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ARM: dts: stm32: Add additional init state for SDMMC1 pins

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Add "init" mux option for SDMMC1, where the CMD, CK, CKIN lines are not
configured, so they can be claimed as GPIOs early on in driver probe().
This is used for probing optional voltage level translator.

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 18:02:57 +01:00
committed by Alexandre Torgue
parent 8ba396551d
commit 1769b7f92a
1 changed files with 23 additions and 0 deletions
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23
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
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@@ -1273,6 +1273,18 @@
};
};
sdmmc1_b4_init_pins_a: sdmmc1-b4-init-0 {
pins1 {
pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
<STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
<STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
<STM32_PINMUX('C', 11, AF12)>; /* SDMMC1_D3 */
slew-rate = <1>;
drive-push-pull;
bias-disable;
};
};
sdmmc1_b4_sleep_pins_a: sdmmc1-b4-sleep-0 {
pins {
pinmux = <STM32_PINMUX('C', 8, ANALOG)>, /* SDMMC1_D0 */
@@ -1299,6 +1311,17 @@
};
};
sdmmc1_dir_init_pins_a: sdmmc1-dir-init-0 {
pins1 {
pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */
<STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */
<STM32_PINMUX('B', 9, AF11)>; /* SDMMC1_CDIR */
slew-rate = <1>;
drive-push-pull;
bias-pull-up;
};
};
sdmmc1_dir_sleep_pins_a: sdmmc1-dir-sleep-0 {
pins {
pinmux = <STM32_PINMUX('F', 2, ANALOG)>, /* SDMMC1_D0DIR */