From: Marek Vasut <marex@denx.de>
To: linux-mmc@vger.kernel.org
Cc: Marek Vasut <marex@denx.de>,
Alexandre Torgue <alexandre.torgue@st.com>,
Linus Walleij <linus.walleij@linaro.org>,
Ludovic Barre <ludovic.barre@st.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
linux-stm32@st-md-mailman.stormreply.com
Subject: [PATCH 3/4] ARM: dts: stm32: Add additional init state for SDMMC1 pins
Date: Sat, 16 Jan 2021 19:04:23 +0100 [thread overview]
Message-ID: <20210116180424.57331-3-marex@denx.de> (raw)
In-Reply-To: <20210116180424.57331-1-marex@denx.de>
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
---
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index d8297dfff3e6..687f3534ba22 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1385,6 +1385,18 @@ pins {
};
};
+ 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_dir_pins_a: sdmmc1-dir-0 {
pins1 {
pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */
@@ -1409,6 +1421,17 @@ pins {
};
};
+ 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_pins_b: sdmmc1-dir-1 {
pins1 {
pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */
--
2.29.2
next prev parent reply other threads:[~2021-01-16 18:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-16 18:04 [PATCH 1/4] mmc: mmci: Add bindings to operate CMD, CK, CKIN pins as GPIO Marek Vasut
2021-01-16 18:04 ` [PATCH 2/4] mmc: mmci: Add support for probing bus voltage level translator Marek Vasut
2021-01-21 21:04 ` Linus Walleij
2021-01-22 16:11 ` [Linux-stm32] " Yann GAUTIER
2021-01-16 18:04 ` Marek Vasut [this message]
2021-01-16 18:04 ` [PATCH 4/4] ARM: dts: stm32: Enable voltage translator auto-detection on DHCOM Marek Vasut
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