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ARM: dts: stm32: Enable voltage translator auto-detection on DHCOM

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The DHCOM SoM uSD slot has an optional voltage level translator, add
DT bindings which permit the MMCI driver to detect the translator
automatically.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Ludovic Barre <ludovic.barre@st.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-stm32@st-md-mailman.stormreply.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Marek Vasut
2021-01-24 18:02:58 +01:00
committed by Alexandre Torgue
parent 1769b7f92a
commit c6499becd7
1 changed files with 6 additions and 1 deletions
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7
arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
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@@ -386,14 +386,19 @@
};
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
pinctrl-names = "default", "opendrain", "sleep", "init";
pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
pinctrl-3 = <&sdmmc1_b4_init_pins_a &sdmmc1_dir_init_pins_a>;
cd-gpios = <&gpiog 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
disable-wp;
st,sig-dir;
st,neg-edge;
st,use-ckin;
st,cmd-gpios = <&gpiod 2 0>;
st,ck-gpios = <&gpioc 12 0>;
st,ckin-gpios = <&gpioe 4 0>;
bus-width = <4>;
vmmc-supply = <&vdd_sd>;
status = "okay";