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authorKever Yang <kever.yang@rock-chips.com>2017-06-23 09:17:50 (GMT)
committerPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>2017-07-11 10:13:46 (GMT)
commit5cc9d31a79fecfaacfdbc9c566b6df35765100f8 (patch)
tree087d642e57eb5b4cffa262185c67fd9c07f26653
parent045029cbd16782031fceede2808b4905214f0921 (diff)
downloadu-boot-rockchip-5cc9d31a79fecfaacfdbc9c566b6df35765100f8.tar.gz
u-boot-rockchip-5cc9d31a79fecfaacfdbc9c566b6df35765100f8.tar.xz
rockchip: rk322x: add pinctrl driver
Add init pinctrl driver support for: - i2c; - spi; - uart; - pwm; - emmc/sdmmc; Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
-rw-r--r--arch/arm/include/asm/arch-rockchip/grf_rk322x.h519
-rw-r--r--drivers/pinctrl/Kconfig10
-rw-r--r--drivers/pinctrl/rockchip/Makefile1
-rw-r--r--drivers/pinctrl/rockchip/pinctrl_rk322x.c294
4 files changed, 824 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk322x.h b/arch/arm/include/asm/arch-rockchip/grf_rk322x.h
new file mode 100644
index 0000000..26071c8
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk322x.h
@@ -0,0 +1,519 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _ASM_ARCH_GRF_RK322X_H
+#define _ASM_ARCH_GRF_RK322X_H
+
+#include <common.h>
+
+struct rk322x_grf {
+ 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 reserved1[4];
+ unsigned int con_iomux;
+ unsigned int reserved2[(0x100 - 0x50) / 4 - 1];
+ unsigned int gpio0_p[4];
+ unsigned int gpio1_p[4];
+ unsigned int gpio2_p[4];
+ unsigned int gpio3_p[4];
+ unsigned int reserved3[(0x200 - 0x13c) / 4 - 1];
+ unsigned int gpio0_e[4];
+ unsigned int gpio1_e[4];
+ unsigned int gpio2_e[4];
+ unsigned int gpio3_e[4];
+ unsigned int reserved4[(0x400 - 0x23c) / 4 - 1];
+ unsigned int soc_con[7];
+ unsigned int reserved5[(0x480 - 0x418) / 4 - 1];
+ unsigned int soc_status[3];
+ unsigned int chip_id;
+ unsigned int reserved6[(0x500 - 0x48c) / 4 - 1];
+ unsigned int cpu_con[4];
+ unsigned int reserved7[4];
+ unsigned int cpu_status[2];
+ unsigned int reserved8[(0x5c8 - 0x524) / 4 - 1];
+ unsigned int os_reg[8];
+ unsigned int reserved9[(0x604 - 0x5e4) / 4 - 1];
+ unsigned int ddrc_stat;
+};
+check_member(rk322x_grf, ddrc_stat, 0x604);
+
+struct rk322x_sgrf {
+ unsigned int soc_con[11];
+ unsigned int busdmac_con[4];
+};
+
+/* GRF_GPIO0A_IOMUX */
+enum {
+ GPIO0A7_SHIFT = 14,
+ GPIO0A7_MASK = 3 << GPIO0A7_SHIFT,
+ GPIO0A7_GPIO = 0,
+ GPIO0A7_I2C3_SDA,
+ GPIO0A7_HDMI_DDCSDA,
+
+ GPIO0A6_SHIFT = 12,
+ GPIO0A6_MASK = 3 << GPIO0A6_SHIFT,
+ GPIO0A6_GPIO = 0,
+ GPIO0A6_I2C3_SCL,
+ GPIO0A6_HDMI_DDCSCL,
+
+ GPIO0A3_SHIFT = 6,
+ GPIO0A3_MASK = 3 << GPIO0A3_SHIFT,
+ GPIO0A3_GPIO = 0,
+ GPIO0A3_I2C1_SDA,
+ GPIO0A3_SDIO_CMD,
+
+ GPIO0A2_SHIFT = 4,
+ GPIO0A2_MASK = 3 << GPIO0A2_SHIFT,
+ GPIO0A2_GPIO = 0,
+ GPIO0A2_I2C1_SCL,
+
+ GPIO0A1_SHIFT = 2,
+ GPIO0A1_MASK = 3 << GPIO0A1_SHIFT,
+ GPIO0A1_GPIO = 0,
+ GPIO0A1_I2C0_SDA,
+
+ GPIO0A0_SHIFT = 0,
+ GPIO0A0_MASK = 3 << GPIO0A0_SHIFT,
+ GPIO0A0_GPIO = 0,
+ GPIO0A0_I2C0_SCL,
+};
+
+/* GRF_GPIO0B_IOMUX */
+enum {
+ GPIO0B7_SHIFT = 14,
+ GPIO0B7_MASK = 3 << GPIO0B7_SHIFT,
+ GPIO0B7_GPIO = 0,
+ GPIO0B7_HDMI_HDP,
+
+ 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,
+
+ GPIO0B3_SHIFT = 6,
+ GPIO0B3_MASK = 3 << GPIO0B3_SHIFT,
+ GPIO0B3_GPIO = 0,
+ GPIO0B3_I2S1_LRCKRX,
+ GPIO0B3_SPI_TXD,
+
+ GPIO0B1_SHIFT = 2,
+ GPIO0B1_MASK = 3 << GPIO0B1_SHIFT,
+ GPIO0B1_GPIO = 0,
+ GPIO0B1_I2S_SCLK,
+ GPIO0B1_SPI_CLK,
+
+ GPIO0B0_SHIFT = 0,
+ GPIO0B0_MASK = 3,
+ GPIO0B0_GPIO = 0,
+ GPIO0B0_I2S_MCLK,
+};
+
+/* GRF_GPIO0C_IOMUX */
+enum {
+ GPIO0C4_SHIFT = 8,
+ GPIO0C4_MASK = 3 << GPIO0C4_SHIFT,
+ GPIO0C4_GPIO = 0,
+ GPIO0C4_HDMI_CECSDA,
+
+ GPIO0C1_SHIFT = 2,
+ GPIO0C1_MASK = 3 << GPIO0C1_SHIFT,
+ GPIO0C1_GPIO = 0,
+ GPIO0C1_UART0_RSTN,
+ GPIO0C1_CLK_OUT1,
+};
+
+/* GRF_GPIO0D_IOMUX */
+enum {
+ GPIO0D6_SHIFT = 12,
+ GPIO0D6_MASK = 3 << GPIO0D6_SHIFT,
+ GPIO0D6_GPIO = 0,
+ GPIO0D6_SDIO_PWREN,
+ GPIO0D6_PWM11,
+
+
+ GPIO0D4_SHIFT = 8,
+ GPIO0D4_MASK = 3 << GPIO0D4_SHIFT,
+ GPIO0D4_GPIO = 0,
+ GPIO0D4_PWM2,
+
+ GPIO0D3_SHIFT = 6,
+ GPIO0D3_MASK = 3 << GPIO0D3_SHIFT,
+ GPIO0D3_GPIO = 0,
+ GPIO0D3_PWM1,
+
+ GPIO0D2_SHIFT = 4,
+ GPIO0D2_MASK = 3 << GPIO0D2_SHIFT,
+ GPIO0D2_GPIO = 0,
+ GPIO0D2_PWM0,
+};
+
+/* GRF_GPIO1A_IOMUX */
+enum {
+ GPIO1A7_SHIFT = 14,
+ GPIO1A7_MASK = 1,
+ GPIO1A7_GPIO = 0,
+ GPIO1A7_SDMMC_WRPRT,
+};
+
+/* GRF_GPIO1B_IOMUX */
+enum {
+ GPIO1B7_SHIFT = 14,
+ GPIO1B7_MASK = 3 << GPIO1B7_SHIFT,
+ GPIO1B7_GPIO = 0,
+ GPIO1B7_SDMMC_CMD,
+
+ GPIO1B6_SHIFT = 12,
+ GPIO1B6_MASK = 3 << GPIO1B6_SHIFT,
+ GPIO1B6_GPIO = 0,
+ GPIO1B6_SDMMC_PWREN,
+
+ GPIO1B4_SHIFT = 8,
+ GPIO1B4_MASK = 3 << GPIO1B4_SHIFT,
+ GPIO1B4_GPIO = 0,
+ GPIO1B4_SPI_CSN1,
+ GPIO1B4_PWM12,
+
+ GPIO1B3_SHIFT = 6,
+ GPIO1B3_MASK = 3 << GPIO1B3_SHIFT,
+ GPIO1B3_GPIO = 0,
+ GPIO1B3_UART1_RSTN,
+ GPIO1B3_PWM13,
+
+ GPIO1B2_SHIFT = 4,
+ GPIO1B2_MASK = 3 << GPIO1B2_SHIFT,
+ GPIO1B2_GPIO = 0,
+ GPIO1B2_UART1_SIN,
+ GPIO1B2_UART21_SIN,
+
+ GPIO1B1_SHIFT = 2,
+ GPIO1B1_MASK = 3 << GPIO1B1_SHIFT,
+ GPIO1B1_GPIO = 0,
+ GPIO1B1_UART1_SOUT,
+ GPIO1B1_UART21_SOUT,
+};
+
+/* GRF_GPIO1C_IOMUX */
+enum {
+ GPIO1C7_SHIFT = 14,
+ GPIO1C7_MASK = 3 << GPIO1C7_SHIFT,
+ GPIO1C7_GPIO = 0,
+ GPIO1C7_NAND_CS3,
+ GPIO1C7_EMMC_RSTNOUT,
+
+ 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_SDMMC_D3,
+ GPIO1C5_JTAG_TMS,
+
+ GPIO1C4_SHIFT = 8,
+ GPIO1C4_MASK = 3 << GPIO1C4_SHIFT,
+ GPIO1C4_GPIO = 0,
+ GPIO1C4_SDMMC_D2,
+ GPIO1C4_JTAG_TCK,
+
+ GPIO1C3_SHIFT = 6,
+ GPIO1C3_MASK = 3 << GPIO1C3_SHIFT,
+ GPIO1C3_GPIO = 0,
+ GPIO1C3_SDMMC_D1,
+ GPIO1C3_UART2_SIN,
+
+ GPIO1C2_SHIFT = 4,
+ GPIO1C2_MASK = 3 << GPIO1C2_SHIFT ,
+ GPIO1C2_GPIO = 0,
+ GPIO1C2_SDMMC_D0,
+ GPIO1C2_UART2_SOUT,
+
+ GPIO1C1_SHIFT = 2,
+ GPIO1C1_MASK = 3 << GPIO1C1_SHIFT,
+ GPIO1C1_GPIO = 0,
+ GPIO1C1_SDMMC_DETN,
+
+ GPIO1C0_SHIFT = 0,
+ GPIO1C0_MASK = 3 << GPIO1C0_SHIFT,
+ GPIO1C0_GPIO = 0,
+ GPIO1C0_SDMMC_CLKOUT,
+};
+
+/* GRF_GPIO1D_IOMUX */
+enum {
+ GPIO1D7_SHIFT = 14,
+ GPIO1D7_MASK = 3 << GPIO1D7_SHIFT,
+ GPIO1D7_GPIO = 0,
+ GPIO1D7_NAND_D7,
+ GPIO1D7_EMMC_D7,
+
+ GPIO1D6_SHIFT = 12,
+ GPIO1D6_MASK = 3 << GPIO1D6_SHIFT,
+ GPIO1D6_GPIO = 0,
+ GPIO1D6_NAND_D6,
+ GPIO1D6_EMMC_D6,
+
+ GPIO1D5_SHIFT = 10,
+ GPIO1D5_MASK = 3 << GPIO1D5_SHIFT,
+ GPIO1D5_GPIO = 0,
+ GPIO1D5_NAND_D5,
+ GPIO1D5_EMMC_D5,
+
+ GPIO1D4_SHIFT = 8,
+ GPIO1D4_MASK = 3 << GPIO1D4_SHIFT,
+ GPIO1D4_GPIO = 0,
+ GPIO1D4_NAND_D4,
+ GPIO1D4_EMMC_D4,
+
+ GPIO1D3_SHIFT = 6,
+ GPIO1D3_MASK = 3 << GPIO1D3_SHIFT,
+ GPIO1D3_GPIO = 0,
+ GPIO1D3_NAND_D3,
+ GPIO1D3_EMMC_D3,
+
+ GPIO1D2_SHIFT = 4,
+ GPIO1D2_MASK = 3 << GPIO1D2_SHIFT,
+ GPIO1D2_GPIO = 0,
+ GPIO1D2_NAND_D2,
+ GPIO1D2_EMMC_D2,
+
+ GPIO1D1_SHIFT = 2,
+ GPIO1D1_MASK = 3 << GPIO1D1_SHIFT,
+ GPIO1D1_GPIO = 0,
+ GPIO1D1_NAND_D1,
+ GPIO1D1_EMMC_D1,
+
+ GPIO1D0_SHIFT = 0,
+ GPIO1D0_MASK = 3 << GPIO1D0_SHIFT,
+ GPIO1D0_GPIO = 0,
+ GPIO1D0_NAND_D0,
+ GPIO1D0_EMMC_D0,
+};
+
+/* GRF_GPIO2A_IOMUX */
+enum {
+ GPIO2A7_SHIFT = 14,
+ GPIO2A7_MASK = 3 << GPIO2A7_SHIFT,
+ GPIO2A7_GPIO = 0,
+ GPIO2A7_NAND_DQS,
+ GPIO2A7_EMMC_CLKOUT,
+
+ 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_SHIFT = 6,
+ GPIO2A3_MASK = 3 << GPIO2A3_SHIFT,
+ GPIO2A3_GPIO = 0,
+ GPIO2A3_NAND_RDN,
+ GPIO2A4_SPI1_CSN1,
+
+ GPIO2A2_SHIFT = 4,
+ GPIO2A2_MASK = 3 << GPIO2A2_SHIFT,
+ GPIO2A2_GPIO = 0,
+ GPIO2A2_NAND_WRN,
+ GPIO2A4_SPI1_CSN0,
+
+ GPIO2A1_SHIFT = 2,
+ GPIO2A1_MASK = 3 << GPIO2A1_SHIFT,
+ GPIO2A1_GPIO = 0,
+ GPIO2A1_NAND_CLE,
+ GPIO2A1_SPI1_TXD,
+
+ GPIO2A0_SHIFT = 0,
+ GPIO2A0_MASK = 3 << GPIO2A0_SHIFT,
+ GPIO2A0_GPIO = 0,
+ GPIO2A0_NAND_ALE,
+ GPIO2A0_SPI1_RXD,
+};
+
+/* GRF_GPIO2B_IOMUX */
+enum {
+ GPIO2B7_SHIFT = 14,
+ GPIO2B7_MASK = 3 << GPIO2B7_SHIFT,
+ GPIO2B7_GPIO = 0,
+ GPIO2B7_GMAC_RXER,
+
+ GPIO2B6_SHIFT = 12,
+ GPIO2B6_MASK = 3 << GPIO2B6_SHIFT,
+ GPIO2B6_GPIO = 0,
+ GPIO2B6_GMAC_CLK,
+ GPIO2B6_MAC_LINK,
+
+ GPIO2B5_SHIFT = 10,
+ GPIO2B5_MASK = 3 << GPIO2B5_SHIFT,
+ GPIO2B5_GPIO = 0,
+ GPIO2B5_GMAC_TXEN,
+
+ GPIO2B4_SHIFT = 8,
+ GPIO2B4_MASK = 3 << GPIO2B4_SHIFT,
+ GPIO2B4_GPIO = 0,
+ GPIO2B4_GMAC_MDIO,
+
+ GPIO2B3_SHIFT = 6,
+ GPIO2B3_MASK = 3 << GPIO2B3_SHIFT,
+ GPIO2B3_GPIO = 0,
+ GPIO2B3_GMAC_RXCLK,
+
+ GPIO2B2_SHIFT = 4,
+ GPIO2B2_MASK = 3 << GPIO2B2_SHIFT,
+ GPIO2B2_GPIO = 0,
+ GPIO2B2_GMAC_CRS,
+
+ GPIO2B1_SHIFT = 2,
+ GPIO2B1_MASK = 3 << GPIO2B1_SHIFT,
+ GPIO2B1_GPIO = 0,
+ GPIO2B1_GMAC_TXCLK,
+
+
+ GPIO2B0_SHIFT = 0,
+ GPIO2B0_MASK = 3 << GPIO2B0_SHIFT,
+ GPIO2B0_GPIO = 0,
+ GPIO2B0_GMAC_RXDV,
+ GPIO2B0_MAC_SPEED_IOUT,
+};
+
+/* GRF_GPIO2C_IOMUX */
+enum {
+ GPIO2C7_SHIFT = 14,
+ GPIO2C7_MASK = 3 << GPIO2C7_SHIFT,
+ GPIO2C7_GPIO = 0,
+ GPIO2C7_GMAC_TXD3,
+
+ GPIO2C6_SHIFT = 12,
+ GPIO2C6_MASK = 3 << GPIO2C6_SHIFT,
+ GPIO2C6_GPIO = 0,
+ GPIO2C6_GMAC_TXD2,
+
+ GPIO2C5_SHIFT = 10,
+ GPIO2C5_MASK = 3 << GPIO2C5_SHIFT,
+ GPIO2C5_GPIO = 0,
+ GPIO2C5_I2C2_SCL,
+ GPIO2C5_GMAC_RXD2,
+
+ GPIO2C4_SHIFT = 8,
+ GPIO2C4_MASK = 3 << GPIO2C4_SHIFT,
+ GPIO2C4_GPIO = 0,
+ GPIO2C4_I2C2_SDA,
+ GPIO2C4_GMAC_RXD3,
+
+ GPIO2C3_SHIFT = 6,
+ GPIO2C3_MASK = 3 << GPIO2C3_SHIFT,
+ GPIO2C3_GPIO = 0,
+ GPIO2C3_GMAC_TXD0,
+
+ GPIO2C2_SHIFT = 4,
+ GPIO2C2_MASK = 3 << GPIO2C2_SHIFT,
+ GPIO2C2_GPIO = 0,
+ GPIO2C2_GMAC_TXD1,
+
+ GPIO2C1_SHIFT = 2,
+ GPIO2C1_MASK = 3 << GPIO2C1_SHIFT,
+ GPIO2C1_GPIO = 0,
+ GPIO2C1_GMAC_RXD0,
+
+ GPIO2C0_SHIFT = 0,
+ GPIO2C0_MASK = 3 << GPIO2C0_SHIFT,
+ GPIO2C0_GPIO = 0,
+ GPIO2C0_GMAC_RXD1,
+};
+
+/* GRF_GPIO2D_IOMUX */
+enum {
+ GPIO2D1_SHIFT = 2,
+ GPIO2D1_MASK = 3 << GPIO2D1_SHIFT,
+ GPIO2D1_GPIO = 0,
+ GPIO2D1_GMAC_MDC,
+
+ GPIO2D0_SHIFT = 0,
+ GPIO2D0_MASK = 3,
+ GPIO2D0_GPIO = 0,
+ GPIO2D0_GMAC_COL,
+};
+
+/* GRF_GPIO3C_IOMUX */
+enum {
+ GPIO3C6_SHIFT = 12,
+ GPIO3C6_MASK = 3 << GPIO3C6_SHIFT,
+ GPIO3C6_GPIO = 0,
+ GPIO3C6_DRV_VBUS1,
+
+ GPIO3C5_SHIFT = 10,
+ GPIO3C5_MASK = 3 << GPIO3C5_SHIFT,
+ GPIO3C5_GPIO = 0,
+ GPIO3C5_PWM10,
+
+ GPIO3C1_SHIFT = 2,
+ GPIO3C1_MASK = 3 << GPIO3C1_SHIFT,
+ GPIO3C1_GPIO = 0,
+ GPIO3C1_DRV_VBUS,
+};
+
+/* GRF_GPIO3D_IOMUX */
+enum {
+ GPIO3D2_SHIFT = 4,
+ GPIO3D2_MASK = 3 << GPIO3D2_SHIFT,
+ GPIO3D2_GPIO = 0,
+ GPIO3D2_PWM3,
+};
+
+/* GRF_CON_IOMUX */
+enum {
+ CON_IOMUX_GMAC_SHIFT = 15,
+ CON_IOMUX_GMAC_MASK = 1 << CON_IOMUX_GMAC_SHIFT,
+ CON_IOMUX_UART1SEL_SHIFT = 11,
+ CON_IOMUX_UART1SEL_MASK = 1 << CON_IOMUX_UART1SEL_SHIFT,
+ CON_IOMUX_UART2SEL_SHIFT = 8,
+ CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT,
+ CON_IOMUX_UART2SEL_2 = 0,
+ CON_IOMUX_UART2SEL_21,
+ CON_IOMUX_EMMCSEL_SHIFT = 7,
+ CON_IOMUX_EMMCSEL_MASK = 1 << CON_IOMUX_EMMCSEL_SHIFT,
+ CON_IOMUX_PWM3SEL_SHIFT = 3,
+ CON_IOMUX_PWM3SEL_MASK = 1 << CON_IOMUX_PWM3SEL_SHIFT,
+ CON_IOMUX_PWM2SEL_SHIFT = 2,
+ CON_IOMUX_PWM2SEL_MASK = 1 << CON_IOMUX_PWM2SEL_SHIFT,
+ CON_IOMUX_PWM1SEL_SHIFT = 1,
+ CON_IOMUX_PWM1SEL_MASK = 1 << CON_IOMUX_PWM1SEL_SHIFT,
+ CON_IOMUX_PWM0SEL_SHIFT = 0,
+ CON_IOMUX_PWM0SEL_MASK = 1 << CON_IOMUX_PWM0SEL_SHIFT,
+};
+#endif
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index f948783..4ab0b3a 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -178,6 +178,16 @@ config PINCTRL_ROCKCHIP_RK3188
the GPIO definitions and pin control functions for each available
multiplex function.
+config PINCTRL_ROCKCHIP_RK322X
+ bool "Rockchip rk322x pin control driver"
+ depends on DM
+ help
+ Support pin multiplexing control on Rockchip rk322x 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_RK3288
bool "Rockchip rk3288 pin control driver"
depends on DM
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index a1c655d..5251771 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -7,6 +7,7 @@
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3036) += pinctrl_rk3036.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3188) += pinctrl_rk3188.o
+obj-$(CONFIG_PINCTRL_ROCKCHIP_RK322X) += pinctrl_rk322x.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3288) += pinctrl_rk3288.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3328) += pinctrl_rk3328.o
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3368) += pinctrl_rk3368.o
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk322x.c b/drivers/pinctrl/rockchip/pinctrl_rk322x.c
new file mode 100644
index 0000000..7aaf4b5
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl_rk322x.c
@@ -0,0 +1,294 @@
+/*
+ * (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_rk322x.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <dm/pinctrl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct rk322x_pinctrl_priv {
+ struct rk322x_grf *grf;
+};
+
+static void pinctrl_rk322x_pwm_config(struct rk322x_grf *grf, int pwm_id)
+{
+ u32 mux_con = readl(&grf->con_iomux);
+
+ switch (pwm_id) {
+ case PERIPH_ID_PWM0:
+ if (mux_con & CON_IOMUX_PWM0SEL_MASK)
+ rk_clrsetreg(&grf->gpio3c_iomux, GPIO3C5_MASK,
+ GPIO3C5_PWM10 << GPIO3C5_SHIFT);
+ else
+ rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D2_MASK,
+ GPIO0D2_PWM0 << GPIO0D2_SHIFT);
+ break;
+ case PERIPH_ID_PWM1:
+ if (mux_con & CON_IOMUX_PWM1SEL_MASK)
+ rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D6_MASK,
+ GPIO0D6_PWM11 << GPIO0D6_SHIFT);
+ else
+ rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D3_MASK,
+ GPIO0D3_PWM1 << GPIO0D3_SHIFT);
+ break;
+ case PERIPH_ID_PWM2:
+ if (mux_con & CON_IOMUX_PWM2SEL_MASK)
+ rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK,
+ GPIO1B4_PWM12 << GPIO1B4_SHIFT);
+ else
+ rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D4_MASK,
+ GPIO0D4_PWM2 << GPIO0D4_SHIFT);
+ break;
+ case PERIPH_ID_PWM3:
+ if (mux_con & CON_IOMUX_PWM3SEL_MASK)
+ rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B3_MASK,
+ GPIO1B3_PWM13 << GPIO1B3_SHIFT);
+ else
+ rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D2_MASK,
+ GPIO3D2_PWM3 << GPIO3D2_SHIFT);
+ break;
+ default:
+ debug("pwm id = %d iomux error!\n", pwm_id);
+ break;
+ }
+}
+
+static void pinctrl_rk322x_i2c_config(struct rk322x_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_iomux,
+ 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_rk322x_spi_config(struct rk322x_grf *grf, int cs)
+{
+ switch (cs) {
+ case 0:
+ rk_clrsetreg(&grf->gpio0b_iomux, GPIO0B6_MASK,
+ GPIO0B6_SPI_CSN0 << GPIO0B6_SHIFT);
+ break;
+ case 1:
+ rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK,
+ GPIO1B4_SPI_CSN1 << GPIO1B4_SHIFT);
+ break;
+ }
+ rk_clrsetreg(&grf->gpio0b_iomux,
+ GPIO0B1_MASK | GPIO0B3_MASK | GPIO0B5_MASK,
+ GPIO0B5_SPI_RXD << GPIO0B5_SHIFT |
+ GPIO0B3_SPI_TXD << GPIO0B3_SHIFT |
+ GPIO0B1_SPI_CLK << GPIO0B1_SHIFT);
+}
+
+static void pinctrl_rk322x_uart_config(struct rk322x_grf *grf, int uart_id)
+{
+ u32 mux_con = readl(&grf->con_iomux);
+
+ switch (uart_id) {
+ case PERIPH_ID_UART1:
+ if (!(mux_con & CON_IOMUX_UART1SEL_MASK))
+ rk_clrsetreg(&grf->gpio1b_iomux,
+ GPIO1B1_MASK | GPIO1B2_MASK,
+ GPIO1B1_UART1_SOUT << GPIO1B1_SHIFT |
+ GPIO1B2_UART1_SIN << GPIO1B2_SHIFT);
+ break;
+ case PERIPH_ID_UART2:
+ if (mux_con & CON_IOMUX_UART2SEL_MASK)
+ rk_clrsetreg(&grf->gpio1b_iomux,
+ GPIO1B1_MASK | GPIO1B2_MASK,
+ GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT |
+ GPIO1B2_UART21_SIN << GPIO1B2_SHIFT);
+ else
+ rk_clrsetreg(&grf->gpio1c_iomux,
+ GPIO1C3_MASK | GPIO1C2_MASK,
+ GPIO1C3_UART2_SIN << GPIO1C3_SHIFT |
+ GPIO1C2_UART2_SOUT << GPIO1C2_SHIFT);
+ break;
+ }
+}
+
+static void pinctrl_rk322x_sdmmc_config(struct rk322x_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);
+ rk_clrsetreg(&grf->gpio1c_iomux,
+ GPIO1C6_MASK | GPIO1C7_MASK,
+ GPIO1C6_EMMC_CMD << GPIO1C6_SHIFT |
+ GPIO1C7_EMMC_RSTNOUT << GPIO1C6_SHIFT);
+ break;
+ case PERIPH_ID_SDCARD:
+ rk_clrsetreg(&grf->gpio1b_iomux,
+ GPIO1B6_MASK | GPIO1B7_MASK,
+ GPIO1B6_SDMMC_PWREN << GPIO1B6_SHIFT |
+ GPIO1B7_SDMMC_CMD << GPIO1B6_SHIFT);
+ rk_clrsetreg(&grf->gpio1c_iomux, 0xfff,
+ GPIO1C5_SDMMC_D3 << GPIO1C5_SHIFT |
+ GPIO1C4_SDMMC_D2 << GPIO1C4_SHIFT |
+ GPIO1C3_SDMMC_D1 << GPIO1C3_SHIFT |
+ GPIO1C2_SDMMC_D0 << GPIO1C2_SHIFT |
+ GPIO1C1_SDMMC_DETN << GPIO1C1_SHIFT |
+ GPIO1C0_SDMMC_CLKOUT << GPIO1C0_SHIFT);
+ break;
+ }
+}
+
+static int rk322x_pinctrl_request(struct udevice *dev, int func, int flags)
+{
+ struct rk322x_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:
+ pinctrl_rk322x_pwm_config(priv->grf, func);
+ break;
+ case PERIPH_ID_I2C0:
+ case PERIPH_ID_I2C1:
+ case PERIPH_ID_I2C2:
+ pinctrl_rk322x_i2c_config(priv->grf, func);
+ break;
+ case PERIPH_ID_SPI0:
+ pinctrl_rk322x_spi_config(priv->grf, flags);
+ break;
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART2:
+ pinctrl_rk322x_uart_config(priv->grf, func);
+ break;
+ case PERIPH_ID_SDMMC0:
+ case PERIPH_ID_SDMMC1:
+ pinctrl_rk322x_sdmmc_config(priv->grf, func);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rk322x_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 12:
+ return PERIPH_ID_SDCARD;
+ case 14:
+ return PERIPH_ID_EMMC;
+ case 36:
+ return PERIPH_ID_I2C0;
+ case 37:
+ return PERIPH_ID_I2C1;
+ case 38:
+ return PERIPH_ID_I2C2;
+ case 49:
+ return PERIPH_ID_SPI0;
+ case 50:
+ return PERIPH_ID_PWM0;
+ case 55:
+ return PERIPH_ID_UART0;
+ case 56:
+ return PERIPH_ID_UART1;
+ case 57:
+ return PERIPH_ID_UART2;
+ }
+ return -ENOENT;
+}
+
+static int rk322x_pinctrl_set_state_simple(struct udevice *dev,
+ struct udevice *periph)
+{
+ int func;
+
+ func = rk322x_pinctrl_get_periph_id(dev, periph);
+ if (func < 0)
+ return func;
+ return rk322x_pinctrl_request(dev, func, 0);
+}
+
+static struct pinctrl_ops rk322x_pinctrl_ops = {
+ .set_state_simple = rk322x_pinctrl_set_state_simple,
+ .request = rk322x_pinctrl_request,
+ .get_periph_id = rk322x_pinctrl_get_periph_id,
+};
+
+static int rk322x_pinctrl_probe(struct udevice *dev)
+{
+ struct rk322x_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 rk322x_pinctrl_ids[] = {
+ { .compatible = "rockchip,rk322x-pinctrl" },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk322x) = {
+ .name = "pinctrl_rk322x",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk322x_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rk322x_pinctrl_priv),
+ .ops = &rk322x_pinctrl_ops,
+ .bind = dm_scan_fdt_dev,
+ .probe = rk322x_pinctrl_probe,
+};