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| author |   Marek Vasut <marex@denx.de> | 2021-01-24 18:02:58 +0100 |
|---|---|---|
| committer |   Alexandre Torgue <alexandre.torgue@foss.st.com> | 2021-01-25 15:17:20 +0100 |
| commit | c6499becd72b34cf1d9b5b15a56b2d17f6107efd (patch) | |
| tree | dc9cbf3145177e41561174e89c660afbe83ebd55 /arch/arm/boot/dts | |
| parent | ARM: dts: stm32: Add additional init state for SDMMC1 pins (diff) | |
| download | linux-dev-c6499becd72b34cf1d9b5b15a56b2d17f6107efd.tar.xz linux-dev-c6499becd72b34cf1d9b5b15a56b2d17f6107efd.zip | |
ARM: dts: stm32: Enable voltage translator auto-detection on DHCOM
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>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi index 2a20818c91e4..2617815e42a6 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi @@ -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"; |