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| author | Gabriel Fernandez <gabriel.fernandez@foss.st.com> | 2022-05-16 09:05:57 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2022-05-20 21:07:49 -0700 |
| commit | 83ce0357dcb7fc7270fcb2c5cfea420085b8770e (patch) | |
| tree | 8e5f9a8a6f094fc2e39cf35f5a7596dde841e369 /drivers/clk/stm32/clk-stm32mp13.c | |
| parent | ffa2d04d859e99d69d0c89d3dc50067022544354 (diff) | |
| download | lwn-83ce0357dcb7fc7270fcb2c5cfea420085b8770e.tar.gz lwn-83ce0357dcb7fc7270fcb2c5cfea420085b8770e.zip | |
clk: stm32mp13: add safe mux management
Some muxes need to set a the safe position when clock is off.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Link: https://lore.kernel.org/r/20220516070600.7692-12-gabriel.fernandez@foss.st.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/stm32/clk-stm32mp13.c')
| -rw-r--r-- | drivers/clk/stm32/clk-stm32mp13.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/clk/stm32/clk-stm32mp13.c b/drivers/clk/stm32/clk-stm32mp13.c index 08e3fe05d6d0..1192eee8abe4 100644 --- a/drivers/clk/stm32/clk-stm32mp13.c +++ b/drivers/clk/stm32/clk-stm32mp13.c @@ -359,6 +359,9 @@ enum enum_mux_cfg { #define CFG_MUX(_id, _offset, _shift, _witdh)\ _CFG_MUX(_id, _offset, _shift, _witdh, MUX_NO_RDY, 0) +#define CFG_MUX_SAFE(_id, _offset, _shift, _witdh)\ + _CFG_MUX(_id, _offset, _shift, _witdh, MUX_NO_RDY, MUX_SAFE) + static const struct stm32_mux_cfg stm32mp13_muxes[] = { CFG_MUX(MUX_I2C12, RCC_I2C12CKSELR, 0, 3), CFG_MUX(MUX_LPTIM45, RCC_LPTIM45CKSELR, 0, 3), @@ -394,10 +397,10 @@ static const struct stm32_mux_cfg stm32mp13_muxes[] = { CFG_MUX(MUX_UART6, RCC_UART6CKSELR, 0, 3), CFG_MUX(MUX_USBO, RCC_USBCKSELR, 4, 1), CFG_MUX(MUX_USBPHY, RCC_USBCKSELR, 0, 2), - CFG_MUX(MUX_FMC, RCC_FMCCKSELR, 0, 2), - CFG_MUX(MUX_QSPI, RCC_QSPICKSELR, 0, 2), - CFG_MUX(MUX_SDMMC1, RCC_SDMMC12CKSELR, 0, 3), - CFG_MUX(MUX_SDMMC2, RCC_SDMMC12CKSELR, 3, 3), + CFG_MUX_SAFE(MUX_FMC, RCC_FMCCKSELR, 0, 2), + CFG_MUX_SAFE(MUX_QSPI, RCC_QSPICKSELR, 0, 2), + CFG_MUX_SAFE(MUX_SDMMC1, RCC_SDMMC12CKSELR, 0, 3), + CFG_MUX_SAFE(MUX_SDMMC2, RCC_SDMMC12CKSELR, 3, 3), }; struct clk_stm32_securiy { |