This patch adds a SoC specific pinctrl driver for Marvell Dove SoCs plus DT binding documentation. This driver will use the mvebu pinctrl driver core. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx> --- Cc: Grant Likely <grant.likely@xxxxxxxxxxxx> Cc: Rob Herring <rob.herring@xxxxxxxxxxx> Cc: Rob Landley <rob@xxxxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxxx> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: Lior Amsalem <alior@xxxxxxxxxxx> Cc: Andrew Lunn <andrew@xxxxxxx> Cc: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx> Cc: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx> Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> Cc: devicetree-discuss@xxxxxxxxxxxxxxxx Cc: linux-doc@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx --- .../bindings/pinctrl/marvell,dove-pinctrl.txt | 71 +++ arch/arm/Kconfig | 1 + drivers/pinctrl/Kconfig | 9 +- drivers/pinctrl/Makefile | 1 + drivers/pinctrl/pinctrl-dove.c | 622 ++++++++++++++++++++ 5 files changed, 703 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/pinctrl/marvell,dove-pinctrl.txt create mode 100644 drivers/pinctrl/pinctrl-dove.c diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,dove-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,dove-pinctrl.txt new file mode 100644 index 0000000..9e6eea2 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/marvell,dove-pinctrl.txt @@ -0,0 +1,71 @@ +* Marvell Dove SoC pinctrl driver for mpp + +Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding +part and usage. + +Required properties: +- compatible: "marvell,dove-pinctrl" + +Available mpp pins/groups and functions: +Note: brackets (x) are not part of the mpp name for marvell,function and given +only for more detailed description in this document. + +name pins functions +================================================================================ +mpp0 0 gpio, pmu, uart2(rts), sdio0(cd), lcd0(pwm) +mpp1 1 gpio, pmu, uart2(cts), sdio0(wp), lcd1(pwm) +mpp2 2 gpio, pmu, uart2(txd), sdio0(buspwr), sata(prsnt), + uart1(rts) +mpp3 3 gpio, pmu, uart2(rxd), sdio0(ledctrl), sata(act), + uart1(cts), lcd-spi(cs1) +mpp4 4 gpio, pmu, uart3(rts), sdio1(cd), spi1(miso) +mpp5 5 gpio, pmu, uart3(cts), sdio1(wp), spi1(cs) +mpp6 6 gpio, pmu, uart3(txd), sdio1(buspwr), spi1(mosi) +mpp7 7 gpio, pmu, uart3(rxd), sdio1(ledctrl), spi1(sck) +mpp8 8 gpio, pmu, watchdog(rstout) +mpp9 9 gpio, pmu, pex1(clkreq) +mpp10 10 gpio, pmu, ssp(sclk) +mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl), + sdio1(ledctrl), pex0(clkreq) +mpp12 12 gpio, pmu, uart2(rts), audio0(extclk), sdio1(cd), sata(act) +mpp13 13 gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp), + ssp(extclk) +mpp14 14 gpio, pmu, uart2(txd), sdio1(buspwr), ssp(rxd) +mpp15 15 gpio, pmu, uart2(rxd), sdio1(ledctrl), ssp(sfrm) +mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1) +mpp17 17 gpio, uart3(cts), sdio0(wp), ac97(sdi2), twsi(sda), + ac97-1(sysclko) +mpp18 18 gpio, uart3(txd), sdio0(buspwr), ac97(sdi3), lcd0(pwm) +mpp19 19 gpio, uart3(rxd), sdio0(ledctrl), twsi(sck) +mpp20 20 gpio, sdio0(cd), sdio1(cd), spi1(miso), lcd-spi(miso), + ac97(sysclko) +mpp21 21 gpio, sdio0(wp), sdio1(wp), spi1(cs), lcd-spi(cs0), + uart1(cts), ssp(sfrm) +mpp22 22 gpio, sdio0(buspwr), sdio1(buspwr), spi1(mosi), + lcd-spi(mosi), uart1(cts), ssp(txd) +mpp23 23 gpio, sdio0(ledctrl), sdio1(ledctrl), spi1(sck), + lcd-spi(sck), ssp(sclk) +mpp_camera 24-39 gpio, camera +mpp_sdio0 40-45 gpio, sdio0 +mpp_sdio1 46-51 gpio, sdio1 +mpp_audio1 52-57 gpio, i2s1/spdifo, i2s1, spdifo, twsi, ssp/spdifo, ssp, + ssp/twsi +mpp_spi0 58-61 gpio, spi0 +mpp_uart1 62-63 gpio, uart1 +mpp_nand 64-71 gpo, nand +audio0 - i2s, ac97 +twsi - none, opt1, opt2, opt3 + +Notes: +* group "mpp_audio1" allows the following functions and gpio pins: + - gpio : gpio on pins 52-57 + - i2s1/spdifo : audio1 i2s on pins 52-55 and spdifo on 57, no gpios + - i2s1 : audio1 i2s on pins 52-55, gpio on pins 56,57 + - spdifo : spdifo on pin 57, gpio on pins 52-55 + - twsi : twsi on pins 56,57, gpio on pins 52-55 + - ssp/spdifo : ssp on pins 52-55, spdifo on pin 57, no gpios + - ssp : ssp on pins 52-55, gpio on pins 56,57 + - ssp/twsi : ssp on pins 52-55, twsi on pins 56,57, no gpios +* group "audio0" internally muxes i2s0 or ac97 controller to the dedicated + audio0 pins. +* group "twsi" internally muxes twsi controller to the dedicated or option pins. diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e91c7cd..cd3d827 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -584,6 +584,7 @@ config ARCH_DOVE select GENERIC_CLOCKEVENTS select NEED_MACH_IO_H select PLAT_ORION + select PINCTRL help Support for the Marvell Dove SoC 88AP510 diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index b968335..e2427eb 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -147,7 +147,7 @@ config PINCTRL_COH901 config PINCTRL_MVEBU bool "Marvell SoC pin controller drivers" - depends on ARCH_MVEBU + depends on ARCH_MVEBU || ARCH_DOVE select PINMUX select PINCONF help @@ -155,6 +155,13 @@ config PINCTRL_MVEBU This is only the driver core and additionally needs a SoC specific driver. +config PINCTRL_DOVE + bool "Support for Marvell Dove SoCs" + depends on PINCTRL_MVEBU + help + Say yes here to support pinctrl driver on Marvell Dove SoCs + (88AP510). + source "drivers/pinctrl/spear/Kconfig" endmenu diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 007ed32..d1327df 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -30,5 +30,6 @@ obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o obj-$(CONFIG_PINCTRL_U300) += pinctrl-u300.o obj-$(CONFIG_PINCTRL_COH901) += pinctrl-coh901.o obj-$(CONFIG_PINCTRL_MVEBU) += pinctrl-mvebu.o +obj-$(CONFIG_PINCTRL_DOVE) += pinctrl-dove.o obj-$(CONFIG_PLAT_SPEAR) += spear/ diff --git a/drivers/pinctrl/pinctrl-dove.c b/drivers/pinctrl/pinctrl-dove.c new file mode 100644 index 0000000..b16de42 --- /dev/null +++ b/drivers/pinctrl/pinctrl-dove.c @@ -0,0 +1,622 @@ +/* + * Marvell Dove pinctrl driver based on mvebu pinctrl core + * + * Author: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pinctrl/pinctrl.h> + +#include "pinctrl-mvebu.h" + +#define DOVE_SB_REGS_VIRT_BASE 0xfde00000 +#define DOVE_MPP_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0200) +#define DOVE_PMU_MPP_GENERAL_CTRL (DOVE_MPP_VIRT_BASE + 0x10) +#define DOVE_AU0_AC97_SEL (1 << 16) +#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE | 0xe802C) +#define DOVE_TWSI_ENABLE_OPTION1 (1 << 7) +#define DOVE_GLOBAL_CONFIG_2 (DOVE_SB_REGS_VIRT_BASE | 0xe8030) +#define DOVE_TWSI_ENABLE_OPTION2 (1 << 20) +#define DOVE_TWSI_ENABLE_OPTION3 (1 << 21) +#define DOVE_TWSI_OPTION3_GPIO (1 << 22) +#define DOVE_SSP_CTRL_STATUS_1 (DOVE_SB_REGS_VIRT_BASE | 0xe8034) +#define DOVE_SSP_ON_AU1 (1 << 0) +#define DOVE_MPP_GENERAL_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xe803c) +#define DOVE_AU1_SPDIFO_GPIO_EN (1 << 1) +#define DOVE_NAND_GPIO_EN (1 << 0) +#define DOVE_GPIO_LO_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0400) +#define DOVE_MPP_CTRL4_VIRT_BASE (DOVE_GPIO_LO_VIRT_BASE + 0x40) +#define DOVE_SPI_GPIO_SEL (1 << 5) +#define DOVE_UART1_GPIO_SEL (1 << 4) +#define DOVE_AU1_GPIO_SEL (1 << 3) +#define DOVE_CAM_GPIO_SEL (1 << 2) +#define DOVE_SD1_GPIO_SEL (1 << 1) +#define DOVE_SD0_GPIO_SEL (1 << 0) + +static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned off = (ctrl->pid / 8) * 4; + unsigned shift = (ctrl->pid % 8) * 4; + unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL); + unsigned long mpp = readl(DOVE_MPP_VIRT_BASE + off); + + if (pmu & (1 << ctrl->pid)) + *config = 0x10; + else + *config = (mpp >> shift) & 0xf; + return 0; +} + +static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned off = (ctrl->pid / 8) * 4; + unsigned shift = (ctrl->pid % 8) * 4; + unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL); + unsigned long mpp = readl(DOVE_MPP_VIRT_BASE + off); + + if (config == 0x10) + writel(pmu | (1 << ctrl->pid), DOVE_PMU_MPP_GENERAL_CTRL); + else { + writel(pmu & ~(1 << ctrl->pid), DOVE_PMU_MPP_GENERAL_CTRL); + mpp &= ~(0xf << shift); + mpp |= config << shift; + writel(mpp, DOVE_MPP_VIRT_BASE + off); + } + return 0; +} + +static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE); + unsigned long mask; + + if (ctrl->pid == 24) + mask = DOVE_CAM_GPIO_SEL; + else if (ctrl->pid == 40) + mask = DOVE_SD0_GPIO_SEL; + else if (ctrl->pid == 46) + mask = DOVE_SD1_GPIO_SEL; + else if (ctrl->pid == 58) + mask = DOVE_SPI_GPIO_SEL; + else if (ctrl->pid == 62) + mask = DOVE_UART1_GPIO_SEL; + else + return -EINVAL; + + *config = ((mpp4 & mask) != 0); + + return 0; +} + +static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE); + unsigned long mask; + + if (ctrl->pid == 24) + mask = DOVE_CAM_GPIO_SEL; + else if (ctrl->pid == 40) + mask = DOVE_SD0_GPIO_SEL; + else if (ctrl->pid == 46) + mask = DOVE_SD1_GPIO_SEL; + else if (ctrl->pid == 58) + mask = DOVE_SPI_GPIO_SEL; + else if (ctrl->pid == 62) + mask = DOVE_UART1_GPIO_SEL; + else + return -EINVAL; + + mpp4 &= ~mask; + if (config) + mpp4 |= mask; + + writel(mpp4, DOVE_MPP_CTRL4_VIRT_BASE); + + return 0; +} + +static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE); + + *config = ((gmpp & DOVE_NAND_GPIO_EN) != 0); + + return 0; +} + +static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE); + + gmpp &= ~DOVE_NAND_GPIO_EN; + if (config) + gmpp |= DOVE_NAND_GPIO_EN; + + writel(gmpp, DOVE_MPP_GENERAL_VIRT_BASE); + + return 0; +} + +static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL); + + *config = ((pmu & DOVE_AU0_AC97_SEL) != 0); + + return 0; +} + +static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL); + + pmu &= ~DOVE_AU0_AC97_SEL; + if (config) + pmu |= DOVE_AU0_AC97_SEL; + writel(pmu, DOVE_PMU_MPP_GENERAL_CTRL); + + return 0; +} + +static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE); + unsigned long sspc1 = readl(DOVE_SSP_CTRL_STATUS_1); + unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE); + unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2); + + *config = 0; + if (mpp4 & DOVE_AU1_GPIO_SEL) + *config |= 0x8; + if (sspc1 & DOVE_SSP_ON_AU1) + *config |= 0x4; + if (gmpp & DOVE_AU1_SPDIFO_GPIO_EN) + *config |= 0x2; + if (gcfg2 & DOVE_TWSI_OPTION3_GPIO) + *config |= 0x1; + + /* SSP/TWSI only if I2S1 not set*/ + if ((*config & 0x8) == 0) + *config &= ~(0x4 | 0x1); + /* TWSI only if SPDIFO not set*/ + if ((*config & 0x2) == 0) + *config &= ~(0x1); + return 0; +} + +static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned long mpp4 = readl(DOVE_MPP_CTRL4_VIRT_BASE); + unsigned long sspc1 = readl(DOVE_SSP_CTRL_STATUS_1); + unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE); + unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2); + + if (config & 0x1) + gcfg2 |= DOVE_TWSI_OPTION3_GPIO; + if (config & 0x2) + gmpp |= DOVE_AU1_SPDIFO_GPIO_EN; + if (config & 0x4) + sspc1 |= DOVE_SSP_ON_AU1; + if (config & 0x8) + mpp4 |= DOVE_AU1_GPIO_SEL; + + writel(mpp4, DOVE_MPP_CTRL4_VIRT_BASE); + writel(sspc1, DOVE_SSP_CTRL_STATUS_1); + writel(gmpp, DOVE_MPP_GENERAL_VIRT_BASE); + writel(gcfg2, DOVE_GLOBAL_CONFIG_2); + + return 0; +} + +/* mpp[52:57] gpio pins depend heavily on current config; + * gpio_req does not try to mux in gpio capabilities to not + * break other functions. If you require all mpps as gpio + * enforce gpio setting by pinctrl mapping. + */ +static int dove_audio1_ctrl_gpio_req(struct mvebu_mpp_ctrl *ctrl, u8 pid) +{ + unsigned long config; + + dove_audio1_ctrl_get(ctrl, &config); + + switch (config) { + /* mode 0x00 i2s1/spdifo : no gpio */ + /* mode 0x0c ssp/spdifo : no gpio */ + /* mode 0x0f ssp/twsi : no gpio */ + case 0x00: + case 0x0c: + case 0x0f: + return -ENOTSUPP; + + /* mode 0x02 i2s1 : gpio[56:57] */ + /* mode 0x0e ssp : gpio[56:57] */ + case 0x02: + case 0x0e: + if (pid >= 56) + return 0; + + /* mode 0x08 spdifo : gpio[52:55] */ + /* mode 0x0b twsi : gpio[52:55] */ + case 0x08: + case 0x0b: + if (pid <= 55) + return 0; + + /* mode 0x0a/gpio : all gpio */ + case 0x0a: + return 0; + } + + return -ENOTSUPP; +} + +/* mpp[52:57] has gpio pins capable of in and out */ +static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl *ctrl, u8 pid, + bool input) +{ + return 0; +} + +static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned long gcfg1 = readl(DOVE_GLOBAL_CONFIG_1); + unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2); + + *config = 0; + if (gcfg1 & DOVE_TWSI_ENABLE_OPTION1) + *config = 0x1; + else if (gcfg2 & DOVE_TWSI_ENABLE_OPTION2) + *config = 0x2; + else if (gcfg2 & DOVE_TWSI_ENABLE_OPTION3) + *config = 0x3; + + return 0; +} + +static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned long gcfg1 = readl(DOVE_GLOBAL_CONFIG_1); + unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2); + + gcfg1 &= ~DOVE_TWSI_ENABLE_OPTION1; + gcfg2 &= ~(DOVE_TWSI_ENABLE_OPTION2 | DOVE_TWSI_ENABLE_OPTION2); + + switch (config) { + case 1: + gcfg1 |= DOVE_TWSI_ENABLE_OPTION1; + break; + case 2: + gcfg2 |= DOVE_TWSI_ENABLE_OPTION2; + break; + case 3: + gcfg2 |= DOVE_TWSI_ENABLE_OPTION3; + break; + } + + writel(gcfg1, DOVE_GLOBAL_CONFIG_1); + writel(gcfg2, DOVE_GLOBAL_CONFIG_2); + + return 0; +} + +static struct mvebu_mpp_ctrl dove_mpp_controls[] = { + MPP_FUNC_CTRL(0, 0, "mpp0", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(1, 1, "mpp1", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(2, 2, "mpp2", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(3, 3, "mpp3", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(4, 4, "mpp4", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(5, 5, "mpp5", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(6, 6, "mpp6", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(7, 7, "mpp7", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(8, 8, "mpp8", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(9, 9, "mpp9", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(10, 10, "mpp10", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(11, 11, "mpp11", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(12, 12, "mpp12", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(13, 13, "mpp13", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(14, 14, "mpp14", dove_pmu_mpp_ctrl), + MPP_FUNC_CTRL(15, 15, "mpp15", dove_pmu_mpp_ctrl), + MPP_REG_CTRL(16, 23), + MPP_FUNC_CTRL(24, 39, "mpp_camera", dove_mpp4_ctrl), + MPP_FUNC_CTRL(40, 45, "mpp_sdio0", dove_mpp4_ctrl), + MPP_FUNC_CTRL(46, 51, "mpp_sdio1", dove_mpp4_ctrl), + MPP_FUNC_GPIO_CTRL(52, 57, "mpp_audio1", dove_audio1_ctrl), + MPP_FUNC_CTRL(58, 61, "mpp_spi0", dove_mpp4_ctrl), + MPP_FUNC_CTRL(62, 63, "mpp_uart1", dove_mpp4_ctrl), + MPP_FUNC_CTRL(64, 71, "mpp_nand", dove_nand_ctrl), + MPP_FUNC_CTRL(72, 72, "audio0", dove_audio0_ctrl), + MPP_FUNC_CTRL(73, 73, "twsi", dove_twsi_ctrl), +}; + +static struct mvebu_mpp_mode dove_mpp_modes[] = { + MPP_MODE(0, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart2", "rts"), + MPP_FUNCTION(0x03, "sdio0", "cd"), + MPP_FUNCTION(0x0f, "lcd0", "pwm"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(1, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart2", "cts"), + MPP_FUNCTION(0x03, "sdio0", "wp"), + MPP_FUNCTION(0x0f, "lcd1", "pwm"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(2, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "sata", "prsnt"), + MPP_FUNCTION(0x02, "uart2", "txd"), + MPP_FUNCTION(0x03, "sdio0", "buspwr"), + MPP_FUNCTION(0x04, "uart1", "rts"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(3, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "sata", "act"), + MPP_FUNCTION(0x02, "uart2", "rxd"), + MPP_FUNCTION(0x03, "sdio0", "ledctrl"), + MPP_FUNCTION(0x04, "uart1", "cts"), + MPP_FUNCTION(0x0f, "lcd-spi", "cs1"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(4, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "rts"), + MPP_FUNCTION(0x03, "sdio1", "cd"), + MPP_FUNCTION(0x04, "spi1", "miso"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(5, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "cts"), + MPP_FUNCTION(0x03, "sdio1", "wp"), + MPP_FUNCTION(0x04, "spi1", "cs"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(6, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "txd"), + MPP_FUNCTION(0x03, "sdio1", "buspwr"), + MPP_FUNCTION(0x04, "spi1", "mosi"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(7, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "rxd"), + MPP_FUNCTION(0x03, "sdio1", "ledctrl"), + MPP_FUNCTION(0x04, "spi1", "sck"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(8, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "watchdog", "rstout"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(9, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x05, "pex1", "clkreq"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(10, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x05, "ssp", "sclk"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(11, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "sata", "prsnt"), + MPP_FUNCTION(0x02, "sata-1", "act"), + MPP_FUNCTION(0x03, "sdio0", "ledctrl"), + MPP_FUNCTION(0x04, "sdio1", "ledctrl"), + MPP_FUNCTION(0x05, "pex0", "clkreq"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(12, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "sata", "act"), + MPP_FUNCTION(0x02, "uart2", "rts"), + MPP_FUNCTION(0x03, "audio0", "extclk"), + MPP_FUNCTION(0x04, "sdio1", "cd"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(13, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart2", "cts"), + MPP_FUNCTION(0x03, "audio1", "extclk"), + MPP_FUNCTION(0x04, "sdio1", "wp"), + MPP_FUNCTION(0x05, "ssp", "extclk"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(14, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart2", "txd"), + MPP_FUNCTION(0x04, "sdio1", "buspwr"), + MPP_FUNCTION(0x05, "ssp", "rxd"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(15, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart2", "rxd"), + MPP_FUNCTION(0x04, "sdio1", "ledctrl"), + MPP_FUNCTION(0x05, "ssp", "sfrm"), + MPP_FUNCTION(0x10, "pmu", NULL)), + MPP_MODE(16, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "rts"), + MPP_FUNCTION(0x03, "sdio0", "cd"), + MPP_FUNCTION(0x04, "lcd-spi", "cs1"), + MPP_FUNCTION(0x05, "ac97", "sdi1")), + MPP_MODE(17, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "ac97-1", "sysclko"), + MPP_FUNCTION(0x02, "uart3", "cts"), + MPP_FUNCTION(0x03, "sdio0", "wp"), + MPP_FUNCTION(0x04, "twsi", "sda"), + MPP_FUNCTION(0x05, "ac97", "sdi2")), + MPP_MODE(18, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "txd"), + MPP_FUNCTION(0x03, "sdio0", "buspwr"), + MPP_FUNCTION(0x04, "lcd0", "pwm"), + MPP_FUNCTION(0x05, "ac97", "sdi3")), + MPP_MODE(19, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "uart3", "rxd"), + MPP_FUNCTION(0x03, "sdio0", "ledctrl"), + MPP_FUNCTION(0x04, "twsi", "sck")), + MPP_MODE(20, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "ac97", "sysclko"), + MPP_FUNCTION(0x02, "lcd-spi", "miso"), + MPP_FUNCTION(0x03, "sdio1", "cd"), + MPP_FUNCTION(0x05, "sdio0", "cd"), + MPP_FUNCTION(0x06, "spi1", "miso")), + MPP_MODE(21, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "uart1", "rts"), + MPP_FUNCTION(0x02, "lcd-spi", "cs0"), + MPP_FUNCTION(0x03, "sdio1", "wp"), + MPP_FUNCTION(0x04, "ssp", "sfrm"), + MPP_FUNCTION(0x05, "sdio0", "wp"), + MPP_FUNCTION(0x06, "spi1", "cs")), + MPP_MODE(22, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x01, "uart1", "cts"), + MPP_FUNCTION(0x02, "lcd-spi", "mosi"), + MPP_FUNCTION(0x03, "sdio1", "buspwr"), + MPP_FUNCTION(0x04, "ssp", "txd"), + MPP_FUNCTION(0x05, "sdio0", "buspwr"), + MPP_FUNCTION(0x06, "spi1", "mosi")), + MPP_MODE(23, + MPP_FUNCTION(0x00, "gpio", NULL), + MPP_FUNCTION(0x02, "lcd-spi", "sck"), + MPP_FUNCTION(0x03, "sdio1", "ledctrl"), + MPP_FUNCTION(0x04, "ssp", "sclk"), + MPP_FUNCTION(0x05, "sdio0", "ledctrl"), + MPP_FUNCTION(0x06, "spi1", "sck")), + MPP_MODE(24, + MPP_FUNCTION(0x00, "camera", NULL), + MPP_FUNCTION(0x01, "gpio", NULL)), + MPP_MODE(40, + MPP_FUNCTION(0x00, "sdio0", NULL), + MPP_FUNCTION(0x01, "gpio", NULL)), + MPP_MODE(46, + MPP_FUNCTION(0x00, "sdio1", NULL), + MPP_FUNCTION(0x01, "gpio", NULL)), + MPP_MODE(52, + MPP_FUNCTION(0x00, "i2s1/spdifo", NULL), + MPP_FUNCTION(0x02, "i2s1", NULL), + MPP_FUNCTION(0x08, "spdifo", NULL), + MPP_FUNCTION(0x0a, "gpio", NULL), + MPP_FUNCTION(0x0b, "twsi", NULL), + MPP_FUNCTION(0x0c, "ssp/spdifo", NULL), + MPP_FUNCTION(0x0e, "ssp", NULL), + MPP_FUNCTION(0x0f, "ssp/twsi", NULL)), + MPP_MODE(58, + MPP_FUNCTION(0x00, "spi0", NULL), + MPP_FUNCTION(0x01, "gpio", NULL)), + MPP_MODE(62, + MPP_FUNCTION(0x00, "uart1", NULL), + MPP_FUNCTION(0x01, "gpio", NULL)), + MPP_MODE(64, + MPP_FUNCTION(0x00, "nand", NULL), + MPP_FUNCTION(0x01, "gpo", NULL)), + MPP_MODE(72, + MPP_FUNCTION(0x00, "i2s", NULL), + MPP_FUNCTION(0x01, "ac97", NULL)), + MPP_MODE(73, + MPP_FUNCTION(0x00, "none", NULL), + MPP_FUNCTION(0x01, "opt1", NULL), + MPP_FUNCTION(0x02, "opt2", NULL), + MPP_FUNCTION(0x03, "opt3", NULL)), +}; + +static struct pinctrl_gpio_range dove_mpp_gpio_ranges[] = { + MPP_GPIO_RANGE(0, 0, 0, 32), + MPP_GPIO_RANGE(1, 32, 32, 32), + MPP_GPIO_RANGE(2, 64, 64, 8), +}; + +static struct mvebu_pinctrl_soc_info dove_pinctrl_info = { + .controls = dove_mpp_controls, + .ncontrols = ARRAY_SIZE(dove_mpp_controls), + .modes = dove_mpp_modes, + .nmodes = ARRAY_SIZE(dove_mpp_modes), + .gpioranges = dove_mpp_gpio_ranges, + .ngpioranges = ARRAY_SIZE(dove_mpp_gpio_ranges), + .variant = 0, +}; + +static struct clk *pdma_clk; + +static struct of_device_id dove_pinctrl_of_match[] __devinitdata = { + { .compatible = "marvell,dove-pinctrl", .data = &dove_pinctrl_info }, + { } +}; + +static int __devinit dove_pinctrl_probe(struct platform_device *pdev) +{ + const struct of_device_id *match = + of_match_device(dove_pinctrl_of_match, &pdev->dev); + int ret; + + if (match) + pdev->dev.platform_data = match->data; + + /* + * General MPP Configuration Register is part of pdma registers. + * grab clk to make sure it is clocked. + */ + pdma_clk = clk_get_sys("dove-pdma", NULL); + if (IS_ERR(pdma_clk)) { + dev_err(&pdev->dev, "unable to get pdma clk\n"); + return -ENODEV; + } + + clk_prepare_enable(pdma_clk); + ret = mvebu_pinctrl_probe(pdev); + if (!ret) + return 0; + + clk_disable_unprepare(pdma_clk); + clk_put(pdma_clk); + return ret; +} + +static int __devexit dove_pinctrl_remove(struct platform_device *pdev) +{ + int ret; + + ret = mvebu_pinctrl_remove(pdev); + if (!IS_ERR(pdma_clk)) { + clk_disable_unprepare(pdma_clk); + clk_put(pdma_clk); + } + return ret; +} + +static struct platform_driver dove_pinctrl_driver = { + .driver = { + .name = "dove-pinctrl", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(dove_pinctrl_of_match), + }, + .probe = dove_pinctrl_probe, + .remove = __devexit_p(dove_pinctrl_remove), +}; + +module_platform_driver(dove_pinctrl_driver); + +MODULE_AUTHOR("Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>"); +MODULE_DESCRIPTION("Marvell Dove pinctrl driver"); +MODULE_LICENSE("GPL v2"); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html