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kernel/linux-rt-4.4.41/arch/arm/boot/dts/imx28-cfa10055.dts 4.05 KB
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  /*
   * Copyright 2013 Crystalfontz America, Inc.
   * 				  Free Electrons
   *
   * The code contained herein is licensed under the GNU General Public
   * License. You may obtain a copy of the GNU General Public License
   * Version 2 or later at the following locations:
   *
   * http://www.opensource.org/licenses/gpl-license.html
   * http://www.gnu.org/copyleft/gpl.html
   */
  
  /*
   * The CFA-10055 is an expansion board for the CFA-10036 module and
   * CFA-10037, thus we need to include the CFA-10037 DTS.
   */
  #include "imx28-cfa10037.dts"
  
  / {
  	model = "Crystalfontz CFA-10055 Board";
  	compatible = "crystalfontz,cfa10055", "crystalfontz,cfa10037", "crystalfontz,cfa10036", "fsl,imx28";
  
  	apb@80000000 {
  		apbh@80000000 {
  			pinctrl@80018000 {
  				spi2_pins_cfa10055: spi2-cfa10055@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_SSP2_SCK__GPIO_2_16
  						MX28_PAD_SSP2_MOSI__GPIO_2_17
  						MX28_PAD_SSP2_MISO__GPIO_2_18
  						MX28_PAD_AUART1_TX__GPIO_3_5
  					>;
  					fsl,drive-strength = <MXS_DRIVE_8mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_ENABLE>;
  				};
  
  				lcdif_18bit_pins_cfa10055: lcdif-18bit@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_LCD_D00__LCD_D0
  						MX28_PAD_LCD_D01__LCD_D1
  						MX28_PAD_LCD_D02__LCD_D2
  						MX28_PAD_LCD_D03__LCD_D3
  						MX28_PAD_LCD_D04__LCD_D4
  						MX28_PAD_LCD_D05__LCD_D5
  						MX28_PAD_LCD_D06__LCD_D6
  						MX28_PAD_LCD_D07__LCD_D7
  						MX28_PAD_LCD_D08__LCD_D8
  						MX28_PAD_LCD_D09__LCD_D9
  						MX28_PAD_LCD_D10__LCD_D10
  						MX28_PAD_LCD_D11__LCD_D11
  						MX28_PAD_LCD_D12__LCD_D12
  						MX28_PAD_LCD_D13__LCD_D13
  						MX28_PAD_LCD_D14__LCD_D14
  						MX28_PAD_LCD_D15__LCD_D15
  						MX28_PAD_LCD_D16__LCD_D16
  						MX28_PAD_LCD_D17__LCD_D17
  					>;
  					fsl,drive-strength = <MXS_DRIVE_4mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_DISABLE>;
  				};
  
  				lcdif_pins_cfa10055: lcdif-evk@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_LCD_RD_E__LCD_VSYNC
  						MX28_PAD_LCD_WR_RWN__LCD_HSYNC
  						MX28_PAD_LCD_RS__LCD_DOTCLK
  						MX28_PAD_LCD_CS__LCD_ENABLE
  					>;
  					fsl,drive-strength = <MXS_DRIVE_4mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_DISABLE>;
  				};
  
  				lcdif_pins_cfa10055_pullup: lcdif-10055-pullup@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_LCD_RESET__GPIO_3_30
  					>;
  					fsl,drive-strength = <MXS_DRIVE_4mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_ENABLE>;
  				};
  			};
  
  			lcdif@80030000 {
  				pinctrl-names = "default";
  				pinctrl-0 = <&lcdif_18bit_pins_cfa10055
  					     &lcdif_pins_cfa10055
  					     &lcdif_pins_cfa10055_pullup>;
  				display = <&display0>;
  				status = "okay";
  
  				display0: display0 {
  					bits-per-pixel = <32>;
  					bus-width = <18>;
  
  					display-timings {
  						native-mode = <&timing0>;
  						timing0: timing0 {
  							clock-frequency = <9216000>;
  							hactive = <320>;
  							vactive = <480>;
  							hback-porch = <2>;
  							hfront-porch = <2>;
  							vback-porch = <2>;
  							vfront-porch = <2>;
  							hsync-len = <15>;
  							vsync-len = <15>;
  							hsync-active = <0>;
  							vsync-active = <0>;
  							de-active = <1>;
  							pixelclk-active = <1>;
  						};
  					};
  				};
  			};
  		};
  
  		apbx@80040000 {
  			lradc@80050000 {
  				fsl,lradc-touchscreen-wires = <4>;
  				status = "okay";
  			};
  
  			pwm: pwm@80064000 {
  				pinctrl-names = "default";
  				pinctrl-0 = <&pwm3_pins_b>;
  				status = "okay";
  			};
  		};
  	};
  
  	spi2 {
  		compatible = "spi-gpio";
  		pinctrl-names = "default";
  		pinctrl-0 = <&spi2_pins_cfa10055>;
  		status = "okay";
  		gpio-sck = <&gpio2 16 0>;
  		gpio-mosi = <&gpio2 17 0>;
  		gpio-miso = <&gpio2 18 0>;
  		cs-gpios = <&gpio3 5 0>;
  		num-chipselects = <1>;
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		hx8357: hx8357@0 {
  			compatible = "himax,hx8357b", "himax,hx8357";
  			reg = <0>;
  			spi-max-frequency = <100000>;
  			spi-cpol;
  			spi-cpha;
  			gpios-reset = <&gpio3 30 0>;
  		};
  	};
  
  	backlight {
  		compatible = "pwm-backlight";
  		pwms = <&pwm 3 5000000>;
  		brightness-levels = <0 4 8 16 32 64 128 255>;
  		default-brightness-level = <6>;
  	};
  };