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Open Menu /sys/gnu/dts/arm/omap4-var-som-om44-wlan.dtsi 
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// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014 Joachim Eastwood <manabian@gmail.com>
 */

/ {
	/* regulator for wl12xx on sdio4 */
	wl12xx_vmmc: wl12xx_vmmc {
		pinctrl-names = "default";
		pinctrl-0 = <&wl12xx_ctrl_pins>;
		compatible = "regulator-fixed";
		regulator-name = "vwl1271";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>;	/* gpio 43 */
		startup-delay-us = <70000>;
		enable-active-high;
	};
};

&omap4_pmx_core {
	uart2_pins: pinmux_uart2_pins {
		pinctrl-single,pins = <
			OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart2_cts.uart2_cts */
			OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0)		/* uart2_rts.uart2_rts */
			OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart2_rx.uart2_rx */
			OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0)		/* uart2_tx.uart2_tx */
		>;
	};

	wl12xx_ctrl_pins: pinmux_wl12xx_ctrl_pins {
		pinctrl-single,pins = <
			OMAP4_IOPAD(0x062, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_a17.gpio_41 (WLAN_IRQ) */
			OMAP4_IOPAD(0x064, PIN_OUTPUT | MUX_MODE3)		/* gpmc_a18.gpio_42 (BT_EN) */
			OMAP4_IOPAD(0x066, PIN_OUTPUT | MUX_MODE3)		/* gpmc_a19.gpio_43 (WLAN_EN) */
		>;
	};

	mmc4_pins: pinmux_mmc4_pins {
		pinctrl-single,pins = <
			OMAP4_IOPAD(0x154, PIN_INPUT_PULLUP | MUX_MODE1)	/* mcspi4_clk.sdmmc4_clk */
			OMAP4_IOPAD(0x156, PIN_INPUT_PULLUP | MUX_MODE1)	/* mcspi4_simo.sdmmc4_cmd */
			OMAP4_IOPAD(0x158, PIN_INPUT_PULLUP | MUX_MODE1)	/* mcspi4_somi.sdmmc4_dat0 */
			OMAP4_IOPAD(0x15e, PIN_INPUT_PULLUP | MUX_MODE1)	/* uart4_tx.sdmmc4_dat1 */
			OMAP4_IOPAD(0x15c, PIN_INPUT_PULLUP | MUX_MODE1)	/* uart4_rx.sdmmc4_dat2 */
			OMAP4_IOPAD(0x15a, PIN_INPUT_PULLUP | MUX_MODE1)	/* mcspi4_cs0.sdmmc4_dat3 */
		>;
	};
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_pins>;
	status = "okay";
};

&mmc4 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc4_pins>;
	vmmc-supply = <&wl12xx_vmmc>;
	non-removable;
	bus-width = <4>;
	cap-power-off-card;
	status = "okay";

	#address-cells = <1>;
	#size-cells = <0>;
	wlcore: wlcore@2 {
		compatible = "ti,wl1271";
		reg = <2>;
		interrupt-parent = <&gpio2>;
		interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; /* gpio 41 */
		ref-clock-frequency = <38400000>;
	};
};