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| author | Yann Gautier <yann.gautier@foss.st.com> | 2023-09-04 16:22:12 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2023-09-22 09:44:21 +0300 |
| commit | 74649c9895037eae02ecbe1c5d49c09529664769 (patch) | |
| tree | 3058109df5f21531d4ea2524288ddee35271175c /arch/arm64/boot/dts/st | |
| parent | 7db55ad3a64a46bfcdb6f902090f844654d60dfe (diff) | |
| download | linux-74649c9895037eae02ecbe1c5d49c09529664769.tar.xz | |
arm64: dts: st: add SD-card support on STM32MP257F-EV1 board
Add the configuration node for SD-card support on STM32MP257F-EV1 board.
For the moment it uses a fixed regulator for vmmc, and vqmmc is skipped
until regulator driver is available.
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Diffstat (limited to 'arch/arm64/boot/dts/st')
| -rw-r--r-- | arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts index 39b4726cc098..6c3b83c2b48f 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -6,6 +6,7 @@ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "stm32mp257.dtsi" #include "stm32mp25xf.dtsi" #include "stm32mp25-pinctrl.dtsi" @@ -39,6 +40,27 @@ no-map; }; }; + + vdd_sdcard: vdd-sdcard { + compatible = "regulator-fixed"; + regulator-name = "vdd_sdcard"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; +}; + +&sdmmc1 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc1_b4_pins_a>; + pinctrl-1 = <&sdmmc1_b4_od_pins_a>; + pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>; + cd-gpios = <&gpiod 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; + disable-wp; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <&vdd_sdcard>; + status = "okay"; }; &usart2 { |