dm: mmc: Remove use of fdtdec GPIO support

These functions are going away, so use the new uclass support instead.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/include/asm/arch-tegra/tegra_mmc.h

@@ -10,6 +10,7 @@
 #define __TEGRA_MMC_H_
 
 #include <fdtdec.h>
+#include <asm/gpio.h>
 
 /* for mmc_config definition */
 #include <mmc.h>
@@ -134,9 +135,9 @@ struct mmc_host {
 	int enabled;		/* 1 to enable, 0 to disable */
 	int width;		/* Bus Width, 1, 4 or 8 */
 	enum periph_id mmc_id;	/* Peripheral ID: PERIPH_ID_... */
-	struct fdt_gpio_state cd_gpio;		/* Change Detect GPIO */
-	struct fdt_gpio_state pwr_gpio;		/* Power GPIO */
-	struct fdt_gpio_state wp_gpio;		/* Write Protect GPIO */
+	struct gpio_desc cd_gpio;	/* Change Detect GPIO */
+	struct gpio_desc pwr_gpio;	/* Power GPIO */
+	struct gpio_desc wp_gpio;	/* Write Protect GPIO */
 	unsigned int version;	/* SDHCI spec. version */
 	unsigned int clock;	/* Current clock (MHz) */
 	struct mmc_config cfg;	/* mmc configuration */

drivers/mmc/s5p_sdhci.c

@@ -102,17 +102,14 @@ struct sdhci_host sdhci_host[SDHCI_MAX_HOSTS];
 
 static int do_sdhci_init(struct sdhci_host *host)
 {
-	char str[20];
 	int dev_id, flag;
 	int err = 0;
 
 	flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
 	dev_id = host->index + PERIPH_ID_SDMMC0;
 
-	if (fdt_gpio_isvalid(&host->pwr_gpio)) {
-		sprintf(str, "sdhci%d_power", host->index & 0xf);
-		gpio_request(host->pwr_gpio.gpio, str);
-		gpio_direction_output(host->pwr_gpio.gpio, 1);
+	if (dm_gpio_is_valid(&host->pwr_gpio)) {
+		dm_gpio_set_value(&host->pwr_gpio, 1);
 		err = exynos_pinmux_config(dev_id, flag);
 		if (err) {
 			debug("MMC not configured\n");
@@ -120,11 +117,8 @@ static int do_sdhci_init(struct sdhci_host *host)
 		}
 	}
 
-	if (fdt_gpio_isvalid(&host->cd_gpio)) {
-		sprintf(str, "sdhci%d_cd", host->index & 0xf);
-		gpio_request(host->cd_gpio.gpio, str);
-		gpio_direction_input(host->cd_gpio.gpio);
-		if (gpio_get_value(host->cd_gpio.gpio))
+	if (dm_gpio_is_valid(&host->cd_gpio)) {
+		if (dm_gpio_get_value(&host->cd_gpio))
 			return -ENODEV;
 
 		err = exynos_pinmux_config(dev_id, flag);
@@ -166,8 +160,10 @@ static int sdhci_get_config(const void *blob, int node, struct sdhci_host *host)
 	}
 	host->ioaddr = (void *)base;
 
-	fdtdec_decode_gpio(blob, node, "pwr-gpios", &host->pwr_gpio);
-	fdtdec_decode_gpio(blob, node, "cd-gpios", &host->cd_gpio);
+	gpio_request_by_name_nodev(blob, node, "pwr-gpios", 0, &host->pwr_gpio,
+				   GPIOD_IS_OUT);
+	gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
+				   GPIOD_IS_IN);
 
 	return 0;
 }

drivers/mmc/tegra_mmc.c

@@ -515,8 +515,8 @@ static int tegra_mmc_getcd(struct mmc *mmc)
 
 	debug("tegra_mmc_getcd called\n");
 
-	if (fdt_gpio_isvalid(&host->cd_gpio))
-		return fdtdec_get_gpio(&host->cd_gpio);
+	if (dm_gpio_is_valid(&host->cd_gpio))
+		return dm_gpio_get_value(&host->cd_gpio);
 
 	return 1;
 }
@@ -531,7 +531,6 @@ static const struct mmc_ops tegra_mmc_ops = {
 static int do_mmc_init(int dev_index)
 {
 	struct mmc_host *host;
-	char gpusage[12]; /* "SD/MMCn PWR" or "SD/MMCn CD" */
 	struct mmc *mmc;
 
 	/* DT should have been read & host config filled in */
@@ -539,27 +538,15 @@ static int do_mmc_init(int dev_index)
 	if (!host->enabled)
 		return -1;
 
-	debug(" do_mmc_init: index %d, bus width %d "
-		"pwr_gpio %d cd_gpio %d\n",
-		dev_index, host->width,
-		host->pwr_gpio.gpio, host->cd_gpio.gpio);
+	debug(" do_mmc_init: index %d, bus width %d pwr_gpio %d cd_gpio %d\n",
+	      dev_index, host->width, gpio_get_number(&host->pwr_gpio),
+	      gpio_get_number(&host->cd_gpio));
 
 	host->clock = 0;
 	clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000);
 
-	if (fdt_gpio_isvalid(&host->pwr_gpio)) {
-		sprintf(gpusage, "SD/MMC%d PWR", dev_index);
-		gpio_request(host->pwr_gpio.gpio, gpusage);
-		gpio_direction_output(host->pwr_gpio.gpio, 1);
-		debug(" Power GPIO name = %s\n", host->pwr_gpio.name);
-	}
-
-	if (fdt_gpio_isvalid(&host->cd_gpio)) {
-		sprintf(gpusage, "SD/MMC%d CD", dev_index);
-		gpio_request(host->cd_gpio.gpio, gpusage);
-		gpio_direction_input(host->cd_gpio.gpio);
-		debug(" CD GPIO name = %s\n", host->cd_gpio.name);
-	}
+	if (dm_gpio_is_valid(&host->pwr_gpio))
+		dm_gpio_set_value(&host->pwr_gpio, 1);
 
 	memset(&host->cfg, 0, sizeof(host->cfg));
 
@@ -626,9 +613,12 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host)
 		debug("%s: no sdmmc width found\n", __func__);
 
 	/* These GPIOs are optional */
-	fdtdec_decode_gpio(blob, node, "cd-gpios", &host->cd_gpio);
-	fdtdec_decode_gpio(blob, node, "wp-gpios", &host->wp_gpio);
-	fdtdec_decode_gpio(blob, node, "power-gpios", &host->pwr_gpio);
+	gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
+				   GPIOD_IS_IN);
+	gpio_request_by_name_nodev(blob, node, "wp-gpios", 0, &host->wp_gpio,
+				   GPIOD_IS_IN);
+	gpio_request_by_name_nodev(blob, node, "power-gpios", 0,
+				   &host->pwr_gpio, GPIOD_IS_OUT);
 
 	debug("%s: found controller at %p, width = %d, periph_id = %d\n",
 		__func__, host->reg, host->width, host->mmc_id);

include/sdhci.h

@@ -12,7 +12,7 @@
 
 #include <asm/io.h>
 #include <mmc.h>
-#include <fdtdec.h>
+#include <asm/gpio.h>
 
 /*
  * Controller registers
@@ -246,8 +246,8 @@ struct sdhci_host {
 	int index;
 
 	int bus_width;
-	struct fdt_gpio_state pwr_gpio;	/* Power GPIO */
-	struct fdt_gpio_state cd_gpio;		/* Card Detect GPIO */
+	struct gpio_desc pwr_gpio;	/* Power GPIO */
+	struct gpio_desc cd_gpio;		/* Card Detect GPIO */
 
 	void (*set_control_reg)(struct sdhci_host *host);
 	void (*set_clock)(int dev_index, unsigned int div);