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| author | Ludovic Barre <ludovic.barre@st.com> | 2020-01-28 10:06:35 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-03-24 14:35:40 +0100 |
| commit | 94b94a93e3554f291316263a91ada93390befa83 (patch) | |
| tree | 7222639aafac922029c2a26a58b04c91b8d74b34 /drivers/mmc/host/mmci.h | |
| parent | mmc: mmci: Add callbacks for to manage signal voltage switch (diff) | |
| download | linux-94b94a93e3554f291316263a91ada93390befa83.tar.xz linux-94b94a93e3554f291316263a91ada93390befa83.zip | |
mmc: mmci_sdmmc: Implement signal voltage callbacks
To prepare the voltage switch procedure, the VSWITCHEN bit must be set
before sending the CMD11. To confirm completion of voltage switch, the
VSWEND flag must be checked.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200128090636.13689-9-ludovic.barre@st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/mmci.h')
| -rw-r--r-- | drivers/mmc/host/mmci.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index c3bc0a38d4cb..e1a9b96a3396 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -165,6 +165,7 @@ /* Extended status bits for the STM32 variants */ #define MCI_STM32_BUSYD0 BIT(20) #define MCI_STM32_BUSYD0END BIT(21) +#define MCI_STM32_VSWEND BIT(25) #define MMCICLEAR 0x038 #define MCI_CMDCRCFAILCLR (1 << 0) @@ -182,6 +183,9 @@ #define MCI_ST_SDIOITC (1 << 22) #define MCI_ST_CEATAENDC (1 << 23) #define MCI_ST_BUSYENDC (1 << 24) +/* Extended clear bits for the STM32 variants */ +#define MCI_STM32_VSWENDC BIT(25) +#define MCI_STM32_CKSTOPC BIT(26) #define MMCIMASK0 0x03c #define MCI_CMDCRCFAILMASK (1 << 0) |