@@ -96,6 +96,24 @@ vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
vin-supply = <&vcc_1v8>;
};
+ /* micro SD card power */
+ vcc3v0_sd: vcc3v0-sd {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0_pwr_h>;
+ regulator-name = "vcc3v0_sd";
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ vin-supply = <&vcc3v3_sys>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
vcc3v3_pcie: vcc3v3-pcie-regulator {
compatible = "regulator-fixed";
enable-active-high;
@@ -603,6 +621,13 @@ vsel2_gpio: vsel2-gpio {
};
};
+ sdcard {
+ sdmmc0_pwr_h: sdmmc0-pwr-h {
+ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ };
+
sdio-pwrseq {
wifi_enable_h: wifi-enable-h {
rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -661,6 +686,8 @@ &sdmmc {
max-frequency = <150000000>;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
+ vmmc-supply = <&vcc3v0_sd>;
+ vqmmc-supply = <&vcc_sdio>;
status = "okay";
};
This patch adds the RockPro64's micro SD card regulator to the RockPro64 dtsi. The regulator is present on all revisions of the device. Previously the regular was missing, resulting in unreliable boot behaviour when booting from SD card. Signed-off-by: Tobias Schramm <t.schramm@manjaro.org> --- .../boot/dts/rockchip/rk3399-rockpro64.dtsi | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+)