ARM: pxa: Add GPIO descriptors for Palm27x

The Palm27x devices set up the MMC card detect and
write protect lines with a special helper function.
Augment this helper function to also accept an optional
GPIO descriptor table and pass and register this for
all the Palm27x devices in that family.

Cc: Daniel Mack <daniel@zonque.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Andrea Adami <andrea.adami@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

arch/arm/mach-pxa/palm27x.c

@@ -49,7 +49,10 @@ static struct pxamci_platform_data palm27x_mci_platform_data = {
 	.detect_delay_ms	= 200,
 };
 
-void __init palm27x_mmc_init(int detect, int ro, int power,
+void __init palm27x_mmc_init(struct gpiod_lookup_table *gtable,
+			     int detect,
+			     int ro,
+			     int power,
 			     int power_inverted)
 {
 	palm27x_mci_platform_data.gpio_card_detect	= detect;
@@ -57,6 +60,8 @@ void __init palm27x_mmc_init(int detect, int ro, int power,
 	palm27x_mci_platform_data.gpio_power		= power;
 	palm27x_mci_platform_data.gpio_power_invert	= power_inverted;
 
+	if (gtable)
+		gpiod_add_lookup_table(gtable);
 	pxa_set_mci_info(&palm27x_mci_platform_data);
 }
 #endif

arch/arm/mach-pxa/palm27x.h

@@ -12,11 +12,19 @@
 #ifndef	__INCLUDE_MACH_PALM27X__
 #define	__INCLUDE_MACH_PALM27X__
 
+#include <linux/gpio/machine.h>
+
 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
-extern void __init palm27x_mmc_init(int detect, int ro, int power,
+extern void __init palm27x_mmc_init(struct gpiod_lookup_table *gtable,
+				    int detect,
+				    int ro,
+				    int power,
 				    int power_inverted);
 #else
-static inline void palm27x_mmc_init(int detect, int ro, int power,
+static inline void palm27x_mmc_init(struct gpiod_lookup_table *gtable,
+				    int detect,
+				    int ro,
+				    int power,
 				    int power_inverted)
 {}
 #endif

arch/arm/mach-pxa/palmld.c

@@ -320,6 +320,17 @@ static void __init palmld_map_io(void)
 	iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
 }
 
+static struct gpiod_lookup_table palmld_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_READONLY,
+			    "wp", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static void __init palmld_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
@@ -327,7 +338,9 @@ static void __init palmld_init(void)
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 
-	palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
+	palm27x_mmc_init(&palmld_mci_gpio_table,
+			 GPIO_NR_PALMLD_SD_DETECT_N,
+			 GPIO_NR_PALMLD_SD_READONLY,
 			 GPIO_NR_PALMLD_SD_POWER, 0);
 	palm27x_pm_init(PALMLD_STR_BASE);
 	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);

arch/arm/mach-pxa/palmt5.c

@@ -182,6 +182,17 @@ static void __init palmt5_reserve(void)
 	memblock_reserve(0xa0200000, 0x1000);
 }
 
+static struct gpiod_lookup_table palmt5_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
+			    "wp", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static void __init palmt5_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
@@ -189,7 +200,9 @@ static void __init palmt5_init(void)
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 
-	palm27x_mmc_init(GPIO_NR_PALMT5_SD_DETECT_N, GPIO_NR_PALMT5_SD_READONLY,
+	palm27x_mmc_init(&palmt5_mci_gpio_table,
+			 GPIO_NR_PALMT5_SD_DETECT_N,
+			 GPIO_NR_PALMT5_SD_READONLY,
 			 GPIO_NR_PALMT5_SD_POWER, 0);
 	palm27x_pm_init(PALMT5_STR_BASE);
 	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);

arch/arm/mach-pxa/palmtc.c

@@ -20,7 +20,7 @@
 #include <linux/input.h>
 #include <linux/pwm.h>
 #include <linux/pwm_backlight.h>
-#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/ucb1400.h>
 #include <linux/power_supply.h>

arch/arm/mach-pxa/palmtreo.c

@@ -480,22 +480,46 @@ void __init treo680_gpio_init(void)
 	gpio_free(GPIO_NR_TREO680_LCD_EN_N);
 }
 
+static struct gpiod_lookup_table treo680_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_READONLY,
+			    "wp", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static void __init treo680_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
 	palmphone_common_init();
 	treo680_gpio_init();
-	palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
+	palm27x_mmc_init(&treo680_mci_gpio_table,
+			 GPIO_NR_TREO_SD_DETECT_N,
+			 GPIO_NR_TREO680_SD_READONLY,
 			 GPIO_NR_TREO680_SD_POWER, 0);
 }
 #endif
 
 #ifdef CONFIG_MACH_CENTRO
+
+static struct gpiod_lookup_table centro685_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static void __init centro_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
 	palmphone_common_init();
-	palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
+	palm27x_mmc_init(&centro685_mci_gpio_table,
+			 GPIO_NR_TREO_SD_DETECT_N, -1,
 			 GPIO_NR_CENTRO_SD_POWER, 1);
 }
 #endif

arch/arm/mach-pxa/palmtx.c

@@ -337,6 +337,17 @@ static void __init palmtx_map_io(void)
 	iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
 }
 
+static struct gpiod_lookup_table palmtx_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
+			    "wp", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static void __init palmtx_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
@@ -344,7 +355,9 @@ static void __init palmtx_init(void)
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 
-	palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY,
+	palm27x_mmc_init(&palmtx_mci_gpio_table,
+			 GPIO_NR_PALMTX_SD_DETECT_N,
+			 GPIO_NR_PALMTX_SD_READONLY,
 			 GPIO_NR_PALMTX_SD_POWER, 0);
 	palm27x_pm_init(PALMTX_STR_BASE);
 	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);

arch/arm/mach-pxa/palmz72.c

@@ -386,6 +386,17 @@ static void __init palmz72_camera_init(void)
 static inline void palmz72_camera_init(void) {}
 #endif
 
+static struct gpiod_lookup_table palmz72_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_RO,
+			    "wp", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 /******************************************************************************
  * Machine init
  ******************************************************************************/
@@ -396,7 +407,9 @@ static void __init palmz72_init(void)
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 
-	palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO,
+	palm27x_mmc_init(&palmz72_mci_gpio_table,
+			 GPIO_NR_PALMZ72_SD_DETECT_N,
+			 GPIO_NR_PALMZ72_SD_RO,
 			 GPIO_NR_PALMZ72_SD_POWER_N, 1);
 	palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
 	palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,