6 files changed, 65 insertions, 128 deletions

diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile
index 285538124e5e..fd3a5c382f47 100644
--- a/arch/arm/mach-u300/Makefile
+++ b/arch/arm/mach-u300/Makefile
@@ -8,7 +8,6 @@ obj-n		:=
 obj-            :=
 
 obj-$(CONFIG_ARCH_U300)           += u300.o
-obj-$(CONFIG_MMC)                 += mmc.o
 obj-$(CONFIG_SPI_PL022)           += spi.o
 obj-$(CONFIG_MACH_U300_SPIDUMMY)  += dummyspichip.o
 obj-$(CONFIG_I2C_STU300)          += i2c.o
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index b9865605da09..8b90c44d237f 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -18,6 +18,7 @@
 #include <linux/termios.h>
 #include <linux/dmaengine.h>
 #include <linux/amba/bus.h>
+#include <linux/amba/mmci.h>
 #include <linux/amba/serial.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
@@ -26,7 +27,8 @@
 #include <linux/mtd/nand.h>
 #include <linux/mtd/fsmc.h>
 #include <linux/pinctrl/machine.h>
-#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/pinconf-generic.h>
 #include <linux/dma-mapping.h>
 
 #include <asm/types.h>
@@ -43,9 +45,9 @@
 #include <mach/gpio-u300.h>
 
 #include "clock.h"
-#include "mmc.h"
 #include "spi.h"
 #include "i2c.h"
+#include "u300-gpio.h"
 
 /*
  * Static I/O mappings that are needed for booting the U300 platforms. The
@@ -116,11 +118,6 @@ static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE,
 /* AHB device at 0x4000 offset */
 static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL);
 
-
-/*
- * Everything within this next ifdef deals with external devices connected to
- * the APP SPI bus.
- */
 /* Fast device at 0x6000 offset */
 static AMBA_APB_DEVICE(pl022, "pl022", 0, U300_SPI_BASE,
         { IRQ_U300_SPI }, NULL);
@@ -128,8 +125,26 @@ static AMBA_APB_DEVICE(pl022, "pl022", 0, U300_SPI_BASE,
 /* Fast device at 0x1000 offset */
 #define U300_MMCSD_IRQS { IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 }
 
+static struct mmci_platform_data mmcsd_platform_data = {
+        /*
+         * Do not set ocr_mask or voltage translation function,
+         * we have a regulator we can control instead.
+         */
+        .f_max = 24000000,
+        .gpio_wp = -1,
+        .gpio_cd = U300_GPIO_PIN_MMC_CD,
+        .cd_invert = true,
+        .capabilities = MMC_CAP_MMC_HIGHSPEED |
+        MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
+#ifdef CONFIG_COH901318
+        .dma_filter = coh901318_filter_id,
+        .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX,
+        /* Don't specify a TX channel, this RX channel is bidirectional */
+#endif
+};
+
 static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE,
-        U300_MMCSD_IRQS, NULL);
+        U300_MMCSD_IRQS, &mmcsd_platform_data);
 
 /*
  * The order of device declaration may be important, since some devices
@@ -1424,7 +1439,7 @@ static struct coh901318_platform coh901318_platform = {
         .max_channels = U300_DMA_CHANNELS,
 };
 
-static struct resource pinmux_resources[] = {
+static struct resource pinctrl_resources[] = {
         {
                 .start = U300_SYSCON_BASE,
                 .end   = U300_SYSCON_BASE + SZ_4K - 1,
@@ -1453,6 +1468,13 @@ static struct platform_device i2c1_device = {
         .resource = i2c1_resources,
 };
 
+static struct platform_device pinctrl_device = {
+        .name = "pinctrl-u300",
+        .id = -1,
+        .num_resources = ARRAY_SIZE(pinctrl_resources),
+        .resource = pinctrl_resources,
+};
+
 /*
  * The different variants have a few different versions of the
  * GPIO block, with different number of ports.
@@ -1472,6 +1494,7 @@ static struct u300_gpio_platform u300_gpio_plat = {
 #endif
         .gpio_base = 0,
         .gpio_irq_base = IRQ_U300_GPIO_BASE,
+        .pinctrl_device = &pinctrl_device,
 };
 
 static struct platform_device gpio_device = {
@@ -1544,71 +1567,67 @@ static struct platform_device dma_device = {
         },
 };
 
-static struct platform_device pinmux_device = {
-        .name = "pinmux-u300",
-        .id = -1,
-        .num_resources = ARRAY_SIZE(pinmux_resources),
-        .resource = pinmux_resources,
+static unsigned long pin_pullup_conf[] = {
+        PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 1),
+};
+
+static unsigned long pin_highz_conf[] = {
+        PIN_CONF_PACKED(PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0),
 };
 
-/* Pinmux settings */
-static struct pinmux_map __initdata u300_pinmux_map[] = {
+/* Pin control settings */
+static struct pinctrl_map __initdata u300_pinmux_map[] = {
         /* anonymous maps for chip power and EMIFs */
-        PINMUX_MAP_SYS_HOG("POWER", "pinmux-u300", "power"),
-        PINMUX_MAP_SYS_HOG("EMIF0", "pinmux-u300", "emif0"),
-        PINMUX_MAP_SYS_HOG("EMIF1", "pinmux-u300", "emif1"),
+        PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "power"),
+        PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif0"),
+        PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif1"),
         /* per-device maps for MMC/SD, SPI and UART */
-        PINMUX_MAP("MMCSD", "pinmux-u300", "mmc0", "mmci"),
-        PINMUX_MAP("SPI", "pinmux-u300", "spi0", "pl022"),
-        PINMUX_MAP("UART0", "pinmux-u300", "uart0", "uart0"),
+        PIN_MAP_MUX_GROUP_DEFAULT("mmci",  "pinctrl-u300", NULL, "mmc0"),
+        PIN_MAP_MUX_GROUP_DEFAULT("pl022", "pinctrl-u300", NULL, "spi0"),
+        PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-u300", NULL, "uart0"),
+        /* This pin is used for clock return rather than GPIO */
+        PIN_MAP_CONFIGS_PIN_DEFAULT("mmci", "pinctrl-u300", "PIO APP GPIO 11",
+                                    pin_pullup_conf),
+        /* This pin is used for card detect */
+        PIN_MAP_CONFIGS_PIN_DEFAULT("mmci", "pinctrl-u300", "PIO MS INS",
+                                    pin_highz_conf),
 };
 
 struct u300_mux_hog {
-        const char *name;
         struct device *dev;
-        struct pinmux *pmx;
+        struct pinctrl *p;
 };
 
 static struct u300_mux_hog u300_mux_hogs[] = {
         {
-                .name = "uart0",
                 .dev = &uart0_device.dev,
         },
         {
-                .name = "spi0",
                 .dev = &pl022_device.dev,
         },
         {
-                .name = "mmc0",
                 .dev = &mmcsd_device.dev,
         },
 };
 
-static int __init u300_pinmux_fetch(void)
+static int __init u300_pinctrl_fetch(void)
 {
         int i;
 
         for (i = 0; i < ARRAY_SIZE(u300_mux_hogs); i++) {
-                struct pinmux *pmx;
-                int ret;
+                struct pinctrl *p;
 
-                pmx = pinmux_get(u300_mux_hogs[i].dev, NULL);
-                if (IS_ERR(pmx)) {
-                        pr_err("u300: could not get pinmux hog %s\n",
-                               u300_mux_hogs[i].name);
-                        continue;
-                }
-                ret = pinmux_enable(pmx);
-                if (ret) {
-                        pr_err("u300: could enable pinmux hog %s\n",
-                               u300_mux_hogs[i].name);
+                p = pinctrl_get_select_default(u300_mux_hogs[i].dev);
+                if (IS_ERR(p)) {
+                        pr_err("u300: could not get pinmux hog for dev %s\n",
+                               dev_name(u300_mux_hogs[i].dev));
                         continue;
                 }
-                u300_mux_hogs[i].pmx = pmx;
+                u300_mux_hogs[i].p = p;
         }
         return 0;
 }
-subsys_initcall(u300_pinmux_fetch);
+subsys_initcall(u300_pinctrl_fetch);
 
 /*
  * Notice that AMBA devices are initialized before platform devices.
@@ -1623,7 +1642,6 @@ static struct platform_device *platform_devs[] __initdata = {
         &gpio_device,
         &nand_device,
         &wdog_device,
-        &pinmux_device,
 };
 
 /*
@@ -1808,8 +1826,8 @@ void __init u300_init_devices(void)
         u300_assign_physmem();
 
         /* Initialize pinmuxing */
-        pinmux_register_mappings(u300_pinmux_map,
-                                 ARRAY_SIZE(u300_pinmux_map));
+        pinctrl_register_mappings(u300_pinmux_map,
+                                  ARRAY_SIZE(u300_pinmux_map));
 
         /* Register subdevices on the I2C buses */
         u300_i2c_register_board_devices();
@@ -1826,16 +1844,6 @@ void __init u300_init_devices(void)
         writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
 }
 
-static int core_module_init(void)
-{
-        /*
-         * This needs to be initialized later: it needs the input framework
-         * to be initialized first.
-         */
-        return mmc_init(&mmcsd_device);
-}
-module_init(core_module_init);
-
 /* Forward declare this function from the watchdog */
 void coh901327_watchdog_reset(void);
 
diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c
index 5140deeddf7b..a38f80238ea9 100644
--- a/arch/arm/mach-u300/i2c.c
+++ b/arch/arm/mach-u300/i2c.c
@@ -60,7 +60,6 @@ static struct regulator_consumer_supply supply_ldo_c[] = {
  */
 static struct regulator_consumer_supply supply_ldo_d[] = {
         {
-                .dev = NULL,
                 .supply = "vana15", /* Powers the SoC (CPU etc) */
         },
 };
@@ -92,7 +91,6 @@ static struct regulator_consumer_supply supply_ldo_k[] = {
  */
 static struct regulator_consumer_supply supply_ldo_ext[] = {
         {
-                .dev = NULL,
                 .supply = "vext", /* External power */
         },
 };
diff --git a/arch/arm/mach-u300/include/mach/gpio-u300.h b/arch/arm/mach-u300/include/mach/gpio-u300.h
index bf4c7935aecd..e81400c1753a 100644
--- a/arch/arm/mach-u300/include/mach/gpio-u300.h
+++ b/arch/arm/mach-u300/include/mach/gpio-u300.h
@@ -24,12 +24,14 @@ enum u300_gpio_variant {
  * @ports: number of GPIO block ports
  * @gpio_base: first GPIO number for this block (use a free range)
  * @gpio_irq_base: first GPIO IRQ number for this block (use a free range)
+ * @pinctrl_device: pin control device to spawn as child
  */
 struct u300_gpio_platform {
         enum u300_gpio_variant variant;
         u8 ports;
         int gpio_base;
         int gpio_irq_base;
+        struct platform_device *pinctrl_device;
 };
 
 #endif /* __MACH_U300_GPIO_U300_H */
diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c
deleted file mode 100644
index 05abd6ad9fab..000000000000
--- a/arch/arm/mach-u300/mmc.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- *
- * arch/arm/mach-u300/mmc.c
- *
- *
- * Copyright (C) 2009 ST-Ericsson SA
- * License terms: GNU General Public License (GPL) version 2
- *
- * Author: Linus Walleij <linus.walleij@stericsson.com>
- * Author: Johan Lundin
- * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
- */
-#include <linux/device.h>
-#include <linux/amba/bus.h>
-#include <linux/mmc/host.h>
-#include <linux/dmaengine.h>
-#include <linux/amba/mmci.h>
-#include <linux/slab.h>
-#include <mach/coh901318.h>
-#include <mach/dma_channels.h>
-
-#include "u300-gpio.h"
-#include "mmc.h"
-
-static struct mmci_platform_data mmc0_plat_data = {
-        /*
-         * Do not set ocr_mask or voltage translation function,
-         * we have a regulator we can control instead.
-         */
-        /* Nominally 2.85V on our platform */
-        .f_max = 24000000,
-        .gpio_wp = -1,
-        .gpio_cd = U300_GPIO_PIN_MMC_CD,
-        .cd_invert = true,
-        .capabilities = MMC_CAP_MMC_HIGHSPEED |
-        MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
-#ifdef CONFIG_COH901318
-        .dma_filter = coh901318_filter_id,
-        .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX,
-        /* Don't specify a TX channel, this RX channel is bidirectional */
-#endif
-};
-
-int __devinit mmc_init(struct amba_device *adev)
-{
-        struct device *mmcsd_device = &adev->dev;
-        int ret = 0;
-
-        mmcsd_device->platform_data = &mmc0_plat_data;
-
-        return ret;
-}
diff --git a/arch/arm/mach-u300/mmc.h b/arch/arm/mach-u300/mmc.h
deleted file mode 100644
index 92b85125abb3..000000000000
--- a/arch/arm/mach-u300/mmc.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- *
- * arch/arm/mach-u300/mmc.h
- *
- *
- * Copyright (C) 2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
- *
- * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
- */
-#ifndef MMC_H
-#define MMC_H
-
-#include <linux/amba/bus.h>
-
-int __devinit mmc_init(struct amba_device *adev);
-
-#endif