diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2016-11-30 16:52:39 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2017-01-11 17:44:03 +0100 |
| commit | 9b1d7cae48113f4443768a8a73c9fe4a12e2ada0 (patch) | |
| tree | 47be5675973117ac090e0756796d734977dabd79 /arch | |
| parent | d257bdecf964c6af3009f323087d28000af26a0c (diff) | |
mmc: tegra: allow disabling external clock loopback
Introduce CONFIG_TEGRA124_MMC_DISABLE_EXT_LOOPBACK to disable the external clock
loopback and use the internal one on SDMMC3 as per the SDMMC_VENDOR_MISC_CNTRL_0
register's SDMMC_SPARE1 bits being set to 0xfffd according to the TRM.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/tegra_mmc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/tegra_mmc.h b/arch/arm/include/asm/arch-tegra/tegra_mmc.h index 64c848acb1..c40599ab19 100644 --- a/arch/arm/include/asm/arch-tegra/tegra_mmc.h +++ b/arch/arm/include/asm/arch-tegra/tegra_mmc.h @@ -108,6 +108,8 @@ struct tegra_mmc { #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT 8 #define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_MASK (0xff << 8) +#define TEGRA_MMC_MISCON_ENABLE_EXT_LOOPBACK (1 << 17) + #define TEGRA_MMC_SWRST_SW_RESET_FOR_ALL (1 << 0) #define TEGRA_MMC_SWRST_SW_RESET_FOR_CMD_LINE (1 << 1) #define TEGRA_MMC_SWRST_SW_RESET_FOR_DAT_LINE (1 << 2) |