ARM: shmobile: kzm9g: SDHI0 and SDHI1 use a 3.3V power supply
authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Tue, 19 Mar 2013 12:47:39 +0000 (13:47 +0100)
committerSimon Horman <horms+renesas@verge.net.au>
Thu, 21 Mar 2013 10:34:52 +0000 (19:34 +0900)
kzm9g supplies 3.3V to its SDHI0 and SDHI2 interfaces. Specifying 2.8V
prevents some (e.g. certain SDIO) cards from working. This patch fixes the
voltage and removes redundant OCR masks from platform data.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
arch/arm/mach-shmobile/board-kzm9g.c

index 7fad4b9b2f439e9aaaeb75aa483e8373e02bb8f8..cadcf30e9641f5e79b08ac6074115ae8860902ab 100644 (file)
                regulator-boot-on;
        };
 
-       reg_2p8v: regulator@1 {
+       reg_3p3v: regulator@1 {
                compatible = "regulator-fixed";
-               regulator-name = "fixed-2.8V";
-               regulator-min-microvolt = <2800000>;
-               regulator-max-microvolt = <2800000>;
+               regulator-name = "fixed-3.3V";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
                regulator-always-on;
                regulator-boot-on;
        };
@@ -52,7 +52,7 @@
                interrupts = <0 83 4
                                0 84 4
                                0 85 4>;
-               vmmc-supply = <&reg_2p8v>;
+               vmmc-supply = <&reg_3p3v>;
                bus-width = <4>;
                toshiba,mmc-has-idle-wait;
        };
@@ -63,7 +63,7 @@
                interrupt-parent = <&gic>;
                interrupts = <0 104 4
                                0 105 4>;
-               vmmc-supply = <&reg_2p8v>;
+               vmmc-supply = <&reg_3p3v>;
                bus-width = <4>;
                broken-cd;
                toshiba,mmc-wrprotect-disable;
index d2ace3a9f603969494d027f001d982f4e98da467..e924b815c0c8bcbe605cbf76a42e08fd05131f2a 100644 (file)
@@ -375,8 +375,8 @@ static struct platform_device mmc_device = {
        .resource       = sh_mmcif_resources,
 };
 
-/* Fixed 2.8V regulators to be used by SDHI0 and SDHI2 */
-static struct regulator_consumer_supply fixed2v8_power_consumers[] =
+/* Fixed 3.3V regulators to be used by SDHI0 and SDHI2 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
 {
        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
@@ -390,7 +390,6 @@ static struct sh_mobile_sdhi_info sdhi0_info = {
        .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
        .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
        .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
-       .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
 };
 
 static struct resource sdhi0_resources[] = {
@@ -434,7 +433,6 @@ static struct sh_mobile_sdhi_info sdhi2_info = {
                          TMIO_MMC_USE_GPIO_CD |
                          TMIO_MMC_WRPROTECT_DISABLE,
        .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
-       .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
        .cd_gpio        = 13,
 };
 
@@ -716,8 +714,8 @@ static void __init kzm_init(void)
 {
        regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
                                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
-       regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers,
-                                    ARRAY_SIZE(fixed2v8_power_consumers), 2800000);
+       regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
+                                    ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
        regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 
        pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map));