Commit 2ed1e354 authored by Peter Geis's avatar Peter Geis Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: add Quartz64-A sdmmc1 node 



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: default avatarPeter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220128003809.3291407-4-pgwipeout@gmail.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 827dfba8

arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts

+43 −0
Original line number Diff line number Diff line
@@ -73,6 +73,17 @@ 
		};

	};



	sdio_pwrseq: sdio-pwrseq {

		compatible = "mmc-pwrseq-simple";

		clocks = <&rk817 1>;

		clock-names = "ext_clock";

		pinctrl-names = "default";

		pinctrl-0 = <&wifi_enable_h>;

		post-power-on-delay-ms = <100>;

		power-off-delay-us = <5000000>;

		reset-gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_LOW>;

	};



	spdif_dit: spdif-dit {

		compatible = "linux,spdif-dit";

		#sound-dai-cells = <0>;
@@ -163,6 +174,17 @@ 
		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 {
@@ -499,6 +521,12 @@ 
		};

	};



	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>;
@@ -540,6 +568,21 @@ 
	status = "okay";

};



&sdmmc1 {

	bus-width = <4>;

	cap-sd-highspeed;

	cap-sdio-irq;

	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";

};