| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Marvell Dove pinctrl driver based on mvebu pinctrl core |
| * |
| * Author: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> |
| */ |
| |
| #include <linux/err.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| #include <linux/bitops.h> |
| #include <linux/platform_device.h> |
| #include <linux/clk.h> |
| #include <linux/of.h> |
| #include <linux/mfd/syscon.h> |
| #include <linux/pinctrl/pinctrl.h> |
| #include <linux/property.h> |
| #include <linux/regmap.h> |
| |
| #include "pinctrl-mvebu.h" |
| |
| /* Internal registers can be configured at any 1 MiB aligned address */ |
| #define INT_REGS_MASK ~(SZ_1M - 1) |
| #define MPP4_REGS_OFFS 0xd0440 |
| #define PMU_REGS_OFFS 0xd802c |
| #define GC_REGS_OFFS 0xe802c |
| |
| /* MPP Base registers */ |
| #define PMU_MPP_GENERAL_CTRL 0x10 |
| #define AU0_AC97_SEL BIT(16) |
| |
| /* MPP Control 4 register */ |
| #define SPI_GPIO_SEL BIT(5) |
| #define UART1_GPIO_SEL BIT(4) |
| #define AU1_GPIO_SEL BIT(3) |
| #define CAM_GPIO_SEL BIT(2) |
| #define SD1_GPIO_SEL BIT(1) |
| #define SD0_GPIO_SEL BIT(0) |
| |
| /* PMU Signal Select registers */ |
| #define PMU_SIGNAL_SELECT_0 0x00 |
| #define PMU_SIGNAL_SELECT_1 0x04 |
| |
| /* Global Config regmap registers */ |
| #define GLOBAL_CONFIG_1 0x00 |
| #define TWSI_ENABLE_OPTION1 BIT(7) |
| #define GLOBAL_CONFIG_2 0x04 |
| #define TWSI_ENABLE_OPTION2 BIT(20) |
| #define TWSI_ENABLE_OPTION3 BIT(21) |
| #define TWSI_OPTION3_GPIO BIT(22) |
| #define SSP_CTRL_STATUS_1 0x08 |
| #define SSP_ON_AU1 BIT(0) |
| #define MPP_GENERAL_CONFIG 0x10 |
| #define AU1_SPDIFO_GPIO_EN BIT(1) |
| #define NAND_GPIO_EN BIT(0) |
| |
| #define CONFIG_PMU BIT(4) |
| |
| static void __iomem *mpp4_base; |
| static void __iomem *pmu_base; |
| static struct regmap *gconfmap; |
| |
| static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl_data *data, |
| unsigned pid, unsigned long *config) |
| { |
| unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; |
| unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; |
| unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL); |
| unsigned long func; |
| |
| if ((pmu & BIT(pid)) == 0) |
| return mvebu_mmio_mpp_ctrl_get(data, pid, config); |
| |
| func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off); |
| *config = (func >> shift) & MVEBU_MPP_MASK; |
| *config |= CONFIG_PMU; |
| |
| return 0; |
| } |
| |
| static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl_data *data, |
| unsigned pid, unsigned long config) |
| { |
| unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; |
| unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; |
| unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL); |
| unsigned long func; |
| |
| if ((config & CONFIG_PMU) == 0) { |
| writel(pmu & ~BIT(pid), data->base + PMU_MPP_GENERAL_CTRL); |
| return mvebu_mmio_mpp_ctrl_set(data, pid, config); |
| } |
| |
| writel(pmu | BIT(pid), data->base + PMU_MPP_GENERAL_CTRL); |
| func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off); |
| func &= ~(MVEBU_MPP_MASK << shift); |
| func |= (config & MVEBU_MPP_MASK) << shift; |
| writel(func, pmu_base + PMU_SIGNAL_SELECT_0 + off); |
| |
| return 0; |
| } |
| |
| static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long *config) |
| { |
| unsigned long mpp4 = readl(mpp4_base); |
| unsigned long mask; |
| |
| switch (pid) { |
| case 24: /* mpp_camera */ |
| mask = CAM_GPIO_SEL; |
| break; |
| case 40: /* mpp_sdio0 */ |
| mask = SD0_GPIO_SEL; |
| break; |
| case 46: /* mpp_sdio1 */ |
| mask = SD1_GPIO_SEL; |
| break; |
| case 58: /* mpp_spi0 */ |
| mask = SPI_GPIO_SEL; |
| break; |
| case 62: /* mpp_uart1 */ |
| mask = UART1_GPIO_SEL; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| *config = ((mpp4 & mask) != 0); |
| |
| return 0; |
| } |
| |
| static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long config) |
| { |
| unsigned long mpp4 = readl(mpp4_base); |
| unsigned long mask; |
| |
| switch (pid) { |
| case 24: /* mpp_camera */ |
| mask = CAM_GPIO_SEL; |
| break; |
| case 40: /* mpp_sdio0 */ |
| mask = SD0_GPIO_SEL; |
| break; |
| case 46: /* mpp_sdio1 */ |
| mask = SD1_GPIO_SEL; |
| break; |
| case 58: /* mpp_spi0 */ |
| mask = SPI_GPIO_SEL; |
| break; |
| case 62: /* mpp_uart1 */ |
| mask = UART1_GPIO_SEL; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| mpp4 &= ~mask; |
| if (config) |
| mpp4 |= mask; |
| |
| writel(mpp4, mpp4_base); |
| |
| return 0; |
| } |
| |
| static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long *config) |
| { |
| unsigned int gmpp; |
| |
| regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp); |
| *config = ((gmpp & NAND_GPIO_EN) != 0); |
| |
| return 0; |
| } |
| |
| static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long config) |
| { |
| regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG, |
| NAND_GPIO_EN, |
| (config) ? NAND_GPIO_EN : 0); |
| return 0; |
| } |
| |
| static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long *config) |
| { |
| unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL); |
| |
| *config = ((pmu & AU0_AC97_SEL) != 0); |
| |
| return 0; |
| } |
| |
| static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long config) |
| { |
| unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL); |
| |
| pmu &= ~AU0_AC97_SEL; |
| if (config) |
| pmu |= AU0_AC97_SEL; |
| writel(pmu, data->base + PMU_MPP_GENERAL_CTRL); |
| |
| return 0; |
| } |
| |
| static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long *config) |
| { |
| unsigned int mpp4 = readl(mpp4_base); |
| unsigned int sspc1; |
| unsigned int gmpp; |
| unsigned int gcfg2; |
| |
| regmap_read(gconfmap, SSP_CTRL_STATUS_1, &sspc1); |
| regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp); |
| regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2); |
| |
| *config = 0; |
| if (mpp4 & AU1_GPIO_SEL) |
| *config |= BIT(3); |
| if (sspc1 & SSP_ON_AU1) |
| *config |= BIT(2); |
| if (gmpp & AU1_SPDIFO_GPIO_EN) |
| *config |= BIT(1); |
| if (gcfg2 & TWSI_OPTION3_GPIO) |
| *config |= BIT(0); |
| |
| /* SSP/TWSI only if I2S1 not set*/ |
| if ((*config & BIT(3)) == 0) |
| *config &= ~(BIT(2) | BIT(0)); |
| /* TWSI only if SPDIFO not set*/ |
| if ((*config & BIT(1)) == 0) |
| *config &= ~BIT(0); |
| return 0; |
| } |
| |
| static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long config) |
| { |
| unsigned int mpp4 = readl(mpp4_base); |
| |
| mpp4 &= ~AU1_GPIO_SEL; |
| if (config & BIT(3)) |
| mpp4 |= AU1_GPIO_SEL; |
| writel(mpp4, mpp4_base); |
| |
| regmap_update_bits(gconfmap, SSP_CTRL_STATUS_1, |
| SSP_ON_AU1, |
| (config & BIT(2)) ? SSP_ON_AU1 : 0); |
| regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG, |
| AU1_SPDIFO_GPIO_EN, |
| (config & BIT(1)) ? AU1_SPDIFO_GPIO_EN : 0); |
| regmap_update_bits(gconfmap, GLOBAL_CONFIG_2, |
| TWSI_OPTION3_GPIO, |
| (config & BIT(0)) ? TWSI_OPTION3_GPIO : 0); |
| |
| 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_data *data, |
| unsigned pid) |
| { |
| unsigned long config; |
| |
| dove_audio1_ctrl_get(data, pid, &config); |
| |
| switch (config) { |
| case 0x02: /* i2s1 : gpio[56:57] */ |
| case 0x0e: /* ssp : gpio[56:57] */ |
| if (pid >= 56) |
| return 0; |
| return -ENOTSUPP; |
| case 0x08: /* spdifo : gpio[52:55] */ |
| case 0x0b: /* twsi : gpio[52:55] */ |
| if (pid <= 55) |
| return 0; |
| return -ENOTSUPP; |
| case 0x0a: /* all gpio */ |
| return 0; |
| /* 0x00 : i2s1/spdifo : no gpio */ |
| /* 0x0c : ssp/spdifo : no gpio */ |
| /* 0x0f : ssp/twsi : no gpio */ |
| } |
| return -ENOTSUPP; |
| } |
| |
| /* mpp[52:57] has gpio pins capable of in and out */ |
| static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl_data *data, |
| unsigned pid, bool input) |
| { |
| if (pid < 52 || pid > 57) |
| return -ENOTSUPP; |
| return 0; |
| } |
| |
| static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long *config) |
| { |
| unsigned int gcfg1; |
| unsigned int gcfg2; |
| |
| regmap_read(gconfmap, GLOBAL_CONFIG_1, &gcfg1); |
| regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2); |
| |
| *config = 0; |
| if (gcfg1 & TWSI_ENABLE_OPTION1) |
| *config = 1; |
| else if (gcfg2 & TWSI_ENABLE_OPTION2) |
| *config = 2; |
| else if (gcfg2 & TWSI_ENABLE_OPTION3) |
| *config = 3; |
| |
| return 0; |
| } |
| |
| static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid, |
| unsigned long config) |
| { |
| unsigned int gcfg1 = 0; |
| unsigned int gcfg2 = 0; |
| |
| switch (config) { |
| case 1: |
| gcfg1 = TWSI_ENABLE_OPTION1; |
| break; |
| case 2: |
| gcfg2 = TWSI_ENABLE_OPTION2; |
| break; |
| case 3: |
| gcfg2 = TWSI_ENABLE_OPTION3; |
| break; |
| } |
| |
| regmap_update_bits(gconfmap, GLOBAL_CONFIG_1, |
| TWSI_ENABLE_OPTION1, |
| gcfg1); |
| regmap_update_bits(gconfmap, GLOBAL_CONFIG_2, |
| TWSI_ENABLE_OPTION2 | TWSI_ENABLE_OPTION3, |
| gcfg2); |
| |
| return 0; |
| } |
| |
| static const struct mvebu_mpp_ctrl dove_mpp_controls[] = { |
| MPP_FUNC_CTRL(0, 15, NULL, dove_pmu_mpp_ctrl), |
| MPP_FUNC_CTRL(16, 23, NULL, mvebu_mmio_mpp_ctrl), |
| 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)), |
| MPP_MODE(8, |
| MPP_FUNCTION(0x00, "gpio", NULL), |
| MPP_FUNCTION(0x01, "watchdog", "rstout"), |
| MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)), |
| MPP_MODE(9, |
| MPP_FUNCTION(0x00, "gpio", NULL), |
| MPP_FUNCTION(0x05, "pex1", "clkreq"), |
| MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)), |
| MPP_MODE(10, |
| MPP_FUNCTION(0x00, "gpio", NULL), |
| MPP_FUNCTION(0x05, "ssp", "sclk"), |
| MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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(CONFIG_PMU | 0x0, "pmu-nc", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"), |
| MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL), |
| MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", 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, "twsi-none", NULL), |
| MPP_FUNCTION(0x01, "twsi-opt1", NULL), |
| MPP_FUNCTION(0x02, "twsi-opt2", NULL), |
| MPP_FUNCTION(0x03, "twsi-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 *clk; |
| |
| static const struct of_device_id dove_pinctrl_of_match[] = { |
| { .compatible = "marvell,dove-pinctrl", .data = &dove_pinctrl_info }, |
| { } |
| }; |
| |
| static const struct regmap_config gc_regmap_config = { |
| .reg_bits = 32, |
| .val_bits = 32, |
| .reg_stride = 4, |
| .max_register = 5, |
| }; |
| |
| static int dove_pinctrl_probe(struct platform_device *pdev) |
| { |
| struct resource *res, *mpp_res; |
| struct resource fb_res; |
| struct mvebu_mpp_ctrl_data *mpp_data; |
| void __iomem *base; |
| int i, ret; |
| |
| pdev->dev.platform_data = (void *)device_get_match_data(&pdev->dev); |
| |
| /* |
| * General MPP Configuration Register is part of pdma registers. |
| * grab clk to make sure it is ticking. |
| */ |
| clk = devm_clk_get(&pdev->dev, NULL); |
| if (IS_ERR(clk)) { |
| dev_err(&pdev->dev, "Unable to get pdma clock"); |
| return PTR_ERR(clk); |
| } |
| clk_prepare_enable(clk); |
| |
| base = devm_platform_get_and_ioremap_resource(pdev, 0, &mpp_res); |
| if (IS_ERR(base)) { |
| ret = PTR_ERR(base); |
| goto err_probe; |
| } |
| |
| mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols, |
| sizeof(*mpp_data), GFP_KERNEL); |
| if (!mpp_data) { |
| ret = -ENOMEM; |
| goto err_probe; |
| } |
| |
| dove_pinctrl_info.control_data = mpp_data; |
| for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++) |
| mpp_data[i].base = base; |
| |
| /* prepare fallback resource */ |
| memcpy(&fb_res, mpp_res, sizeof(struct resource)); |
| fb_res.start = 0; |
| |
| res = platform_get_resource(pdev, IORESOURCE_MEM, 1); |
| if (!res) { |
| dev_warn(&pdev->dev, "falling back to hardcoded MPP4 resource\n"); |
| adjust_resource(&fb_res, |
| (mpp_res->start & INT_REGS_MASK) + MPP4_REGS_OFFS, 0x4); |
| res = &fb_res; |
| } |
| |
| mpp4_base = devm_ioremap_resource(&pdev->dev, res); |
| if (IS_ERR(mpp4_base)) { |
| ret = PTR_ERR(mpp4_base); |
| goto err_probe; |
| } |
| |
| res = platform_get_resource(pdev, IORESOURCE_MEM, 2); |
| if (!res) { |
| dev_warn(&pdev->dev, "falling back to hardcoded PMU resource\n"); |
| adjust_resource(&fb_res, |
| (mpp_res->start & INT_REGS_MASK) + PMU_REGS_OFFS, 0x8); |
| res = &fb_res; |
| } |
| |
| pmu_base = devm_ioremap_resource(&pdev->dev, res); |
| if (IS_ERR(pmu_base)) { |
| ret = PTR_ERR(pmu_base); |
| goto err_probe; |
| } |
| |
| gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config"); |
| if (IS_ERR(gconfmap)) { |
| void __iomem *gc_base; |
| |
| dev_warn(&pdev->dev, "falling back to hardcoded global registers\n"); |
| adjust_resource(&fb_res, |
| (mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14); |
| gc_base = devm_ioremap_resource(&pdev->dev, &fb_res); |
| if (IS_ERR(gc_base)) { |
| ret = PTR_ERR(gc_base); |
| goto err_probe; |
| } |
| |
| gconfmap = devm_regmap_init_mmio(&pdev->dev, |
| gc_base, &gc_regmap_config); |
| if (IS_ERR(gconfmap)) { |
| ret = PTR_ERR(gconfmap); |
| goto err_probe; |
| } |
| } |
| |
| /* Warn on any missing DT resource */ |
| if (fb_res.start) |
| dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n"); |
| |
| return mvebu_pinctrl_probe(pdev); |
| err_probe: |
| clk_disable_unprepare(clk); |
| return ret; |
| } |
| |
| static struct platform_driver dove_pinctrl_driver = { |
| .driver = { |
| .name = "dove-pinctrl", |
| .suppress_bind_attrs = true, |
| .of_match_table = dove_pinctrl_of_match, |
| }, |
| .probe = dove_pinctrl_probe, |
| }; |
| builtin_platform_driver(dove_pinctrl_driver); |
