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authornaveenk <naveenk@nvidia.com>2012-05-25 15:19:01 +0530
committerSimone Willett <swillett@nvidia.com>2012-06-04 14:20:26 -0700
commit273508080837e0dcaf90b2fdf95b587e71517e0e (patch)
treeb27ce42b81ecee37c062b30783c28f99dd6cfae3
parent1452f874713a224c1e7f5fb6f203325d0fb0a815 (diff)
arm: tegra: enable 1.8 volts through ocr_mask for sdio
sdio supports 1.8 volts, setting 1.8 volts for cardhu, kai, ventana, whistler Bug 979504 Change-Id: I8f03b01e0792ac0e6abe74ce898934e65762fb85 Signed-off-by: naveen kumar arepalli <naveenk@nvidia.com> Reviewed-on: http://git-master/r/104712 Reviewed-by: Simone Willett <swillett@nvidia.com> Tested-by: Simone Willett <swillett@nvidia.com>
-rw-r--r--arch/arm/mach-tegra/board-cardhu-sdhci.c1
-rw-r--r--arch/arm/mach-tegra/board-kai-sdhci.c1
-rw-r--r--arch/arm/mach-tegra/board-ventana-sdhci.c1
-rw-r--r--arch/arm/mach-tegra/board-whistler-sdhci.c1
-rw-r--r--arch/arm/mach-tegra/include/mach/sdhci.h8
5 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu-sdhci.c b/arch/arm/mach-tegra/board-cardhu-sdhci.c
index cb0684bcc742..d8be9fe6747f 100644
--- a/arch/arm/mach-tegra/board-cardhu-sdhci.c
+++ b/arch/arm/mach-tegra/board-cardhu-sdhci.c
@@ -145,6 +145,7 @@ static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
.embedded_sdio = &embedded_sdio_data2,
#endif
.built_in = 0,
+ .ocr_mask = MMC_OCR_1V8_MASK,
},
#ifndef CONFIG_MMC_EMBEDDED_SDIO
.pm_flags = MMC_PM_KEEP_POWER,
diff --git a/arch/arm/mach-tegra/board-kai-sdhci.c b/arch/arm/mach-tegra/board-kai-sdhci.c
index bc062b55c68b..0fa39ccf475d 100644
--- a/arch/arm/mach-tegra/board-kai-sdhci.c
+++ b/arch/arm/mach-tegra/board-kai-sdhci.c
@@ -106,6 +106,7 @@ static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
.mmc_data = {
.register_status_notify = kai_wifi_status_register,
.built_in = 0,
+ .ocr_mask = MMC_OCR_1V8_MASK,
},
#ifndef CONFIG_MMC_EMBEDDED_SDIO
.pm_flags = MMC_PM_KEEP_POWER,
diff --git a/arch/arm/mach-tegra/board-ventana-sdhci.c b/arch/arm/mach-tegra/board-ventana-sdhci.c
index aaf4948d5882..9d426aadff79 100644
--- a/arch/arm/mach-tegra/board-ventana-sdhci.c
+++ b/arch/arm/mach-tegra/board-ventana-sdhci.c
@@ -131,6 +131,7 @@ static struct tegra_sdhci_platform_data tegra_sdhci_platform_data0 = {
.embedded_sdio = &embedded_sdio_data0,
#endif
.built_in = 0,
+ .ocr_mask = MMC_OCR_1V8_MASK,
},
#ifndef CONFIG_MMC_EMBEDDED_SDIO
.pm_flags = MMC_PM_KEEP_POWER,
diff --git a/arch/arm/mach-tegra/board-whistler-sdhci.c b/arch/arm/mach-tegra/board-whistler-sdhci.c
index 2d2a9c8c01f8..491688052858 100644
--- a/arch/arm/mach-tegra/board-whistler-sdhci.c
+++ b/arch/arm/mach-tegra/board-whistler-sdhci.c
@@ -168,6 +168,7 @@ static struct tegra_sdhci_platform_data tegra_sdhci_platform_data1 = {
.embedded_sdio = &embedded_sdio_data1,
#endif
.built_in = 0,
+ .ocr_mask = MMC_OCR_1V8_MASK,
},
#ifndef CONFIG_MMC_EMBEDDED_SDIO
.pm_flags = MMC_PM_KEEP_POWER,
diff --git a/arch/arm/mach-tegra/include/mach/sdhci.h b/arch/arm/mach-tegra/include/mach/sdhci.h
index 5dc8cd2ddf76..e307506eb40b 100644
--- a/arch/arm/mach-tegra/include/mach/sdhci.h
+++ b/arch/arm/mach-tegra/include/mach/sdhci.h
@@ -20,6 +20,14 @@
#include <linux/mmc/host.h>
#include <asm/mach/mmc.h>
+/*
+ * MMC_OCR_1V8_MASK will be used in board sdhci file
+ * Example for cardhu it will be used in board-cardhu-sdhci.c
+ * for built_in = 0 devices enabling ocr_mask to MMC_OCR_1V8_MASK
+ * sets the voltage to 1.8V
+ */
+#define MMC_OCR_1V8_MASK 0x8
+
struct tegra_sdhci_platform_data {
int cd_gpio;
int wp_gpio;