xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/am335x-sbc-t335.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)

// SPDX-License-Identifier: GPL-2.0-only
/*
 * am335x-sbc-t335.dts - Device Tree file for Compulab SBC-T335
 *
 * Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
 */

#include "am335x-cm-t335.dts"

/ {
	model = "CompuLab CM-T335 on SB-T335";
	compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";

	/* DRM display driver */
	panel {
		compatible = "ti,tilcdc,panel";
		status = "okay";
		pinctrl-names = "default", "sleep";
		pinctrl-0 = <&lcd_pins_default>;
		pinctrl-1 = <&lcd_pins_sleep>;

		panel-info {
			ac-bias           = <255>;
			ac-bias-intrpt    = <0>;
			dma-burst-sz      = <16>;
			bpp               = <32>;
			fdd               = <0x80>;
			sync-edge         = <0>;
			sync-ctrl         = <1>;
			raster-order      = <0>;
			fifo-th           = <0>;
		};
		display-timings {
			/* Timing selection performed by U-Boot */
			timing0: lcd {/* 800x480p62 */
				clock-frequency = <30000000>;
				hactive = <800>;
				vactive = <480>;
				hfront-porch = <39>;
				hback-porch = <39>;
				hsync-len = <47>;
				vback-porch = <29>;
				vfront-porch = <13>;
				vsync-len = <2>;
				hsync-active = <1>;
				vsync-active = <1>;
			};
			timing1: dvi { /* 1024x768p60 */
				clock-frequency = <65000000>;
				hactive = <1024>;
				hfront-porch = <24>;
				hback-porch = <160>;
				hsync-len = <136>;
				vactive = <768>;
				vfront-porch = <3>;
				vback-porch = <29>;
				vsync-len = <6>;
				hsync-active = <0>;
				vsync-active = <0>;
			};
		};
	};
};

&am33xx_pinmux {
	/* Display */
	lcd_pins_default: lcd_pins_default {
		pinctrl-single,pins = <
			/* gpmc_ad8.lcd_data23 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad9.lcd_data22 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad10.lcd_data21 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad11.lcd_data20 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad12.lcd_data19 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad13.lcd_data18 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad14.lcd_data17 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)
			/* gpmc_ad15.lcd_data16 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
		>;
	};

	lcd_pins_sleep: lcd_pins_sleep {
		pinctrl-single,pins = <
			/* gpmc_ad8.lcd_data23 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad9.lcd_data22 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad10.lcd_data21 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad11.lcd_data20 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad12.lcd_data19 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad13.lcd_data18 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad14.lcd_data17 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7)
			/* gpmc_ad15.lcd_data16 */
			AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PULL_DISABLE, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
		>;
	};
};

&i2c0 {
	/* GPIO extender */
	gpio_ext: pca9555@26 {
		compatible = "nxp,pca9555";
		pinctrl-names = "default";
		gpio-controller;
		#gpio-cells = <2>;
		reg = <0x26>;
		dvi-ena-hog {
			gpio-hog;
			gpios = <13 GPIO_ACTIVE_HIGH>;
			output-high;
			line-name = "dvi-enable";
		};
		lcd-ena-hog {
			gpio-hog;
			gpios = <11 GPIO_ACTIVE_HIGH>;
			output-high;
			line-name = "lcd-enable";
		};
	};
};

/* Display */
&lcdc {
	status = "okay";
};