// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
* Author: Andy Yan <andy.yan@rock-chips.com>
*/
#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_rv1108.h>
#include <asm/arch/hardware.h>
#include <asm/arch/periph.h>
#include <dm/pinctrl.h>
struct rv1108_pinctrl_priv {
struct rv1108_grf *grf;
};
/* GRF_GPIO1B_IOMUX */
enum {
GPIO1B7_SHIFT = 14,
GPIO1B7_MASK = 3 << GPIO1B7_SHIFT,
GPIO1B7_GPIO = 0,
GPIO1B7_LCDC_D12,
GPIO1B7_I2S_SDIO2_M0,
GPIO1B7_GMAC_RXDV,
GPIO1B6_SHIFT = 12,
GPIO1B6_MASK = 3 << GPIO1B6_SHIFT,
GPIO1B6_GPIO = 0,
GPIO1B6_LCDC_D13,
GPIO1B6_I2S_LRCLKTX_M0,
GPIO1B6_GMAC_RXD1,
GPIO1B5_SHIFT = 10,
GPIO1B5_MASK = 3 << GPIO1B5_SHIFT,
GPIO1B5_GPIO = 0,
GPIO1B5_LCDC_D14,
GPIO1B5_I2S_SDIO1_M0,
GPIO1B5_GMAC_RXD0,
GPIO1B4_SHIFT = 8,
GPIO1B4_MASK = 3 << GPIO1B4_SHIFT,
GPIO1B4_GPIO = 0,
GPIO1B4_LCDC_D15,
GPIO1B4_I2S_MCLK_M0,
GPIO1B4_GMAC_TXEN,
GPIO1B3_SHIFT = 6,
GPIO1B3_MASK = 3 << GPIO1B3_SHIFT,
GPIO1B3_GPIO = 0,
GPIO1B3_LCDC_D16,
GPIO1B3_I2S_SCLK_M0,
GPIO1B3_GMAC_TXD1,
GPIO1B2_SHIFT = 4,
GPIO1B2_MASK = 3 << GPIO1B2_SHIFT,
GPIO1B2_GPIO = 0,
GPIO1B2_LCDC_D17,
GPIO1B2_I2S_SDIO_M0,
GPIO1B2_GMAC_TXD0,
GPIO1B1_SHIFT = 2,
GPIO1B1_MASK = 3 << GPIO1B1_SHIFT,
GPIO1B1_GPIO = 0,
GPIO1B1_LCDC_D9,
GPIO1B1_PWM7,
GPIO1B0_SHIFT = 0,
GPIO1B0_MASK = 3,
GPIO1B0_GPIO = 0,
GPIO1B0_LCDC_D8,
GPIO1B0_PWM6,
};
/* GRF_GPIO1C_IOMUX */
enum {
GPIO1C7_SHIFT = 14,
GPIO1C7_MASK = 3 << GPIO1C7_SHIFT,
GPIO1C7_GPIO = 0,
GPIO1C7_CIF_D5,
GPIO1C7_I2S_SDIO2_M1,
GPIO1C6_SHIFT = 12,
GPIO1C6_MASK = 3 << GPIO1C6_SHIFT,
GPIO1C6_GPIO = 0,
GPIO1C6_CIF_D4,
GPIO1C6_I2S_LRCLKTX_M1,
GPIO1C5_SHIFT = 10,
GPIO1C5_MASK = 3 << GPIO1C5_SHIFT,
GPIO1C5_GPIO = 0,
GPIO1C5_LCDC_CLK,
GPIO1C5_GMAC_CLK,
GPIO1C4_SHIFT = 8,
GPIO1C4_MASK = 3 << GPIO1C4_SHIFT,
GPIO1C4_GPIO = 0,
GPIO1C4_LCDC_HSYNC,
GPIO1C4_GMAC_MDC,
GPIO1C3_SHIFT = 6,
GPIO1C3_MASK = 3 << GPIO1C3_SHIFT,
GPIO1C3_GPIO = 0,
GPIO1C3_LCDC_VSYNC,
GPIO1C3_GMAC_MDIO,
GPIO1C2_SHIFT = 4,
GPIO1C2_MASK = 3 << GPIO1C2_SHIFT,
GPIO1C2_GPIO = 0,
GPIO1C2_LCDC_EN,
GPIO1C2_I2S_SDIO3_M0,
GPIO1C2_GMAC_RXER,
GPIO1C1_SHIFT = 2,
GPIO1C1_MASK = 3 << GPIO1C1_SHIFT,
GPIO1C1_GPIO = 0,
GPIO1C1_LCDC_D10,
GPIO1C1_I2S_SDI_M0,
GPIO1C1_PWM4,
GPIO1C0_SHIFT = 0,
GPIO1C0_MASK = 3,
GPIO1C0_GPIO = 0,
GPIO1C0_LCDC_D11,
GPIO1C0_I2S_LRCLKRX_M0,
};
/* GRF_GPIO1D_OIMUX */
enum {
GPIO1D7_SHIFT = 14,
GPIO1D7_MASK = 3 << GPIO1D7_SHIFT,
GPIO1D7_GPIO = 0,
GPIO1D7_HDMI_CEC,
GPIO1D7_DSP_RTCK,
GPIO1D6_SHIFT = 12,
GPIO1D6_MASK = 1 << GPIO1D6_SHIFT,
GPIO1D6_GPIO = 0,
GPIO1D6_HDMI_HPD_M0,
GPIO1D5_SHIFT = 10,
GPIO1D5_MASK = 3 << GPIO1D5_SHIFT,
GPIO1D5_GPIO = 0,
GPIO1D5_UART2_RTSN,
GPIO1D5_HDMI_SDA_M0,
GPIO1D4_SHIFT = 8,
GPIO1D4_MASK = 3 << GPIO1D4_SHIFT,
GPIO1D4_GPIO = 0,
GPIO1D4_UART2_CTSN,
GPIO1D4_HDMI_SCL_M0,
GPIO1D3_SHIFT = 6,
GPIO1D3_MASK = 3 << GPIO1D3_SHIFT,
GPIO1D3_GPIO = 0,
GPIO1D3_UART0_SOUT,
GPIO1D3_SPI_TXD_M0,
GPIO1D2_SHIFT = 4,
GPIO1D2_MASK = 3 << GPIO1D2_SHIFT,
GPIO1D2_GPIO = 0,
GPIO1D2_UART0_SIN,
GPIO1D2_SPI_RXD_M0,
GPIO1D2_DSP_TDI,
GPIO1D1_SHIFT = 2,
GPIO1D1_MASK = 3 << GPIO1D1_SHIFT,
GPIO1D1_GPIO = 0,
GPIO1D1_UART0_RTSN,
GPIO1D1_SPI_CSN0_M0,
GPIO1D1_DSP_TMS,
GPIO1D0_SHIFT = 0,
GPIO1D0_MASK = 3,
GPIO1D0_GPIO = 0,
GPIO1D0_UART0_CTSN,
GPIO1D0_SPI_CLK_M0,
GPIO1D0_DSP_TCK,
};
/* GRF_GPIO2A_IOMUX */
enum {
GPIO2A7_SHIFT = 14,
GPIO2A7_MASK = 3 << GPIO2A7_SHIFT,
GPIO2A7_GPIO = 0,
GPIO2A7_FLASH_D7,
GPIO2A7_EMMC_D7,
GPIO2A6_SHIFT = 12,
GPIO2A6_MASK = 3 << GPIO2A6_SHIFT,
GPIO2A6_GPIO = 0,
GPIO2A6_FLASH_D6,
GPIO2A6_EMMC_D6,
GPIO2A5_SHIFT = 10,
GPIO2A5_MASK = 3 << GPIO2A5_SHIFT,
GPIO2A5_GPIO = 0,
GPIO2A5_FLASH_D5,
GPIO2A5_EMMC_D5,
GPIO2A4_SHIFT = 8,
GPIO2A4_MASK = 3 << GPIO2A4_SHIFT,
GPIO2A4_GPIO = 0,
GPIO2A4_FLASH_D4,
GPIO2A4_EMMC_D4,
GPIO2A3_SHIFT = 6,
GPIO2A3_MASK = 3 << GPIO2A3_SHIFT,
GPIO2A3_GPIO = 0,
GPIO2A3_FLASH_D3,
GPIO2A3_EMMC_D3,
GPIO2A3_SFC_HOLD_IO3,
GPIO2A2_SHIFT = 4,
GPIO2A2_MASK = 3 << GPIO2A2_SHIFT,
GPIO2A2_GPIO = 0,
GPIO2A2_FLASH_D2,
GPIO2A2_EMMC_D2,
GPIO2A2_SFC_WP_IO2,
GPIO2A1_SHIFT = 2,
GPIO2A1_MASK = 3 << GPIO2A1_SHIFT,
GPIO2A1_GPIO = 0,
GPIO2A1_FLASH_D1,
GPIO2A1_EMMC_D1,
GPIO2A1_SFC_SO_IO1,
GPIO2A0_SHIFT = 0,
GPIO2A0_MASK = 3 << GPIO2A0_SHIFT,
GPIO2A0_GPIO = 0,
GPIO2A0_FLASH_D0,
GPIO2A0_EMMC_D0,
GPIO2A0_SFC_SI_IO0,
};
/* GRF_GPIO2D_IOMUX */
enum {
GPIO2B7_SHIFT = 14,
GPIO2B7_MASK = 3 << GPIO2B7_SHIFT,
GPIO2B7_GPIO = 0,
GPIO2B7_FLASH_CS1,
GPIO2B7_SFC_CLK,
GPIO2B6_SHIFT = 12,
GPIO2B6_MASK = 1 << GPIO2B6_SHIFT,
GPIO2B6_GPIO = 0,
GPIO2B6_EMMC_CLKO,
GPIO2B5_SHIFT = 10,
GPIO2B5_MASK = 1 << GPIO2B5_SHIFT,
GPIO2B5_GPIO = 0,
GPIO2B5_FLASH_CS0,
GPIO2B4_SHIFT = 8,
GPIO2B4_MASK = 3 << GPIO2B4_SHIFT,
GPIO2B4_GPIO = 0,
GPIO2B4_FLASH_RDY,
GPIO2B4_EMMC_CMD,
GPIO2B4_SFC_CSN0,
GPIO2B3_SHIFT = 6,
GPIO2B3_MASK = 1 << GPIO2B3_SHIFT,
GPIO2B3_GPIO = 0,
GPIO2B3_FLASH_RDN,
GPIO2B2_SHIFT = 4,
GPIO2B2_MASK = 1 << GPIO2B2_SHIFT,
GPIO2B2_GPIO = 0,
GPIO2B2_FLASH_WRN,
GPIO2B1_SHIFT = 2,
GPIO2B1_MASK = 1 << GPIO2B1_SHIFT,
GPIO2B1_GPIO = 0,
GPIO2B1_FLASH_CLE,
GPIO2B0_SHIFT = 0,
GPIO2B0_MASK = 1 << GPIO2B0_SHIFT,
GPIO2B0_GPIO = 0,
GPIO2B0_FLASH_ALE,
};
/* GRF_GPIO2D_IOMUX */
enum {
GPIO2D7_SHIFT = 14,
GPIO2D7_MASK = 1 << GPIO2D7_SHIFT,
GPIO2D7_GPIO = 0,
GPIO2D7_SDIO_D0,
GPIO2D6_SHIFT = 12,
GPIO2D6_MASK = 1 << GPIO2D6_SHIFT,
GPIO2D6_GPIO = 0,
GPIO2D6_SDIO_CMD,
GPIO2D5_SHIFT = 10,
GPIO2D5_MASK = 1 << GPIO2D5_SHIFT,
GPIO2D5_GPIO = 0,
GPIO2D5_SDIO_CLKO,
GPIO2D4_SHIFT = 8,
GPIO2D4_MASK = 1 << GPIO2D4_SHIFT,
GPIO2D4_GPIO = 0,
GPIO2D4_I2C1_SCL,
GPIO2D3_SHIFT = 6,
GPIO2D3_MASK = 1 << GPIO2D3_SHIFT,
GPIO2D3_GPIO = 0,
GPIO2D3_I2C1_SDA,
GPIO2D2_SHIFT = 4,
GPIO2D2_MASK = 3 << GPIO2D2_SHIFT,
GPIO2D2_GPIO = 0,
GPIO2D2_UART2_SOUT_M0,
GPIO2D2_JTAG_TCK,
GPIO2D1_SHIFT = 2,
GPIO2D1_MASK = 3 << GPIO2D1_SHIFT,
GPIO2D1_GPIO = 0,
GPIO2D1_UART2_SIN_M0,
GPIO2D1_JTAG_TMS,
GPIO2D1_DSP_TMS,
GPIO2D0_SHIFT = 0,
GPIO2D0_MASK = 3,
GPIO2D0_GPIO = 0,
GPIO2D0_UART0_CTSN,
GPIO2D0_SPI_CLK_M0,
GPIO2D0_DSP_TCK,
};
/* GRF_GPIO3A_IOMUX */
enum {
GPIO3A7_SHIFT = 14,
GPIO3A7_MASK = 1 << GPIO3A7_SHIFT,
GPIO3A7_GPIO = 0,
GPIO3A6_SHIFT = 12,
GPIO3A6_MASK = 1 << GPIO3A6_SHIFT,
GPIO3A6_GPIO = 0,
GPIO3A6_UART1_SOUT,
GPIO3A5_SHIFT = 10,
GPIO3A5_MASK = 1 << GPIO3A5_SHIFT,
GPIO3A5_GPIO = 0,
GPIO3A5_UART1_SIN,
GPIO3A4_SHIFT = 8,
GPIO3A4_MASK = 1 << GPIO3A4_SHIFT,
GPIO3A4_GPIO = 0,
GPIO3A4_UART1_CTSN,
GPIO3A3_SHIFT = 6,
GPIO3A3_MASK = 1 << GPIO3A3_SHIFT,
GPIO3A3_GPIO = 0,
GPIO3A3_UART1_RTSN,
GPIO3A2_SHIFT = 4,
GPIO3A2_MASK = 1 << GPIO3A2_SHIFT,
GPIO3A2_GPIO = 0,
GPIO3A2_SDIO_D3,
GPIO3A1_SHIFT = 2,
GPIO3A1_MASK = 1 << GPIO3A1_SHIFT,
GPIO3A1_GPIO = 0,
GPIO3A1_SDIO_D2,
GPIO3A0_SHIFT = 0,
GPIO3A0_MASK = 1,
GPIO3A0_GPIO = 0,
GPIO3A0_SDIO_D1,
};
/* GRF_GPIO3C_IOMUX */
enum {
GPIO3C7_SHIFT = 14,
GPIO3C7_MASK = 1 << GPIO3C7_SHIFT,
GPIO3C7_GPIO = 0,
GPIO3C7_CIF_CLKI,
GPIO3C6_SHIFT = 12,
GPIO3C6_MASK = 1 << GPIO3C6_SHIFT,
GPIO3C6_GPIO = 0,
GPIO3C6_CIF_VSYNC,
GPIO3C5_SHIFT = 10,
GPIO3C5_MASK = 1 << GPIO3C5_SHIFT,
GPIO3C5_GPIO = 0,
GPIO3C5_SDMMC_CMD,
GPIO3C4_SHIFT = 8,
GPIO3C4_MASK = 1 << GPIO3C4_SHIFT,
GPIO3C4_GPIO = 0,
GPIO3C4_SDMMC_CLKO,
GPIO3C3_SHIFT = 6,
GPIO3C3_MASK = 3 << GPIO3C3_SHIFT,
GPIO3C3_GPIO = 0,
GPIO3C3_SDMMC_D0,
GPIO3C3_UART2_SOUT_M1,
GPIO3C2_SHIFT = 4,
GPIO3C2_MASK = 3 << GPIO3C2_SHIFT,
GPIO3C2_GPIO = 0,
GPIO3C2_SDMMC_D1,
GPIO3C2_UART2_SIN_M1,
GPIOC1_SHIFT = 2,
GPIOC1_MASK = 1 << GPIOC1_SHIFT,
GPIOC1_GPIO = 0,
GPIOC1_SDMMC_D2,
GPIOC0_SHIFT = 0,
GPIOC0_MASK = 1,
GPIO3C0_GPIO = 0,
GPIO3C0_SDMMC_D3,
};
static void pinctrl_rv1108_uart_config(struct rv1108_grf *grf, int uart_id)
{
switch (uart_id) {
case PERIPH_ID_UART0:
rk_clrsetreg(&grf->gpio3a_iomux,
GPIO3A6_MASK | GPIO3A5_MASK,
GPIO3A6_UART1_SOUT << GPIO3A6_SHIFT |
GPIO3A5_UART1_SIN << GPIO3A5_SHIFT);
break;
case PERIPH_ID_UART1:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D3_MASK | GPIO1D2_MASK | GPIO1D1_MASK |
GPIO1D0_MASK,
GPIO1D3_UART0_SOUT << GPIO1D3_SHIFT |
GPIO1D2_UART0_SIN << GPIO1D2_SHIFT |
GPIO1D1_UART0_RTSN << GPIO1D1_SHIFT |
GPIO1D0_UART0_CTSN << GPIO1D0_SHIFT);
break;
case PERIPH_ID_UART2:
rk_clrsetreg(&grf->gpio2d_iomux,
GPIO2D2_MASK | GPIO2D1_MASK,
GPIO2D2_UART2_SOUT_M0 << GPIO2D2_SHIFT |
GPIO2D1_UART2_SIN_M0 << GPIO2D1_SHIFT);
break;
}
}
static void pinctrl_rv1108_gmac_config(struct rv1108_grf *grf, int func)
{
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B7_MASK | GPIO1B6_MASK | GPIO1B5_MASK |
GPIO1B4_MASK | GPIO1B3_MASK | GPIO1B2_MASK,
GPIO1B7_GMAC_RXDV << GPIO1B7_SHIFT |
GPIO1B6_GMAC_RXD1 << GPIO1B6_SHIFT |
GPIO1B5_GMAC_RXD0 << GPIO1B5_SHIFT |
GPIO1B4_GMAC_TXEN << GPIO1B4_SHIFT |
GPIO1B3_GMAC_TXD1 << GPIO1B3_SHIFT |
GPIO1B2_GMAC_TXD0 << GPIO1B2_SHIFT);
rk_clrsetreg(&grf->gpio1c_iomux,
GPIO1C5_MASK | GPIO1C4_MASK |
GPIO1C3_MASK | GPIO1C2_MASK,
GPIO1C5_GMAC_CLK << GPIO1C5_SHIFT |
GPIO1C4_GMAC_MDC << GPIO1C4_SHIFT |
GPIO1C3_GMAC_MDIO << GPIO1C3_SHIFT |
GPIO1C2_GMAC_RXER << GPIO1C2_SHIFT);
writel(0xffff57f5, &grf->gpio1b_drv);
}
static void pinctrl_rv1108_sfc_config(struct rv1108_grf *grf)
{
rk_clrsetreg(&grf->gpio2a_iomux, GPIO2A3_MASK | GPIO2A2_MASK |
GPIO2A1_MASK | GPIO2A0_MASK,
GPIO2A3_SFC_HOLD_IO3 << GPIO2A3_SHIFT |
GPIO2A2_SFC_WP_IO2 << GPIO2A2_SHIFT |
GPIO2A1_SFC_SO_IO1 << GPIO2A1_SHIFT |
GPIO2A0_SFC_SI_IO0 << GPIO2A0_SHIFT);
rk_clrsetreg(&grf->gpio2b_iomux, GPIO2B7_MASK | GPIO2B4_MASK,
GPIO2B7_SFC_CLK << GPIO2B7_SHIFT |
GPIO2B4_SFC_CSN0 << GPIO2B4_SHIFT);
}
static int rv1108_pinctrl_request(struct udevice *dev, int func, int flags)
{
struct rv1108_pinctrl_priv *priv = dev_get_priv(dev);
switch (func) {
case PERIPH_ID_UART0:
case PERIPH_ID_UART1:
case PERIPH_ID_UART2:
pinctrl_rv1108_uart_config(priv->grf, func);
break;
case PERIPH_ID_GMAC:
pinctrl_rv1108_gmac_config(priv->grf, func);
case PERIPH_ID_SFC:
pinctrl_rv1108_sfc_config(priv->grf);
default:
return -EINVAL;
}
return 0;
}
static int rv1108_pinctrl_get_periph_id(struct udevice *dev,
struct udevice *periph)
{
u32 cell[3];
int ret;
ret = dev_read_u32_array(periph, "interrupts", cell, ARRAY_SIZE(cell));
if (ret < 0)
return -EINVAL;
switch (cell[1]) {
case 11:
return PERIPH_ID_SDCARD;
case 13:
return PERIPH_ID_EMMC;
case 19:
return PERIPH_ID_GMAC;
case 30:
return PERIPH_ID_I2C0;
case 31:
return PERIPH_ID_I2C1;
case 32:
return PERIPH_ID_I2C2;
case 39:
return PERIPH_ID_PWM0;
case 44:
return PERIPH_ID_UART0;
case 45:
return PERIPH_ID_UART1;
case 46:
return PERIPH_ID_UART2;
case 56:
return PERIPH_ID_SFC;
}
return -ENOENT;
}
static int rv1108_pinctrl_set_state_simple(struct udevice *dev,
struct udevice *periph)
{
int func;
func = rv1108_pinctrl_get_periph_id(dev, periph);
if (func < 0)
return func;
return rv1108_pinctrl_request(dev, func, 0);
}
static struct pinctrl_ops rv1108_pinctrl_ops = {
.set_state_simple = rv1108_pinctrl_set_state_simple,
.request = rv1108_pinctrl_request,
.get_periph_id = rv1108_pinctrl_get_periph_id,
};
static int rv1108_pinctrl_probe(struct udevice *dev)
{
struct rv1108_pinctrl_priv *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
return 0;
}
static const struct udevice_id rv1108_pinctrl_ids[] = {
{.compatible = "rockchip,rv1108-pinctrl" },
{ }
};
U_BOOT_DRIVER(pinctrl_rv1108) = {
.name = "pinctrl_rv1108",
.id = UCLASS_PINCTRL,
.of_match = rv1108_pinctrl_ids,
.priv_auto_alloc_size = sizeof(struct rv1108_pinctrl_priv),
.ops = &rv1108_pinctrl_ops,
.bind = dm_scan_fdt_dev,
.probe = rv1108_pinctrl_probe,
};