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Commit dfa31117 authored by Sjoerd Simons's avatar Sjoerd Simons Committed by Heiko Stuebner
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ARM: dts: rockchip: Add the SDIO wifi on Radxa Rock2 square 



Enable the sdio0 slot on the Rock2 square which has a broadcom wifi chip
attached and add a power sequence to enable the wifi chip and turn on
the required 32k clock.

Signed-off-by: default avatarSjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 30c4cbcd

arch/arm/boot/dts/rk3288-rock2-square.dts

+31 −1
Original line number Diff line number Diff line
@@ -86,6 +86,15 @@ 
		#sound-dai-cells = <0>;

	};



	sdio_pwrseq: sdio-pwrseq {

		compatible = "mmc-pwrseq-simple";

		clocks = <&hym8563>;

		clock-names = "ext_clock";

		pinctrl-names = "default";

		pinctrl-0 = <&wifi_enable>;

		reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;

	};



	vcc_usb_host: vcc-host-regulator {

		compatible = "regulator-fixed";

		enable-active-high;
@@ -111,6 +120,21 @@ 
	};

};



&sdio0 {

	bus-width = <4>;

	cap-sd-highspeed;

	cap-sdio-irq;

	disable-wp;

	mmc-pwrseq = <&sdio_pwrseq>;

	non-removable;

	num-slots = <1>;

	pinctrl-names = "default";

	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk &sdio0_int>;

	vmmc-supply = <&vcc_io>;

	vqmmc-supply = <&vcc_18>;

	status = "okay";

};



&sdmmc {

	bus-width = <4>;

	cap-mmc-highspeed;
@@ -135,7 +159,7 @@ 
};



&i2c0 {

	hym8563@51 {

	hym8563: hym8563@51 {

		compatible = "haoyu,hym8563";

		reg = <0x51>;

		#clock-cells = <0>;
@@ -177,6 +201,12 @@ 
			rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};



	sdio {

		wifi_enable: wifi-enable {

			rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};

};



&spdif {