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kernel/linux-rt-4.4.41/arch/arm/boot/dts/am335x-chiliboard.dts 2.22 KB
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  /*
   * Copyright (C) 2015 Jablotron s.r.o. -- http://www.jablotron.com/
   * Author: Rostislav Lisovy <lisovy@jablotron.cz>
   *
   * 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.
   */
  /dts-v1/;
  #include "am335x-chilisom.dtsi"
  
  / {
  	model = "AM335x Chiliboard";
  	compatible = "grinn,am335x-chiliboard", "grinn,am335x-chilisom",
  		     "ti,am33xx";
  
  	leds {
  		compatible = "gpio-leds";
  		pinctrl-names = "default";
  		pinctrl-0 = <&led_gpio_pins>;
  
  		led0 {
  			label = "led0";
  			gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
  			default-state = "keep";
  			linux,default-trigger = "heartbeat";
  		};
  
  		led1 {
  			label = "led1";
  			gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
  			default-state = "keep";
  		};
  	};
  };
  
  &am33xx_pinmux {
  	usb1_drvvbus: usb1_drvvbus {
  		pinctrl-single,pins = <
  			0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* usb1_drvvbus.usb1_drvvbus */
  		>;
  	};
  
  	sd_pins: pinmux_sd_card {
  		pinctrl-single,pins = <
  			0xf0 (PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
  			0xf4 (PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
  			0xf8 (PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
  			0xfc (PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
  			0x100 (PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
  			0x104 (PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
  			0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
  		>;
  	};
  
  	led_gpio_pins: led_gpio_pins {
  		pinctrl-single,pins = <
  			0x1e4 (PIN_OUTPUT | MUX_MODE7) /* emu0.gpio3_7 */
  			0x1e8 (PIN_OUTPUT | MUX_MODE7) /* emu1.gpio3_8 */
  		>;
  	};
  };
  
  &ldo4_reg {
  	regulator-min-microvolt = <3300000>;
  	regulator-max-microvolt = <3300000>;
  };
  
  /* Ethernet */
  &cpsw_emac0 {
  	phy_id = <&davinci_mdio>, <0>;
  	phy-mode = "rmii";
  };
  
  &phy_sel {
  	rmii-clock-ext;
  };
  
  /* USB */
  &usb {
  	status = "okay";
  };
  
  &usb_ctrl_mod {
  	status = "okay";
  };
  
  &usb1_phy {
  	status = "okay";
  };
  
  &usb1 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&usb1_drvvbus>;
  
  	status = "okay";
  	dr_mode = "host";
  };
  
  &cppi41dma  {
  	status = "okay";
  };
  
  /* microSD */
  &mmc1 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&sd_pins>;
  	vmmc-supply = <&ldo4_reg>;
  	bus-width = <0x4>;
  	cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
  	status = "okay";
  };