diff options
| author | naveenk <naveenk@nvidia.com> | 2012-05-25 15:19:01 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-06-04 14:20:26 -0700 |
| commit | 273508080837e0dcaf90b2fdf95b587e71517e0e (patch) | |
| tree | b27ce42b81ecee37c062b30783c28f99dd6cfae3 /arch/arm/mach-tegra/include/mach | |
| parent | 1452f874713a224c1e7f5fb6f203325d0fb0a815 (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>
Diffstat (limited to 'arch/arm/mach-tegra/include/mach')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/sdhci.h | 8 |
1 files changed, 8 insertions, 0 deletions
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; |