[Linux-stm32] [PATCH 06/22] ARM: dts: stm32: Repair SDMMC1 operation on AV96
Marek Vasut
marex at denx.de
Sat Mar 28 17:11:28 UTC 2020
The SD uses different pinmux for the D123DIRline, use such a pinmux,
otherwise there is a pinmux collision on the AV96. Add missing SD
voltage regulator switch and enable SDR104 operation.
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Alexandre Torgue <alexandre.torgue at st.com>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: linux-stm32 at st-md-mailman.stormreply.com
To: linux-arm-kernel at lists.infradead.org
---
arch/arm/boot/dts/stm32mp157a-avenger96.dts | 22 ++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
index e58653ccb60f..fe74ad68097c 100644
--- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts
+++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
@@ -77,6 +77,20 @@ led6 {
default-state = "off";
};
};
+
+ 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 = <&gpioi 5 GPIO_ACTIVE_HIGH>;
+ gpios-states = <0>;
+ states = <1800000 0x1>,
+ <2900000 0x0>;
+ };
};
ðernet0 {
@@ -305,16 +319,18 @@ &rtc {
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
- pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
- pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
- pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+ pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_b>;
+ pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_b>;
+ pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_b>;
cd-gpios = <&gpioi 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
disable-wp;
st,sig-dir;
st,neg-edge;
st,use-ckin;
+ sd-uhs-sdr104;
bus-width = <4>;
vmmc-supply = <&vdd_sd>;
+ vqmmc-supply = <&sd_switch>;
status = "okay";
};
--
2.25.1
More information about the Linux-stm32
mailing list