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authorLudovic Barre <ludovic.barre@st.com>2019-03-26 14:01:52 +0300
committerAlexandre Torgue <alexandre.torgue@st.com>2019-04-11 12:22:00 +0300
commit379edbe434e787a40b757ebe371c779c69fc1038 (patch)
treee585c417d50619f9ed903e49bd8fa64a7dcb3740 /arch/arm/boot/dts/stm32mp157c-ed1.dts
parent8d17cf7a8e8b1ed3e979b1740401e72150fca5e9 (diff)
downloadlinux-379edbe434e787a40b757ebe371c779c69fc1038.tar.xz
ARM: dts: stm32: add sdmmc1 support on stm32mp157c ed1 board
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>
Diffstat (limited to 'arch/arm/boot/dts/stm32mp157c-ed1.dts')
-rw-r--r--arch/arm/boot/dts/stm32mp157c-ed1.dts37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index d66edb0c66cd..7f4b828d7931 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -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 */