SD-card is available on Radxa E20C board.
Signed-off-by: Yao Zi <ziyao@xxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3528-radxa-e20c.dts | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index 5346ef457c2a..a52a7924bb75 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -15,6 +15,10 @@ / {
model = "Radxa E20C";
compatible = "radxa,e20c", "rockchip,rk3528";
+ aliases {
+ mmc1 = &sdmmc;
+ };
+
chosen {
stdout-path = "serial0:1500000n8";
};
@@ -104,6 +108,18 @@ vcc5v0_sys: regulator-5v0-vcc-sys {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
+
+ vccio_sd: regulator-vccio-sd {
+ compatible = "regulator-gpio";
+ gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_vol_ctrl_h>;
+ regulator-name = "vccio_sd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ states = <1800000 0x0>, <3300000 0x1>;
+ vin-supply = <&vcc5v0_sys>;
+ };
};
&pinctrl {
@@ -126,6 +142,12 @@ wan_led_g: wan-led-g {
rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ sdmmc {
+ sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {
+ rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
&saradc {
@@ -133,6 +155,18 @@ &saradc {
status = "okay";
};
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ no-sdio;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vccio_sd>;
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0m0_xfer>;
--
2.48.1
