_SHIFT |
GPIO0A2_I2C1_SCL << GPIO0A2_SHIFT);
break;
case PERIPH_ID_I2C2:
rk_clrsetreg(&grf->gpio2c_iomux2,
GPIO2C5_MASK | GPIO2C4_MASK,
GPIO2C5_I2C2_SCL << GPIO2C5_SHIFT |
GPIO2C4_I2C2_SDA << GPIO2C4_SHIFT);
break;
case PERIPH_ID_I2C3:
rk_clrsetreg(&grf->gpio0a_iomux,
GPIO0A7_MASK | GPIO0A6_MASK,
GPIO0A7_I2C3_SDA << GPIO0A7_SHIFT |
GPIO0A6_I2C3_SCL << GPIO0A6_SHIFT);
break;
}
}
static void pinctrl_rk3128_sdmmc_config(struct rk3128_grf *grf, int mmc_id)
{
switch (mmc_id) {
case PERIPH_ID_EMMC:
rk_clrsetreg(&grf->gpio1d_iomux, 0xffff,
GPIO1D7_EMMC_D7 << GPIO1D7_SHIFT |
GPIO1D6_EMMC_D6 << GPIO1D6_SHIFT |
GPIO1D5_EMMC_D5 << GPIO1D5_SHIFT |
GPIO1D4_EMMC_D4 << GPIO1D4_SHIFT |
GPIO1D3_EMMC_D3 << GPIO1D3_SHIFT |
GPIO1D2_EMMC_D2 << GPIO1D2_SHIFT |
GPIO1D1_EMMC_D1 << GPIO1D1_SHIFT |
GPIO1D0_EMMC_D0 << GPIO1D0_SHIFT);
rk_clrsetreg(&grf->gpio2a_iomux,
GPIO2A5_MASK | GPIO2A7_MASK,
GPIO2A5_EMMC_PWREN << GPIO2A5_SHIFT |
GPIO2A7_EMMC_CLKOUT << GPIO2A7_SHIFT);
break;
case PERIPH_ID_SDCARD:
rk_clrsetreg(&grf->gpio1c_iomux, 0x0fff,
GPIO1C5_MMC0_D3 << GPIO1C5_SHIFT |
GPIO1C4_MMC0_D2 << GPIO1C4_SHIFT |
GPIO1C3_MMC0_D1 << GPIO1C3_SHIFT |
GPIO1C2_MMC0_D0 << GPIO1C2_SHIFT |
GPIO1C1_MMC0_DETN << GPIO1C1_SHIFT |
GPIO1C0_MMC0_CLKOUT << GPIO1C0_SHIFT);
break;
}
}
static int rk3128_pinctrl_request(struct udevice *dev, int func, int flags)
{
struct rk3128_pinctrl_priv *priv = dev_get_priv(dev);
debug("%s: func=%x, flags=%x\n", __func__, func, flags);
switch (func) {
case PERIPH_ID_I2C0:
case PERIPH_ID_I2C1:
case PERIPH_ID_I2C2:
case PERIPH_ID_I2C3:
pinctrl_rk3128_i2c_config(priv->grf, func);
break;
case PERIPH_ID_SDMMC0:
case PERIPH_ID_SDMMC1:
pinctrl_rk3128_sdmmc_config(priv->grf, func);
break;
default:
return -EINVAL;
}
return 0;
}
static int rk3128_pinctrl_get_periph_id(struct udevice *dev,
struct udevice *periph)
{
u32 cell[3];
int ret;
ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(periph),
"interrupts", cell, ARRAY_SIZE(cell));
if (ret < 0)
return -EINVAL;
switch (cell[1]) {
case 14:
return PERIPH_ID_SDCARD;
case 16:
return PERIPH_ID_EMMC;
case 20:
return PERIPH_ID_UART0;
case 21:
return PERIPH_ID_UART1;
case 22:
return PERIPH_ID_UART2;
case 23:
return PERIPH_ID_SPI0;
case 24:
return PERIPH_ID_I2C0;
case 25:
return PERIPH_ID_I2C1;
case 26:
return PERIPH_ID_I2C2;
case 27:
return PERIPH_ID_I2C3;
case 30:
return PERIPH_ID_PWM0;
}
return -ENOENT;
}
static int rk3128_pinctrl_set_state_simple(struct udevice *dev,
struct udevice *periph)
{
int func;
func = rk3128_pinctrl_get_periph_id(dev, periph);
if (func < 0)
return func;
return rk3128_pinctrl_request(dev, func, 0);
}
static struct pinctrl_ops rk3128_pinctrl_ops = {
.set_state_simple = rk3128_pinctrl_set_state_simple,
.request = rk3128_pinctrl_request,
.get_periph_id = rk3128_pinctrl_get_periph_id,
};
static int rk3128_pinctrl_probe(struct udevice *dev)
{
struct rk3128_pinctrl_priv *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
debug("%s: grf=%p\n", __func__, priv->grf);
return 0;
}
static const struct udevice_id rk3128_pinctrl_ids[] = {
{ .compatible = "rockchip,rk3128-pinctrl" },
{ }
};
U_BOOT_DRIVER(pinctrl_rk3128) = {
.name = "pinctrl_rk3128",
.id = UCLASS_PINCTRL,
.of_match = rk3128_pinctrl_ids,
.priv_auto_alloc_size = sizeof(struct rk3128_pinctrl_priv),
.ops = &rk3128_pinctrl_ops,
.bind = dm_scan_fdt_dev,
.probe = rk3128_pinctrl_probe,
};
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