sa1100: Generic CF socket support

index b2eb3d232e39..6199e87447ca 100644
@@ -163,6 +163,8 @@ static struct clk_lookup sa11xx_clkregs[] = {
 	CLKDEV_INIT("sa1100-rtc", NULL, NULL),
 	CLKDEV_INIT("sa11x0-fb", NULL, &clk_cpu),
 	CLKDEV_INIT("sa11x0-pcmcia", NULL, &clk_cpu),
+	CLKDEV_INIT("sa11x0-pcmcia.0", NULL, &clk_cpu),
+	CLKDEV_INIT("sa11x0-pcmcia.1", NULL, &clk_cpu),
 	/* sa1111 names devices using internal offsets, PCMCIA is at 0x1800 */
 	CLKDEV_INIT("1800", NULL, &clk_cpu),
 	CLKDEV_INIT(NULL, "OSTIMER0", &clk_36864),

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index 97502922a15d..5f3cb52fa6ab 100644
@@ -47,3 +47,11 @@ static inline int sa11x0_pm_init(void) { return 0; }
 #endif
 
 int sa11xx_clk_init(void);
+
+struct gpiod_lookup_table;
+void sa11x0_register_pcmcia(int socket, struct gpiod_lookup_table *);
+
+struct fixed_voltage_config;
+struct regulator_consumer_supply;
+int sa11x0_register_fixed_regulator(int n, struct fixed_voltage_config *cfg,
+	struct regulator_consumer_supply *supplies, unsigned num_supplies);

index f68241d995f2..575ec085cffa 100644
@@ -14,8 +14,11 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/gpio/gpio-reg.h>
+#include <linux/gpio/machine.h>
 #include <linux/ioport.h>
 #include <linux/platform_data/sa11x0-serial.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/serial_core.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/ucb1x00.h>

@@ -445,6 +448,29 @@ static struct resource neponset_resources[] = {
 };
 #endif
 
+static struct gpiod_lookup_table assabet_cf_gpio_table = {
+	.dev_id = "sa11x0-pcmcia.1",
+	.table = {
+		GPIO_LOOKUP("gpio", 21, "ready", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 22, "detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", 24, "bvd2", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 25, "bvd1", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("assabet", 1, "reset", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("assabet", 7, "bus-enable", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+static struct regulator_consumer_supply assabet_cf_vcc_consumers[] = {
+	REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.1"),
+};
+
+static struct fixed_voltage_config assabet_cf_vcc_pdata __initdata = {
+	.supply_name = "cf-power",
+	.microvolts = 3300000,
+	.enable_high = 1,
+};
+
 static void __init assabet_init(void)
 {
 	/*

@@ -490,6 +516,11 @@ static void __init assabet_init(void)
 		platform_device_register_simple("neponset", 0,
 			neponset_resources, ARRAY_SIZE(neponset_resources));
 #endif
+	} else {
+		sa11x0_register_fixed_regulator(0, &assabet_cf_vcc_pdata,
+					 assabet_cf_vcc_consumers,
+					 ARRAY_SIZE(assabet_cf_vcc_consumers));
+
 	}
 
 #ifndef ASSABET_PAL_VIDEO

@@ -501,6 +532,9 @@ static void __init assabet_init(void)
 			    ARRAY_SIZE(assabet_flash_resources));
 	sa11x0_register_irda(&assabet_irda_data);
 	sa11x0_register_mcp(&assabet_mcp_data);
+
+	if (!machine_has_neponset())
+		sa11x0_register_pcmcia(1, &assabet_cf_gpio_table);
 }
 
 /*

@@ -768,6 +802,7 @@ fs_initcall(assabet_leds_init);
 
 void __init assabet_init_irq(void)
 {
+	unsigned int assabet_gpio_base;
 	u32 def_val;
 
 	sa1100_init_irq();

@@ -782,7 +817,9 @@ void __init assabet_init_irq(void)
 	 *
 	 * This must precede any driver calls to BCR_set() or BCR_clear().
 	 */
-	assabet_init_gpio((void *)&ASSABET_BCR, def_val);
+	assabet_gpio_base = assabet_init_gpio((void *)&ASSABET_BCR, def_val);
+
+	assabet_cf_vcc_pdata.gpio = assabet_gpio_base + 0;
 }
 
 MACHINE_START(ASSABET, "Intel-Assabet")

index 558b45323a2d..641a961653af 100644
@@ -96,10 +96,4 @@ extern void assabet_uda1341_reset(int set);
 #define ASSABET_GPIO_BATT_LOW		GPIO_GPIO (26)	/* Low battery */
 #define ASSABET_GPIO_RCLK		GPIO_GPIO (26)	/* CCLK/2  */
 
-/* These are gpiolib GPIO numbers, not bitmasks */
-#define ASSABET_GPIO_CF_IRQ		21	/* CF IRQ */
-#define ASSABET_GPIO_CF_CD		22	/* CF CD  */
-#define ASSABET_GPIO_CF_BVD2		24	/* CF BVD / IOSPKR */
-#define ASSABET_GPIO_CF_BVD1		25	/* CF BVD / IOSTSCHG */
-
 #endif

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index 324e3e631353..1987d94361e9 100644
@@ -98,9 +98,6 @@ static struct pcmcia_low_level sa11x0_cf_ops = {
 int __init pcmcia_collie_init(struct device *dev);
 
 static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
-#ifdef CONFIG_SA1100_ASSABET
-	pcmcia_assabet_init,
-#endif
 #ifdef CONFIG_SA1100_CERF
 	pcmcia_cerf_init,
 #endif

index a5f1f1dd63cb..597c796f7dad 100644
@@ -6,7 +6,6 @@
  * Declaration for all machine specific init/exit functions.
  */
 extern int pcmcia_adsbitsy_init(struct device *);
-extern int pcmcia_assabet_init(struct device *);
 extern int pcmcia_badge4_init(struct device *);
 extern int pcmcia_cerf_init(struct device *);
 extern int pcmcia_flexanet_init(struct device *);

index 2d25ececb415..b2a4b41626ef 100644
@@ -11,6 +11,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/gpio/machine.h>
 #include <linux/kernel.h>
 #include <linux/tty.h>
 #include <linux/platform_data/sa11x0-serial.h>

@@ -45,6 +46,19 @@ static struct platform_device cerfuart2_device = {
 	.resource	= cerfuart2_resources,
 };
 
+/* Compact Flash */
+static struct gpiod_lookup_table cerf_cf_gpio_table = {
+	.dev_id = "sa11x0-pcmcia.1",
+	.table = {
+		GPIO_LOOKUP("gpio", 19, "bvd2", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 20, "bvd1", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 21, "reset", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 22, "ready", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 23, "detect", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 /* LEDs */
 struct gpio_led cerf_gpio_leds[] = {
 	{

@@ -151,9 +165,6 @@ static void __init cerf_map_io(void)
 	sa1100_register_uart(0, 3);
 	sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
 	sa1100_register_uart(2, 1);
-
-	/* set some GPDR bits here while it's safe */
-	GPDR |= CERF_GPIO_CF_RESET;
 }
 
 static struct mcp_plat_data cerf_mcp_data = {

@@ -167,6 +178,7 @@ static void __init cerf_init(void)
 	platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
 	sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
 	sa11x0_register_mcp(&cerf_mcp_data);
+	sa11x0_register_pcmcia(1, &cerf_cf_gpio_table);
 }
 
 MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")

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index 1987d94361e9..110365e998b8 100644
@@ -98,9 +98,6 @@ static struct pcmcia_low_level sa11x0_cf_ops = {
 int __init pcmcia_collie_init(struct device *dev);
 
 static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
-#ifdef CONFIG_SA1100_CERF
-	pcmcia_cerf_init,
-#endif
 #if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
 	pcmcia_h3600_init,
 #endif

index 597c796f7dad..bce9e73a4651 100644
@@ -7,7 +7,6 @@
  */
 extern int pcmcia_adsbitsy_init(struct device *);
 extern int pcmcia_badge4_init(struct device *);
-extern int pcmcia_cerf_init(struct device *);
 extern int pcmcia_flexanet_init(struct device *);
 extern int pcmcia_freebird_init(struct device *);
 extern int pcmcia_gcplus_init(struct device *);

index b69e76614d5b..36a78b0c106f 100644
@@ -11,6 +11,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/gpio/machine.h>
 #include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>

@@ -264,8 +265,24 @@ static struct platform_device *h3xxx_devices[] = {
 	&h3xxx_micro_asic,
 };
 
+static struct gpiod_lookup_table h3xxx_pcmcia_gpio_table = {
+	.dev_id = "sa11x0-pcmcia",
+	.table = {
+		GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_CD0,
+			    "pcmcia0-detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_IRQ0,
+			    "pcmcia0-ready", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_CD1,
+			    "pcmcia1-detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_IRQ1,
+			    "pcmcia1-ready", GPIO_ACTIVE_HIGH),
+		{ },
+	},
+};
+
 void __init h3xxx_mach_init(void)
 {
+	gpiod_add_lookup_table(&h3xxx_pcmcia_gpio_table);
 	sa1100_register_uart_fns(&h3xxx_port_fns);
 	sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
 	platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));

index aebf9a66fdde..a91222bc3824 100644
@@ -24,13 +24,15 @@ static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
 	int err;
 
+	skt->stat[SOC_STAT_CD].name = skt->nr ? "pcmcia1-detect" : "pcmcia0-detect";
+	skt->stat[SOC_STAT_RDY].name = skt->nr ? "pcmcia1-ready" : "pcmcia0-ready";
+
+	err = soc_pcmcia_request_gpiods(skt);
+	if (err)
+		return err;
+
 	switch (skt->nr) {
 	case 0:
-		skt->stat[SOC_STAT_CD].gpio = H3XXX_GPIO_PCMCIA_CD0;
-		skt->stat[SOC_STAT_CD].name = "PCMCIA CD0";
-		skt->stat[SOC_STAT_RDY].gpio = H3XXX_GPIO_PCMCIA_IRQ0;
-		skt->stat[SOC_STAT_RDY].name = "PCMCIA IRQ0";
-
 		err = gpio_request(H3XXX_EGPIO_OPT_NVRAM_ON, "OPT NVRAM ON");
 		if (err)
 			goto err01;

@@ -57,10 +59,6 @@ static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 			goto err06;
 		break;
 	case 1:
-		skt->stat[SOC_STAT_CD].gpio = H3XXX_GPIO_PCMCIA_CD1;
-		skt->stat[SOC_STAT_CD].name = "PCMCIA CD1";
-		skt->stat[SOC_STAT_RDY].gpio = H3XXX_GPIO_PCMCIA_IRQ1;
-		skt->stat[SOC_STAT_RDY].name = "PCMCIA IRQ1";
 		break;
 	}
 	return 0;

index f1cb3784d525..4d35258a7b32 100644
@@ -12,6 +12,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/gpio/machine.h>
 #include <linux/kernel.h>
 #include <linux/platform_data/sa11x0-serial.h>
 #include <linux/mtd/mtd.h>

@@ -99,8 +100,30 @@ static void __init nanoengine_map_io(void)
 	Ser2HSCR0 = 0;
 }
 
+static struct gpiod_lookup_table nanoengine_pcmcia0_gpio_table = {
+	.dev_id = "sa11x0-pcmcia.0",
+	.table = {
+		GPIO_LOOKUP("gpio", 11, "ready", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 13, "detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", 15, "reset", GPIO_ACTIVE_HIGH),
+		{ },
+	},
+};
+
+static struct gpiod_lookup_table nanoengine_pcmcia1_gpio_table = {
+	.dev_id = "sa11x0-pcmcia.1",
+	.table = {
+		GPIO_LOOKUP("gpio", 12, "ready", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", 14, "detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", 16, "reset", GPIO_ACTIVE_HIGH),
+		{ },
+	},
+};
+
 static void __init nanoengine_init(void)
 {
+	sa11x0_register_pcmcia(0, &nanoengine_pcmcia0_gpio_table);
+	sa11x0_register_pcmcia(1, &nanoengine_pcmcia1_gpio_table);
 	sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources,
 		ARRAY_SIZE(nanoengine_flash_resources));
 }

index 110365e998b8..59a670f330b7 100644
@@ -101,9 +101,6 @@ static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
 #if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
 	pcmcia_h3600_init,
 #endif
-#ifdef CONFIG_SA1100_NANOENGINE
-	pcmcia_nanoengine_init,
-#endif
 #ifdef CONFIG_SA1100_SHANNON
 	pcmcia_shannon_init,
 #endif

index bce9e73a4651..1e255c173cd8 100644
@@ -12,7 +12,6 @@ extern int pcmcia_freebird_init(struct device *);
 extern int pcmcia_gcplus_init(struct device *);
 extern int pcmcia_graphicsmaster_init(struct device *);
 extern int pcmcia_h3600_init(struct device *);
-extern int pcmcia_nanoengine_init(struct device *);
 extern int pcmcia_pangolin_init(struct device *);
 extern int pcmcia_pfs168_init(struct device *);
 extern int pcmcia_shannon_init(struct device *);

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index 856664c783d9..22f7fe0b809f 100644
@@ -5,11 +5,14 @@
 
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/gpio/machine.h>
 #include <linux/kernel.h>
 #include <linux/platform_data/sa11x0-serial.h>
 #include <linux/tty.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 
 #include <video/sa1100fb.h>
 

@@ -72,8 +75,43 @@ static struct sa1100fb_mach_info shannon_lcd_info = {
 	.lccr3		= LCCR3_ACBsDiv(512),
 };
 
+static struct gpiod_lookup_table shannon_pcmcia0_gpio_table = {
+	.dev_id = "sa11x0-pcmcia.0",
+	.table = {
+		GPIO_LOOKUP("gpio", 24, "detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", 26, "ready", GPIO_ACTIVE_HIGH),
+		{ },
+	},
+};
+
+static struct gpiod_lookup_table shannon_pcmcia1_gpio_table = {
+	.dev_id = "sa11x0-pcmcia.1",
+	.table = {
+		GPIO_LOOKUP("gpio", 25, "detect", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio", 27, "ready", GPIO_ACTIVE_HIGH),
+		{ },
+	},
+};
+
+static struct regulator_consumer_supply shannon_cf_vcc_consumers[] = {
+	REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.0"),
+	REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.1"),
+};
+
+static struct fixed_voltage_config shannon_cf_vcc_pdata __initdata = {
+	.supply_name = "cf-power",
+	.microvolts = 3300000,
+	.enabled_at_boot = 1,
+	.gpio = -EINVAL,
+};
+
 static void __init shannon_init(void)
 {
+	sa11x0_register_fixed_regulator(0, &shannon_cf_vcc_pdata,
+					shannon_cf_vcc_consumers,
+					ARRAY_SIZE(shannon_cf_vcc_consumers));
+	sa11x0_register_pcmcia(0, &shannon_pcmcia0_gpio_table);
+	sa11x0_register_pcmcia(1, &shannon_pcmcia1_gpio_table);
 	sa11x0_ppc_configure_mcp();
 	sa11x0_register_lcd(&shannon_lcd_info);
 	sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);

index 59a670f330b7..47b060c57418 100644
@@ -101,9 +101,6 @@ static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
 #if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
 	pcmcia_h3600_init,
 #endif
-#ifdef CONFIG_SA1100_SHANNON
-	pcmcia_shannon_init,
-#endif
 #ifdef CONFIG_SA1100_SIMPAD
 	pcmcia_simpad_init,
 #endif

index 1e255c173cd8..7b7cdcd20187 100644
@@ -14,7 +14,6 @@ extern int pcmcia_graphicsmaster_init(struct device *);
 extern int pcmcia_h3600_init(struct device *);
 extern int pcmcia_pangolin_init(struct device *);
 extern int pcmcia_pfs168_init(struct device *);
-extern int pcmcia_shannon_init(struct device *);
 extern int pcmcia_simpad_init(struct device *);
 extern int pcmcia_stork_init(struct device *);
 extern int pcmcia_system3_init(struct device *);

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index 7d4feb8a49ac..ace010479eb6 100644
@@ -4,6 +4,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/gpio/machine.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/tty.h>

@@ -364,6 +365,15 @@ static struct platform_device *devices[] __initdata = {
 	&simpad_i2c,
 };
 
+/* Compact Flash */
+static struct gpiod_lookup_table simpad_cf_gpio_table = {
+	.dev_id = "sa11x0-pcmcia",
+	.table = {
+		GPIO_LOOKUP("gpio", GPIO_CF_IRQ, "cf-ready", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio", GPIO_CF_CD, "cf-detect", GPIO_ACTIVE_HIGH),
+		{ },
+	},
+};
 
 
 static int __init simpad_init(void)

@@ -385,6 +395,7 @@ static int __init simpad_init(void)
 
 	pm_power_off = simpad_power_off;
 
+	sa11x0_register_pcmcia(-1, &simpad_cf_gpio_table);
 	sa11x0_ppc_configure_mcp();
 	sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
 			      ARRAY_SIZE(simpad_flash_resources));

index 7ce65bb23a8e..e235ee14eaa6 100644
@@ -12,7 +12,6 @@
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
-#include <asm/irq.h>
 #include <mach/simpad.h>
 #include "sa1100_generic.h"
  

@@ -21,12 +20,10 @@ static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 
 	simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
 
-	skt->stat[SOC_STAT_CD].gpio = GPIO_CF_CD;
-	skt->stat[SOC_STAT_CD].name = "CF_CD";
-	skt->stat[SOC_STAT_RDY].gpio = GPIO_CF_IRQ;
-	skt->stat[SOC_STAT_RDY].name = "CF_RDY";
+	skt->stat[SOC_STAT_CD].name = "cf-detect";
+	skt->stat[SOC_STAT_RDY].name = "cf-ready";
 
-	return 0;
+	return soc_pcmcia_request_gpiods(skt);
 }
 
 static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)

@@ -42,9 +39,6 @@ simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
 {
 	long cs3reg = simpad_get_cs3_ro();
 
-	/* the detect signal is inverted - fix that up here */
-	state->detect = !state->detect;
-
 	state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */
 	state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */