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arm64: dts: st: add SD-card support on STM32MP257F-EV1 board

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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>
This commit is contained in:
Yann Gautier 2023-09-04 15:22:12 +02:00 committed by Alexandre Torgue
parent 7db55ad3a6
commit 74649c9895
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
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@ -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 @@ fw@80000000 {
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 {