Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (24 commits)
  sh: explicitly include sh_dma.h in setup-sh7722.c
  sh: ecovec: care CN5 VBUS if USB host mode
  sh: sh7724: fixup renesas_usbhs clock settings
  sh: intc: initial irqdomain support.
  sh: pfc: Fix up init ordering mess.
  serial: sh-sci: fix compilation breakage, when DMA is enabled
  dmaengine: shdma: restore partial transfer calculation
  sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757
  sh: Fix up recursive fault in oops with unset TTB.
  sh: pfc: Build fix for pinctrl_remove_gpio_range() changes.
  sh: select the fixed regulator driver on several boards
  sh: ecovec: switch MMC power control to regulators
  sh: add fixed voltage regulators to se7724
  sh: add fixed voltage regulators to sdk7786
  sh: add fixed voltage regulators to rsk
  sh: add fixed voltage regulators to migor
  sh: add fixed voltage regulators to kfr2r09
  sh: add fixed voltage regulators to ap325rxa
  sh: add fixed voltage regulators to sh7757lcr
  sh: add fixed voltage regulators to sh2007
  ...

19 files changed, 293 insertions, 21 deletions

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 7048c03490d9..fb5805745ace 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -57,6 +57,7 @@ config SH_7724_SOLUTION_ENGINE
         depends on CPU_SUBTYPE_SH7724
         select ARCH_REQUIRE_GPIOLIB
         select SND_SOC_AK4642 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select 7724 SolutionEngine if configuring for a Hitachi SH7724
           evaluation board.
@@ -140,6 +141,7 @@ config SH_RSK
         bool "Renesas Starter Kit"
         depends on CPU_SUBTYPE_SH7201 || CPU_SUBTYPE_SH7203 || \
           CPU_SUBTYPE_SH7264 || CPU_SUBTYPE_SH7269
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
          Select this option if configuring for any of the RSK+ MCU
          evaluation platforms.
@@ -159,6 +161,7 @@ config SH_SDK7786
         select NO_IOPORT if !PCI
         select ARCH_WANT_OPTIONAL_GPIOLIB
         select HAVE_SRAM_POOL
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select SDK7786 if configuring for a Renesas Technology Europe
           SH7786-65nm board.
@@ -173,6 +176,7 @@ config SH_SH7757LCR
         bool "SH7757LCR"
         depends on CPU_SUBTYPE_SH7757
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config SH_SH7785LCR
         bool "SH7785LCR"
@@ -206,6 +210,7 @@ config SH_MIGOR
         bool "Migo-R"
         depends on CPU_SUBTYPE_SH7722
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select Migo-R if configuring for the SH7722 Migo-R platform
           by Renesas System Solutions Asia Pte. Ltd.
@@ -214,6 +219,7 @@ config SH_AP325RXA
         bool "AP-325RXA"
         depends on CPU_SUBTYPE_SH7723
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Renesas "AP-325RXA" support.
           Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"
@@ -222,6 +228,7 @@ config SH_KFR2R09
         bool "KFR2R09"
         depends on CPU_SUBTYPE_SH7724
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           "Kit For R2R for 2009" support.
 
@@ -230,6 +237,7 @@ config SH_ECOVEC
         depends on CPU_SUBTYPE_SH7724
         select ARCH_REQUIRE_GPIOLIB
         select SND_SOC_DA7210 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Renesas "R0P7724LC0011/21RL (EcoVec)" support.
 
@@ -305,6 +313,7 @@ config SH_MAGIC_PANEL_R2
         bool "Magic Panel R2"
         depends on CPU_SUBTYPE_SH7720
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select Magic Panel R2 if configuring for Magic Panel R2.
 
@@ -316,6 +325,7 @@ config SH_CAYMAN
 config SH_POLARIS
         bool "SMSC Polaris"
         select CPU_HAS_IPR_IRQ
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7709
         help
           Select if configuring for an SMSC Polaris development board
@@ -323,6 +333,7 @@ config SH_POLARIS
 config SH_SH2007
         bool "SH-2007 board"
         select NO_IOPORT
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7780
         help
           SH-2007 is a single-board computer based around SH7780 chip
@@ -334,6 +345,7 @@ config SH_SH2007
 config SH_APSH4A3A
         bool "AP-SH4A-3A"
         select SH_ALPHA_BOARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7785
         help
           Select AP-SH4A-3A if configuring for an ALPHAPROJECT AP-SH4A-3A.
@@ -342,6 +354,7 @@ config SH_APSH4AD0A
         bool "AP-SH4AD-0A"
         select SH_ALPHA_BOARD
         select SYS_SUPPORTS_PCI
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7786
         help
           Select AP-SH4AD-0A if configuring for an ALPHAPROJECT AP-SH4AD-0A.
diff --git a/arch/sh/boards/board-apsh4a3a.c b/arch/sh/boards/board-apsh4a3a.c
index 2823619c6006..0a39c241628a 100644
--- a/arch/sh/boards/board-apsh4a3a.c
+++ b/arch/sh/boards/board-apsh4a3a.c
@@ -13,6 +13,8 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/mtd/physmap.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/irq.h>
 #include <linux/clk.h>
@@ -66,6 +68,12 @@ static struct platform_device nor_flash_device = {
         .resource       = nor_flash_resources,
 };
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -105,6 +113,8 @@ static struct platform_device *apsh4a3a_devices[] __initdata = {
 
 static int __init apsh4a3a_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(apsh4a3a_devices,
                                     ARRAY_SIZE(apsh4a3a_devices));
 }
diff --git a/arch/sh/boards/board-apsh4ad0a.c b/arch/sh/boards/board-apsh4ad0a.c
index b4d6292a9247..92eac3a99187 100644
--- a/arch/sh/boards/board-apsh4ad0a.c
+++ b/arch/sh/boards/board-apsh4ad0a.c
@@ -12,12 +12,20 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/irq.h>
 #include <linux/clk.h>
 #include <asm/machvec.h>
 #include <asm/sizes.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -56,6 +64,8 @@ static struct platform_device *apsh4ad0a_devices[] __initdata = {
 
 static int __init apsh4ad0a_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(apsh4ad0a_devices,
                                     ARRAY_SIZE(apsh4ad0a_devices));
 }
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
index 90568f9de3a4..20500858b56c 100644
--- a/arch/sh/boards/board-magicpanelr2.c
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -14,6 +14,8 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -24,6 +26,12 @@
 #include <asm/heartbeat.h>
 #include <cpu/sh7720.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 #define LAN9115_READY   (__raw_readl(0xA8000084UL) & 0x00000001UL)
 
 /* Wait until reset finished. Timeout is 100ms. */
@@ -348,6 +356,8 @@ static struct platform_device *mpr2_devices[] __initdata = {
 
 static int __init mpr2_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices));
 }
 device_initcall(mpr2_devices_setup);
diff --git a/arch/sh/boards/board-polaris.c b/arch/sh/boards/board-polaris.c
index 0978ae2e4847..37a08d094727 100644
--- a/arch/sh/boards/board-polaris.c
+++ b/arch/sh/boards/board-polaris.c
@@ -9,6 +9,8 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/io.h>
 #include <asm/irq.h>
@@ -22,6 +24,12 @@
 #define AREA5_WAIT_CTRL (0x1C00)
 #define WAIT_STATES_10  (0x7)
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -88,6 +96,8 @@ static int __init polaris_initialise(void)
 
         printk(KERN_INFO "Configuring Polaris external bus\n");
 
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         /* Configure area 5 with 2 wait states */
         wcr = __raw_readw(WCR2);
         wcr &= (~AREA5_WAIT_CTRL);
diff --git a/arch/sh/boards/board-sh2007.c b/arch/sh/boards/board-sh2007.c
index b90b78f6a829..1980bb7e5780 100644
--- a/arch/sh/boards/board-sh2007.c
+++ b/arch/sh/boards/board-sh2007.c
@@ -6,6 +6,8 @@
  */
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
@@ -13,6 +15,14 @@
 #include <asm/machvec.h>
 #include <mach/sh2007.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
+};
+
 struct smsc911x_platform_config smc911x_info = {
         .flags          = SMSC911X_USE_32BIT,
         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
@@ -98,6 +108,8 @@ static struct platform_device *sh2007_devices[] __initdata = {
 
 static int __init sh2007_io_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         platform_add_devices(sh2007_devices, ARRAY_SIZE(sh2007_devices));
         return 0;
 }
diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index 5087f8bb4cff..41f86702eb9f 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -12,6 +12,8 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/io.h>
@@ -199,6 +201,15 @@ static struct platform_device sh7757_eth_giga1_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0, MMCIF */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
 /* SH_MMCIF */
 static struct resource sh_mmcif_resources[] = {
         [0] = {
@@ -329,6 +340,9 @@ static struct spi_board_info spi_board_info[] = {
 
 static int __init sh7757lcr_devices_setup(void)
 {
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* RGMII (PTA) */
         gpio_request(GPIO_FN_ET0_MDC, NULL);
         gpio_request(GPIO_FN_ET0_MDIO, NULL);
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index f33ebf447073..9e963c1d1447 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -20,6 +20,8 @@
 #include <linux/mtd/sh_flctl.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
 #include <linux/videodev2.h>
@@ -34,6 +36,12 @@
 #include <asm/suspend.h>
 #include <cpu/sh7723.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct smsc911x_platform_config smsc911x_config = {
         .phy_interface  = PHY_INTERFACE_MODE_MII,
         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
@@ -423,6 +431,15 @@ static struct platform_device ceu_device = {
         },
 };
 
+/* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
 static struct resource sdhi0_cn3_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -544,6 +561,10 @@ static int __init ap325rxa_devices_setup(void)
                                         &ap325rxa_sdram_leave_start,
                                         &ap325rxa_sdram_leave_end);
 
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+        regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         /* LD3 and LD4 LEDs */
         gpio_request(GPIO_PTX5, NULL); /* RUN */
         gpio_direction_output(GPIO_PTX5, 1);
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 4158d70c0dea..64559e8af14b 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/delay.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/usb/renesas_usbhs.h>
 #include <linux/i2c.h>
@@ -242,9 +244,17 @@ static int usbhs_get_id(struct platform_device *pdev)
         return gpio_get_value(GPIO_PTB3);
 }
 
+static void usbhs_phy_reset(struct platform_device *pdev)
+{
+        /* enable vbus if HOST */
+        if (!gpio_get_value(GPIO_PTB3))
+                gpio_set_value(GPIO_PTB5, 1);
+}
+
 static struct renesas_usbhs_platform_info usbhs_info = {
         .platform_callback = {
                 .get_id         = usbhs_get_id,
+                .phy_reset      = usbhs_phy_reset,
         },
         .driver_param = {
                 .buswait_bwait          = 4,
@@ -518,10 +528,86 @@ static struct i2c_board_info ts_i2c_clients = {
         .irq            = IRQ0,
 };
 
+static struct regulator_consumer_supply cn12_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
+static struct regulator_init_data cn12_power_init_data = {
+        .constraints = {
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(cn12_power_consumers),
+        .consumer_supplies      = cn12_power_consumers,
+};
+
+static struct fixed_voltage_config cn12_power_info = {
+        .supply_name = "CN12 SD/MMC Vdd",
+        .microvolts = 3300000,
+        .gpio = GPIO_PTB7,
+        .enable_high = 1,
+        .init_data = &cn12_power_init_data,
+};
+
+static struct platform_device cn12_power = {
+        .name = "reg-fixed-voltage",
+        .id   = 0,
+        .dev  = {
+                .platform_data = &cn12_power_info,
+        },
+};
+
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 /* SDHI0 */
+static struct regulator_consumer_supply sdhi0_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
+static struct regulator_init_data sdhi0_power_init_data = {
+        .constraints = {
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(sdhi0_power_consumers),
+        .consumer_supplies      = sdhi0_power_consumers,
+};
+
+static struct fixed_voltage_config sdhi0_power_info = {
+        .supply_name = "CN11 SD/MMC Vdd",
+        .microvolts = 3300000,
+        .gpio = GPIO_PTB6,
+        .enable_high = 1,
+        .init_data = &sdhi0_power_init_data,
+};
+
+static struct platform_device sdhi0_power = {
+        .name = "reg-fixed-voltage",
+        .id   = 1,
+        .dev  = {
+                .platform_data = &sdhi0_power_info,
+        },
+};
+
 static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 {
+        static int power_gpio = -EINVAL;
+
+        if (power_gpio < 0) {
+                int ret = gpio_request(GPIO_PTB6, NULL);
+                if (!ret) {
+                        power_gpio = GPIO_PTB6;
+                        gpio_direction_output(power_gpio, 0);
+                }
+        }
+
+        /*
+         * Toggle the GPIO regardless, whether we managed to grab it above or
+         * the fixed regulator driver did.
+         */
         gpio_set_value(GPIO_PTB6, state);
 }
 
@@ -562,13 +648,27 @@ static struct platform_device sdhi0_device = {
         },
 };
 
-#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
-/* SDHI1 */
-static void sdhi1_set_pwr(struct platform_device *pdev, int state)
+static void cn12_set_pwr(struct platform_device *pdev, int state)
 {
+        static int power_gpio = -EINVAL;
+
+        if (power_gpio < 0) {
+                int ret = gpio_request(GPIO_PTB7, NULL);
+                if (!ret) {
+                        power_gpio = GPIO_PTB7;
+                        gpio_direction_output(power_gpio, 0);
+                }
+        }
+
+        /*
+         * Toggle the GPIO regardless, whether we managed to grab it above or
+         * the fixed regulator driver did.
+         */
         gpio_set_value(GPIO_PTB7, state);
 }
 
+#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
+/* SDHI1 */
 static int sdhi1_get_cd(struct platform_device *pdev)
 {
         return !gpio_get_value(GPIO_PTW7);
@@ -579,7 +679,7 @@ static struct sh_mobile_sdhi_info sdhi1_info = {
         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
         .tmio_caps      = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD |
                           MMC_CAP_NEEDS_POLL,
-        .set_pwr        = sdhi1_set_pwr,
+        .set_pwr        = cn12_set_pwr,
         .get_cd         = sdhi1_get_cd,
 };
 
@@ -899,14 +999,9 @@ static struct platform_device vou_device = {
 
 #if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 /* SH_MMCIF */
-static void mmcif_set_pwr(struct platform_device *pdev, int state)
-{
-        gpio_set_value(GPIO_PTB7, state);
-}
-
 static void mmcif_down_pwr(struct platform_device *pdev)
 {
-        gpio_set_value(GPIO_PTB7, 0);
+        cn12_set_pwr(pdev, 0);
 }
 
 static struct resource sh_mmcif_resources[] = {
@@ -929,7 +1024,7 @@ static struct resource sh_mmcif_resources[] = {
 };
 
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
-        .set_pwr        = mmcif_set_pwr,
+        .set_pwr        = cn12_set_pwr,
         .down_pwr       = mmcif_down_pwr,
         .sup_pclk       = 0, /* SH7724: Max Pclk/2 */
         .caps           = MMC_CAP_4_BIT_DATA |
@@ -960,7 +1055,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &ceu0_device,
         &ceu1_device,
         &keysc_device,
+        &cn12_power,
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
+        &sdhi0_power,
         &sdhi0_device,
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
         &sdhi1_device,
@@ -1258,8 +1355,6 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_SDHI0D2,  NULL);
         gpio_request(GPIO_FN_SDHI0D1,  NULL);
         gpio_request(GPIO_FN_SDHI0D0,  NULL);
-        gpio_request(GPIO_PTB6, NULL);
-        gpio_direction_output(GPIO_PTB6, 0);
 #else
         /* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */
         gpio_request(GPIO_FN_MSIOF0_TXD, NULL);
@@ -1288,8 +1383,6 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_MMC_D0, NULL);
         gpio_request(GPIO_FN_MMC_CLK, NULL);
         gpio_request(GPIO_FN_MMC_CMD, NULL);
-        gpio_request(GPIO_PTB7, NULL);
-        gpio_direction_output(GPIO_PTB7, 0);
 
         cn12_enabled = true;
 #elif defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
@@ -1301,8 +1394,6 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_SDHI1D2,  NULL);
         gpio_request(GPIO_FN_SDHI1D1,  NULL);
         gpio_request(GPIO_FN_SDHI1D0,  NULL);
-        gpio_request(GPIO_PTB7, NULL);
-        gpio_direction_output(GPIO_PTB7, 0);
 
         /* Card-detect, used on CN12 with SDHI1 */
         gpio_request(GPIO_PTW7, NULL);
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 43a179ce9afc..f2a4304fbe23 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -21,6 +21,8 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/videodev2.h>
 #include <linux/sh_intc.h>
@@ -341,6 +343,13 @@ static struct platform_device kfr2r09_camera = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
 static struct resource kfr2r09_sh_sdhi0_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -523,6 +532,9 @@ static int __init kfr2r09_devices_setup(void)
                                         &kfr2r09_sdram_leave_start,
                                         &kfr2r09_sdram_leave_end);
 
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* enable SCIF1 serial port for YC401 console support */
         gpio_request(GPIO_FN_SCIF1_RXD, NULL);
         gpio_request(GPIO_FN_SCIF1_TXD, NULL);
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index a8a1ca741c85..8b73194ed2ce 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -17,6 +17,8 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/nand.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smc91x.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
@@ -386,6 +388,13 @@ static struct platform_device migor_ceu_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
 static struct resource sdhi_cn9_resources[] = {
         [0] = {
                 .name   = "SDHI",
@@ -498,6 +507,10 @@ static int __init migor_devices_setup(void)
                                         &migor_sdram_enter_end,
                                         &migor_sdram_leave_start,
                                         &migor_sdram_leave_end);
+
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* Let D11 LED show STATUS0 */
         gpio_request(GPIO_FN_STATUS0, NULL);
 
diff --git a/arch/sh/boards/mach-rsk/setup.c b/arch/sh/boards/mach-rsk/setup.c
index 895f030070d3..2685ea03b064 100644
--- a/arch/sh/boards/mach-rsk/setup.c
+++ b/arch/sh/boards/mach-rsk/setup.c
@@ -16,9 +16,17 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/map.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static const char *part_probes[] = { "cmdlinepart", NULL };
 
 static struct mtd_partition rsk_partitions[] = {
@@ -67,6 +75,8 @@ static struct platform_device *rsk_devices[] __initdata = {
 
 static int __init rsk_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(rsk_devices,
                                     ARRAY_SIZE(rsk_devices));
 }
diff --git a/arch/sh/boards/mach-sdk7786/setup.c b/arch/sh/boards/mach-sdk7786/setup.c
index 27a2314f50ac..c29268bfd34a 100644
--- a/arch/sh/boards/mach-sdk7786/setup.c
+++ b/arch/sh/boards/mach-sdk7786/setup.c
@@ -11,6 +11,8 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/i2c.h>
 #include <linux/irq.h>
@@ -38,6 +40,12 @@ static struct platform_device heartbeat_device = {
         .resource       = &heartbeat_resource,
 };
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -236,6 +244,8 @@ static void __init sdk7786_setup(char **cmdline_p)
 {
         pr_info("Renesas Technology Europe SDK7786 support:\n");
 
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         sdk7786_fpga_init();
         sdk7786_nmi_init();
 
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index ffbf5bc7366b..35f6efa3ac0e 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -18,6 +18,8 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/delay.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smc91x.h>
 #include <linux/gpio.h>
 #include <linux/input.h>
@@ -454,6 +456,15 @@ static struct platform_device sh7724_usb1_gadget_device = {
         .resource       = sh7724_usb1_gadget_resources,
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0, SDHI1 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
 static struct resource sdhi0_cn7_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -684,6 +695,10 @@ static int __init devices_setup(void)
                                         &ms7724se_sdram_enter_end,
                                         &ms7724se_sdram_leave_start,
                                         &ms7724se_sdram_leave_end);
+
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* Reset Release */
         fpga_out = __raw_readw(FPGA_OUT);
         /* bit4: NTSC_PDN, bit5: NTSC_RESET */
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h
index 41f9f8b9db73..5340f3bc1863 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7757.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h
@@ -283,5 +283,7 @@ enum {
         SHDMA_SLAVE_RIIC8_RX,
         SHDMA_SLAVE_RIIC9_TX,
         SHDMA_SLAVE_RIIC9_RX,
+        SHDMA_SLAVE_RSPI_TX,
+        SHDMA_SLAVE_RSPI_RX,
 };
 #endif /* __ASM_SH7757_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index c87e78f73234..5f30f805d2f2 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -334,8 +334,8 @@ static struct clk_lookup lookups[] = {
         CLKDEV_CON_ID("tpu0", &mstp_clks[HWBLK_TPU]),
         CLKDEV_CON_ID("irda0", &mstp_clks[HWBLK_IRDA]),
         CLKDEV_CON_ID("tsif0", &mstp_clks[HWBLK_TSIF]),
-        CLKDEV_CON_ID("usb1", &mstp_clks[HWBLK_USB1]),
-        CLKDEV_CON_ID("usb0", &mstp_clks[HWBLK_USB0]),
+        CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[HWBLK_USB1]),
+        CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[HWBLK_USB0]),
         CLKDEV_CON_ID("2dg0", &mstp_clks[HWBLK_2DG]),
         CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[HWBLK_SDHI0]),
         CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[HWBLK_SDHI1]),
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 65786c7f5ded..6a868b091c2d 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
 #include <linux/sh_intc.h>
 #include <linux/uio_driver.h>
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index a7708425afa9..4a2f357f4df8 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -216,6 +216,20 @@ static const struct sh_dmae_slave_config sh7757_dmae1_slaves[] = {
                                   TS_INDEX2VAL(XMIT_SZ_8BIT),
                 .mid_rid        = 0x42,
         },
+        {
+                .slave_id       = SHDMA_SLAVE_RSPI_TX,
+                .addr           = 0xfe480004,
+                .chcr           = SM_INC | 0x800 | 0x40000000 |
+                                  TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc1,
+        },
+        {
+                .slave_id       = SHDMA_SLAVE_RSPI_RX,
+                .addr           = 0xfe480004,
+                .chcr           = DM_INC | 0x800 | 0x40000000 |
+                                  TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc2,
+        },
 };
 
 static const struct sh_dmae_slave_config sh7757_dmae2_slaves[] = {
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 1fc25d85e515..3bdc1ad9a341 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -58,11 +58,15 @@ static void show_pte(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pgd;
 
-        if (mm)
+        if (mm) {
                 pgd = mm->pgd;
-        else
+        } else {
                 pgd = get_TTB();
 
+                if (unlikely(!pgd))
+                        pgd = swapper_pg_dir;
+        }
+
         printk(KERN_ALERT "pgd = %p\n", pgd);
         pgd += pgd_index(addr);
         printk(KERN_ALERT "[%08lx] *pgd=%0*Lx", addr,