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kernel/linux-rt-4.4.41/arch/arm/boot/dts/omap3-overo-common-peripherals.dtsi 2.14 KB
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  /*
   * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
   *
   * 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.
   */
  
  /*
   * Peripherals common to all Gumstix Overo boards (Tobi, Summit, Palo43,...)
   */
  
  / {
  	lis33_3v3: lis33-3v3-reg {
  		compatible = "regulator-fixed";
  		regulator-name = "lis33-3v3-reg";
  		regulator-min-microvolt = <3300000>;
  		regulator-max-microvolt = <3300000>;
  	};
  
  	lis33_1v8: lis33-1v8-reg {
  		compatible = "regulator-fixed";
  		regulator-name = "lis33-1v8-reg";
  		regulator-min-microvolt = <1800000>;
  		regulator-max-microvolt = <1800000>;
  	};
  };
  
  &omap3_pmx_core {
  	i2c3_pins: pinmux_i2c3_pins {
  		pinctrl-single,pins = <
  			OMAP3_CORE1_IOPAD(0x21c2, PIN_INPUT | MUX_MODE0)	/* i2c3_scl.i2c3_scl */
  			OMAP3_CORE1_IOPAD(0x21c4, PIN_INPUT | MUX_MODE0)	/* i2c3_sda.i2c3_sda */
  		>;
  	};
  
  	uart3_pins: pinmux_uart3_pins {
  		pinctrl-single,pins = <
  			OMAP3_CORE1_IOPAD(0x219e, PIN_INPUT | MUX_MODE0)	/* uart3_rx_irrx.uart3_rx_irrx */
  			OMAP3_CORE1_IOPAD(0x21a0, PIN_OUTPUT | MUX_MODE0)	/* uart3_tx_irtx.uart3_tx_irtx */
  		>;
  	};
  };
  
  &i2c3 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&i2c3_pins>;
  	clock-frequency = <100000>;
  
  	/* optional 1K EEPROM with revision information */
  	eeprom@51 {
  		compatible = "atmel,24c01";
  		reg = <0x51>;
  		pagesize = <8>;
  	};
  
  	lis33de: lis33de@1d {
  		compatible = "st,lis33de", "st,lis3lv02d";
  		reg = <0x1d>;
  		Vdd-supply = <&lis33_1v8>;
  		Vdd_IO-supply = <&lis33_3v3>;
  
  		st,click-single-x;
  		st,click-single-y;
  		st,click-single-z;
  		st,click-thresh-x = <10>;
  		st,click-thresh-y = <10>;
  		st,click-thresh-z = <10>;
  		st,irq1-click;
  		st,irq2-click;
  		st,wakeup-x-lo;
  		st,wakeup-x-hi;
  		st,wakeup-y-lo;
  		st,wakeup-y-hi;
  		st,wakeup-z-lo;
  		st,wakeup-z-hi;
  		st,min-limit-x = <120>;
  		st,min-limit-y = <120>;
  		st,min-limit-z = <140>;
  		st,max-limit-x = <550>;
  		st,max-limit-y = <550>;
  		st,max-limit-z = <750>;
  	};
  };
  
  &mmc3 {
  	status = "disabled";
  };
  
  &uart3 {
  	interrupts-extended = <&intc 74 &omap3_pmx_core OMAP3_UART3_RX>;
  	pinctrl-names = "default";
  	pinctrl-0 = <&uart3_pins>;
  };