leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: shmobile: kzm9g: SDHI0 and SDHI1 use a 3.3V power supply

Browse Source 
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>
This commit is contained in:
Guennadi Liakhovetski 2013-03-19 13:47:39 +01:00 committed by Simon Horman
parent 48296a13e7
commit c791c036f8
2 changed files with 10 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
View File

@ -36,11 +36,11 @@
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;

10
arch/arm/mach-shmobile/board-kzm9g.c
View 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));