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ARM: dts: stm32: add sdmmc1 support on stm32h743i eval board 

This patch adds sdmmc1 support on stm32h743i eval board.
This board has an external driver to control signal direction polarity.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
hifive-unleashed-5.2
Ludovic Barre 2019-03-01 09:47:00 +01:00 committed by Alexandre Torgue
parent 61c0f6b8b4
commit 90f16fea40
2 changed files with 90 additions and 1 deletions
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68
arch/arm/boot/dts/stm32h743-pinctrl.dtsi
View File

@ -188,6 +188,74 @@
};
};
sdmmc1_b4_pins_a: sdmmc1-b4-0 {
pins {
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 */
<STM32_PINMUX('C', 12, AF12)>, /* SDMMC1_CK */
<STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
slew-rate = <3>;
drive-push-pull;
bias-disable;
};
};
sdmmc1_b4_od_pins_a: sdmmc1-b4-od-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 */
<STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */
slew-rate = <3>;
drive-push-pull;
bias-disable;
};
pins2{
pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
slew-rate = <3>;
drive-open-drain;
bias-disable;
};
};
sdmmc1_b4_sleep_pins_a: sdmmc1-b4-sleep-0 {
pins {
pinmux = <STM32_PINMUX('C', 8, ANALOG)>, /* SDMMC1_D0 */
<STM32_PINMUX('C', 9, ANALOG)>, /* SDMMC1_D1 */
<STM32_PINMUX('C', 10, ANALOG)>, /* SDMMC1_D2 */
<STM32_PINMUX('C', 11, ANALOG)>, /* SDMMC1_D3 */
<STM32_PINMUX('C', 12, ANALOG)>, /* SDMMC1_CK */
<STM32_PINMUX('D', 2, ANALOG)>; /* SDMMC1_CMD */
};
};
sdmmc1_dir_pins_a: sdmmc1-dir-0 {
pins1 {
pinmux = <STM32_PINMUX('C', 6, AF8)>, /* SDMMC1_D0DIR */
<STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */
<STM32_PINMUX('B', 9, AF7)>; /* SDMMC1_CDIR */
slew-rate = <3>;
drive-push-pull;
bias-pull-up;
};
pins2{
pinmux = <STM32_PINMUX('B', 8, AF7)>; /* SDMMC1_CKIN */
bias-pull-up;
};
};
sdmmc1_dir_sleep_pins_a: sdmmc1-dir-sleep-0 {
pins {
pinmux = <STM32_PINMUX('C', 6, ANALOG)>, /* SDMMC1_D0DIR */
<STM32_PINMUX('C', 7, ANALOG)>, /* SDMMC1_D123DIR */
<STM32_PINMUX('B', 9, ANALOG)>, /* SDMMC1_CDIR */
<STM32_PINMUX('B', 8, ANALOG)>; /* SDMMC1_CKIN */
};
};
usart1_pins: usart1@0 {
pins1 {
pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */

23
arch/arm/boot/dts/stm32h743i-eval.dts
View File

@ -70,13 +70,20 @@
regulator-always-on;
};
v2v9_sd: regulator-v2v9_sd {
compatible = "regulator-fixed";
regulator-name = "v2v9_sd";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
regulator-always-on;
};
usbotg_hs_phy: usb-phy {
#phy-cells = <0>;
compatible = "usb-nop-xceiv";
clocks = <&rcc USB1ULPI_CK>;
clock-names = "main_clk";
};
};
&adc_12 {
@ -122,6 +129,20 @@
};
};
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
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>;
broken-cd;
st,sig-dir;
st,neg-edge;
st,use-ckin;
bus-width = <4>;
vmmc-supply = <&v2v9_sd>;
status = "okay";
};
&usart1 {
pinctrl-0 = <&usart1_pins>;
pinctrl-names = "default";