Commit 065d6261 authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-am642-sk: Enable WLAN connected to SDHCI0 



WL1837 module is connected to SDHCI0 in AM642 SK. Enable it here.
This will enable the WiFi functionaliy on the board.

Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: default avatarNikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: default avatarAparna M <a-m1@ti.com>
Reviewed-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20220414133612.13365-1-a-m1@ti.com
parent 439677d4

arch/arm64/boot/dts/ti/k3-am642-sk.dts

+62 −0
Original line number Diff line number Diff line
@@ -125,6 +125,31 @@ 
		vin-supply = <&vcc_3v3_sys>;

		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;

	};



	com8_ls_en: regulator-1 {

		compatible = "regulator-fixed";

		regulator-name = "com8_ls_en";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

		regulator-boot-on;

		pinctrl-0 = <&main_com8_ls_en_pins_default>;

		pinctrl-names = "default";

		gpio = <&main_gpio0 62 GPIO_ACTIVE_LOW>;

	};



	wlan_en: regulator-2 {

		/* output of SN74AVC4T245RSVR */

		compatible = "regulator-fixed";

		regulator-name = "wlan_en";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		enable-active-high;

		pinctrl-0 = <&main_wlan_en_pins_default>;

		pinctrl-names = "default";

		vin-supply = <&com8_ls_en>;

		gpio = <&main_gpio0 48 GPIO_ACTIVE_HIGH>;

	};

};



&main_pmx0 {
@@ -216,6 +241,23 @@ 
			AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */

		>;

	};

	main_wlan_en_pins_default: main-wlan-en-pins-default {

		pinctrl-single,pins = <

			AM64X_IOPAD(0x00c4, PIN_OUTPUT_PULLUP, 7) /* (V8) GPIO0_48 */

		>;

	};



	main_com8_ls_en_pins_default: main-com8-ls-en-pins-default {

		pinctrl-single,pins = <

			AM64X_IOPAD(0x00fc, PIN_OUTPUT, 7) /* (U7) PRG1_PRU0_GPO17.GPIO0_62 */

		>;

	};



	main_wlan_pins_default: main-wlan-pins-default {

		pinctrl-single,pins = <

			AM64X_IOPAD(0x00bc, PIN_INPUT, 7) /* (U8) GPIO0_46 */

		>;

	};

};



&mcu_uart0 {
@@ -293,6 +335,26 @@ 
	status = "reserved";

};



&sdhci0 {

	vmmc-supply = <&wlan_en>;

	bus-width = <4>;

	non-removable;

	cap-power-off-card;

	keep-power-in-suspend;

	ti,driver-strength-ohm = <50>;



	#address-cells = <1>;

	#size-cells = <0>;

	wlcore: wlcore@2 {

		compatible = "ti,wl1837";

		reg = <2>;

		pinctrl-0 = <&main_wlan_pins_default>;

		pinctrl-names = "default";

		interrupt-parent = <&main_gpio0>;

		interrupts = <46 IRQ_TYPE_EDGE_FALLING>;

	};

};



&sdhci1 {

	/* SD/MMC */

	vmmc-supply = <&vdd_mmc1>;