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kernel/linux-rt-4.4.41/arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi 2.34 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2014 Joachim Eastwood <manabian@gmail.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  / {
  	/* 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>;
  	};
  };