Commit 95ff4aab authored by Spyridon Papageorgiou's avatar Spyridon Papageorgiou Committed by Simon Horman
Browse files

arm64: dts: renesas: ulcb-kf: Add support for TI WL1837 



This patch adds description of TI WL1837 and links interfaces
to communicate with the IC, namely the SDIO interface to WLAN.

Signed-off-by: default avatarSpyridon Papageorgiou <spapageorgiou@de.adit-jv.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent c7d4df30

arch/arm64/boot/dts/renesas/ulcb-kf.dtsi

+49 −0
Original line number Diff line number Diff line
@@ -38,6 +38,18 @@ 
		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

	};



	wlan_en: regulator-wlan_en {

		compatible = "regulator-fixed";

		regulator-name = "wlan-en-regulator";



		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;



		gpio = <&gpio_exp_74 4 GPIO_ACTIVE_HIGH>;

		startup-delay-us = <70000>;

		enable-active-high;

	};

};



&can0 {
@@ -88,6 +100,13 @@ 
			line-name = "Audio_Out_OFF";

		};



		sd-wifi-mux {

			gpio-hog;

			gpios = <5 GPIO_ACTIVE_HIGH>;

			output-low;	/* Connect WL1837 */

			line-name = "SD WiFi mux";

		};



		hub_pwen {

			gpio-hog;

			gpios = <6 GPIO_ACTIVE_HIGH>;
@@ -254,6 +273,12 @@ 
		function = "scif1";

	};



	sdhi3_pins: sdhi3 {

		groups = "sdhi3_data4", "sdhi3_ctrl";

		function = "sdhi3";

		power-source = <3300>;

	};



	usb0_pins: usb0 {

		groups = "usb0";

		function = "usb0";
@@ -273,6 +298,30 @@ 
	status = "okay";

};



&sdhi3 {

	pinctrl-0 = <&sdhi3_pins>;

	pinctrl-names = "default";



	vmmc-supply = <&wlan_en>;

	vqmmc-supply = <&wlan_en>;

	bus-width = <4>;

	no-1-8-v;

	non-removable;

	cap-power-off-card;

	keep-power-in-suspend;

	max-frequency = <26000000>;

	status = "okay";



	#address-cells = <1>;

	#size-cells = <0>;

	wlcore: wlcore@2 {

		compatible = "ti,wl1837";

		reg = <2>;

		interrupt-parent = <&gpio1>;

		interrupts = <25 IRQ_TYPE_EDGE_FALLING>;

	};

};



&usb2_phy0 {

	pinctrl-0 = <&usb0_pins>;

	pinctrl-names = "default";

CRA Git | Maintained and supported by SUSTech CRA and CCSE