The sdmmc1 node on Quartz64-A supports the optional wifi module from
Pine64.
Add the sdmmc1 node and requisite sdio_pwrseq to enable wifi support on
the Quartz64-A.
Signed-off-by: Peter Geis <pgwipeout@xxxxxxxxx>
---
.../boot/dts/rockchip/rk3566-quartz64-a.dts | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 33c2c18caaa9..1d73ac6557c5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -91,6 +91,18 @@ simple-audio-card,codec {
};
};
+ sdio_pwrseq: sdio-pwrseq {
+ status = "okay";
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&rk817 1>;
+ clock-names = "ext_clock";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_enable_h>;
+ reset-gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_LOW>;
+ post-power-on-delay-ms = <100>;
+ power-off-delay-us = <5000000>;
+ };
+
vcc12v_dcin: vcc12v_dcin {
compatible = "regulator-fixed";
regulator-name = "vcc12v_dcin";
@@ -147,6 +159,17 @@ vcc_sys: vcc_sys {
regulator-max-microvolt = <4400000>;
vin-supply = <&vbus>;
};
+
+ /* sourced from vcc_sys, sdio module operates internally at 3.3v */
+ vcc_wl: vcc_wl {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_wl";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_sys>;
+ };
};
&cpu0 {
@@ -475,6 +498,12 @@ pmic_int_l: pmic-int-l {
};
};
+ sdio-pwrseq {
+ wifi_enable_h: wifi-enable-h {
+ rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
vcc_sd {
vcc_sd_h: vcc-sd-h {
rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -516,6 +545,22 @@ &sdmmc0 {
status = "okay";
};
+&sdmmc1 {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+ disable-wp;
+ keep-power-in-suspend;
+ mmc-pwrseq = <&sdio_pwrseq>;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc1_bus4 &sdmmc1_cmd &sdmmc1_clk>;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc_wl>;
+ vqmmc-supply = <&vcc_1v8>;
+ status = "okay";
+};
+
&spdif {
status = "okay";
};
--
2.25.1
