Enable SDIO on Radxa ROCK 5 Model B M.2 Key E. Add sdio node and alias as mmc2.
Add regulator for the 3.3 V rail bringing it up during boot. Make sure EKEY_EN
is muxed as GPIO.
Signed-off-by: Tamás Szűcs <tszucs@xxxxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3588-rock-5b.dts | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 8ab60968f275..d1c3f9e10b3d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -12,6 +12,7 @@ / {
aliases {
mmc0 = &sdhci;
mmc1 = &sdmmc;
+ mmc2 = &sdio;
serial2 = &uart2;
};
@@ -76,6 +77,21 @@ vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
regulator-max-microvolt = <1100000>;
vin-supply = <&vcc5v0_sys>;
};
+
+ vcc3v3_wf: vcc3v3-wf-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_wf";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc3v3_wf_en>;
+ startup-delay-us = <50000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
};
&cpu_b0 {
@@ -222,6 +238,12 @@ vcc5v0_host_en: vcc5v0-host-en {
rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ m2e {
+ vcc3v3_wf_en: vcc3v3-wf-en {
+ rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
&pwm1 {
@@ -258,6 +280,27 @@ &sdmmc {
status = "okay";
};
+&sdio {
+ max-frequency = <200000000>;
+ no-sd;
+ no-mmc;
+ non-removable;
+ bus-width = <4>;
+ cap-sdio-irq;
+ disable-wp;
+ keep-power-in-suspend;
+ wakeup-source;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc3v3_wf>;
+ vqmmc-supply = <&vcc_1v8_s3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdiom0_pins>;
+ status = "okay";
+};
+
&spi2 {
status = "okay";
assigned-clocks = <&cru CLK_SPI2>;
--
2.40.1
