| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sebastian Hesselbarth | 5599 | 96.65% | 15 | 65.22% |
| Russell King | 177 | 3.06% | 3 | 13.04% |
| Paul Gortmaker | 6 | 0.10% | 1 | 4.35% |
| Andrew Lunn | 4 | 0.07% | 1 | 4.35% |
| Axel Lin | 4 | 0.07% | 1 | 4.35% |
| Krzysztof Kozlowski | 2 | 0.03% | 1 | 4.35% |
| Rusty Russell | 1 | 0.02% | 1 | 4.35% |
| Total | 5793 | 23 |
/* * Marvell Dove pinctrl driver based on mvebu pinctrl core * * Author: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> * * 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/bitops.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/mfd/syscon.h> #include <linux/pinctrl/pinctrl.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; const struct of_device_id *match = of_match_device(dove_pinctrl_of_match, &pdev->dev); struct mvebu_mpp_ctrl_data *mpp_data; void __iomem *base; int i; pdev->dev.platform_data = (void *)match->data; /* * 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); mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, mpp_res); if (IS_ERR(base)) return PTR_ERR(base); mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols, sizeof(*mpp_data), GFP_KERNEL); if (!mpp_data) return -ENOMEM; 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)) return PTR_ERR(mpp4_base); 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)) return PTR_ERR(pmu_base); 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)) return PTR_ERR(gc_base); gconfmap = devm_regmap_init_mmio(&pdev->dev, gc_base, &gc_regmap_config); if (IS_ERR(gconfmap)) return PTR_ERR(gconfmap); } /* 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); } 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);
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