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path: root/drivers/pinctrl/mvebu/pinctrl-dove.c
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Diffstat (limited to 'drivers/pinctrl/mvebu/pinctrl-dove.c')
-rw-r--r--drivers/pinctrl/mvebu/pinctrl-dove.c864
1 files changed, 864 insertions, 0 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
new file mode 100644
index 000000000..8472f61f2
--- /dev/null
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -0,0 +1,864 @@
+/*
+ * 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 01:02:57 +0000