diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2018-01-30 16:01:46 +0100 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-02-19 16:58:55 +0900 |
| commit | 04f9f8be8301ec7a9be6371c558fd20a7b9a179a (patch) | |
| tree | 9f440c5557b061426a3fd76a4ccd0690cb873887 /arch | |
| parent | 90321dce0da1ba0844a7066a1034cdf73b8613c6 (diff) | |
mmc: omap_hsmmc: add signal voltage selection support
I/O data lines of UHS SD card operates at 1.8V when in UHS speed
mode (same is true for eMMC in DDR and HS200 modes). Add support
to switch signal voltage to 1.8V in order to support
UHS cards and eMMC HS200 and DDR modes.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/omap_mmc.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/include/asm/omap_mmc.h b/arch/arm/include/asm/omap_mmc.h index c50087e135..c6129c5348 100644 --- a/arch/arm/include/asm/omap_mmc.h +++ b/arch/arm/include/asm/omap_mmc.h @@ -172,10 +172,6 @@ struct omap_hsmmc_plat { #define VS30_3V0SUP BIT(25) #define VS18_1V8SUP BIT(26) -#define IOV_3V3 3300000 -#define IOV_3V0 3000000 -#define IOV_1V8 1800000 - #define AC12_ET BIT(22) #define AC12_V1V8_SIGEN BIT(19) #define AC12_SCLK_SEL BIT(23) @@ -224,6 +220,12 @@ struct omap_hsmmc_plat { IE_DTO | IE_CIE | IE_CEB | IE_CCRC | IE_ADMAE | IE_CTO |\ IE_BRR | IE_BWR | IE_TC | IE_CC) +#define CON_CLKEXTFREE BIT(16) +#define CON_PADEN BIT(15) +#define PSTATE_CLEV BIT(24) +#define PSTATE_DLEV (0xF << 20) +#define PSTATE_DLEV_DAT0 (0x1 << 20) + int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, int wp_gpio); |