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ARM: dts: stm32: add sdmmc1 support on stm32mp157c ed1 board

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This patch adds sdmmc1 support on stm32mp157c ed1 board.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Ludovic Barre 2019-03-26 12:01:52 +01:00 committed by Alexandre Torgue
parent 8d17cf7a8e
commit 379edbe434
2 changed files with 105 additions and 0 deletions
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68
arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
View File

@ -325,6 +325,74 @@
};
};
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('F', 2, AF11)>, /* SDMMC1_D0DIR */
<STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */
<STM32_PINMUX('B', 9, AF11)>; /* SDMMC1_CDIR */
slew-rate = <3>;
drive-push-pull;
bias-pull-up;
};
pins2{
pinmux = <STM32_PINMUX('E', 4, AF8)>; /* SDMMC1_CKIN */
bias-pull-up;
};
};
sdmmc1_dir_sleep_pins_a: sdmmc1-dir-sleep-0 {
pins {
pinmux = <STM32_PINMUX('F', 2, ANALOG)>, /* SDMMC1_D0DIR */
<STM32_PINMUX('C', 7, ANALOG)>, /* SDMMC1_D123DIR */
<STM32_PINMUX('B', 9, ANALOG)>, /* SDMMC1_CDIR */
<STM32_PINMUX('E', 4, ANALOG)>; /* SDMMC1_CKIN */
};
};
uart4_pins_a: uart4-0 {
pins1 {
pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */

37
arch/arm/boot/dts/stm32mp157c-ed1.dts
View File

@ -7,6 +7,7 @@
#include "stm32mp157c.dtsi"
#include "stm32mp157-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
model = "STMicroelectronics STM32MP157C eval daughter";
@ -41,6 +42,14 @@
regulator-always-on;
};
vdd_sd: regulator-vdd_sd {
compatible = "regulator-fixed";
regulator-name = "vdd_sd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vdd_usb: vdd-usb {
compatible = "regulator-fixed";
regulator-name = "vdd_usb";
@ -48,6 +57,19 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
sd_switch: regulator-sd_switch {
compatible = "regulator-gpio";
regulator-name = "sd_switch";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2900000>;
regulator-type = "voltage";
regulator-always-on;
gpios = <&gpiof 14 GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
states = <1800000 0x1 2900000 0x0>;
};
};
&dts {
@ -75,6 +97,21 @@
status = "okay";
};
&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 = <&vdd_sd>;
vqmmc-supply = <&sd_switch>;
status = "okay";
};
&timers6 {
status = "okay";
/* spare dmas for other usage */