Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

/*
 * Copyright 2015 Savoir-faire Linux
 *
 * This device tree is based on imx51-babbage.dts
 *
 * Licensed under the X11 license or the GPL v2 (or later)
 */

/dts-v1/;
#include "imx51.dtsi"

/ {
	model = "Technologic Systems TS-4800";
	compatible = "technologic,imx51-ts4800", "fsl,imx51";

	chosen {
		stdout-path = &uart1;
	};

	memory@90000000 {
		device_type = "memory";
		reg = <0x90000000 0x10000000>;
	};

	clocks {
		ckih1 {
			clock-frequency = <22579200>;
		};

		ckih2 {
			clock-frequency = <24576000>;
		};
	};

	backlight_reg: regulator-backlight {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_enable_lcd>;
		regulator-name = "enable_lcd_reg";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio4 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 78770>;
		brightness-levels = <0 150 200 255>;
		default-brightness-level = <1>;
		power-supply = <&backlight_reg>;
	};

	display1: disp1 {
		compatible = "fsl,imx-parallel-display";
		interface-pix-fmt = "rgb24";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_lcd>;

		display-timings {
			800x480p60 {
				native-mode;
				clock-frequency = <30066000>;
				hactive = <800>;
				vactive = <480>;
				hfront-porch = <50>;
				hback-porch = <70>;
				hsync-len = <50>;
				vback-porch = <0>;
				vfront-porch = <0>;
				vsync-len = <50>;
			};
		};

		port {
			display0_in: endpoint {
				remote-endpoint = <&ipu_di0_disp1>;
			};
		};
	};
};

&esdhc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_esdhc1>;
	cd-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
	wp-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec>;
	phy-mode = "mii";
	phy-reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
	phy-reset-duration = <1>;
	status = "okay";
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	rtc: m41t00@68 {
		compatible = "st,m41t00";
		reg = <0x68>;
	};
};

&ipu_di0_disp1 {
	remote-endpoint = <&display0_in>;
};

&pwm1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm_backlight>;
	status = "okay";
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1>;
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

&weim {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_weim>;
	status = "okay";

	fpga@0 {
		compatible = "simple-bus";
		fsl,weim-cs-timing = <0x0061008F 0x00000002 0x1c022000
				      0x00000000 0x1c092480 0x00000000>;
		reg = <0 0x0000000 0x1d000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0 0 0x1d000>;

		syscon: syscon@10000 {
			compatible = "syscon", "simple-mfd";
			reg = <0x10000 0x3d>;
			reg-io-width = <2>;

			wdt {
				compatible = "technologic,ts4800-wdt";
				syscon = <&syscon 0xe>;
			};
		};

		touchscreen@12000 {
			compatible = "technologic,ts4800-ts";
			reg = <0x12000 0x1000>;
			syscon = <&syscon 0x10 6>;
		};

		fpga_irqc: fpga-irqc@15000 {
			compatible = "technologic,ts4800-irqc";
			reg = <0x15000 0x1000>;
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_interrupt_fpga>;
			interrupt-parent = <&gpio2>;
			interrupts= <9 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-controller;
			#interrupt-cells = <1>;
		};

		can@1a000 {
			compatible = "technologic,sja1000";
			reg = <0x1a000 0x100>;
			interrupt-parent = <&fpga_irqc>;
			interrupts = <1>;
			reg-io-width = <2>;
			nxp,tx-output-config = <0x06>;
			nxp,external-clock-frequency = <24000000>;
		};
	};
};

&iomuxc {
	pinctrl_ecspi1: ecspi1grp {
		fsl,pins = <
			MX51_PAD_CSPI1_MISO__ECSPI1_MISO	0x185
			MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI	0x185
			MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK	0x185
			MX51_PAD_CSPI1_SS0__GPIO4_24		0x85 /* CS0 */
		>;
	};

	pinctrl_enable_lcd: enablelcdgrp {
		fsl,pins = <
			MX51_PAD_CSI2_D12__GPIO4_9		0x1c5
		>;
	};

	pinctrl_esdhc1: esdhc1grp {
		fsl,pins = <
			MX51_PAD_SD1_CMD__SD1_CMD		0x400020d5
			MX51_PAD_SD1_CLK__SD1_CLK		0x20d5
			MX51_PAD_SD1_DATA0__SD1_DATA0		0x20d5
			MX51_PAD_SD1_DATA1__SD1_DATA1		0x20d5
			MX51_PAD_SD1_DATA2__SD1_DATA2		0x20d5
			MX51_PAD_SD1_DATA3__SD1_DATA3		0x20d5
			MX51_PAD_GPIO1_0__GPIO1_0		0x100
			MX51_PAD_GPIO1_1__GPIO1_1		0x100
		>;
	};

	pinctrl_fec: fecgrp {
		fsl,pins = <
			MX51_PAD_EIM_EB2__FEC_MDIO		0x000001f5
			MX51_PAD_EIM_EB3__FEC_RDATA1		0x00000085
			MX51_PAD_EIM_CS2__FEC_RDATA2		0x00000085
			MX51_PAD_EIM_CS3__FEC_RDATA3		0x00000085
			MX51_PAD_EIM_CS4__FEC_RX_ER		0x00000180
			MX51_PAD_EIM_CS5__FEC_CRS		0x00000180
			MX51_PAD_DISP2_DAT10__FEC_COL		0x00000180
			MX51_PAD_DISP2_DAT11__FEC_RX_CLK	0x00000180
			MX51_PAD_DISP2_DAT14__FEC_RDATA0	0x00002180
			MX51_PAD_DISP2_DAT15__FEC_TDATA0	0x00002004
			MX51_PAD_NANDF_CS2__FEC_TX_ER		0x00002004
			MX51_PAD_DI2_PIN2__FEC_MDC		0x00002004
			MX51_PAD_DISP2_DAT6__FEC_TDATA1		0x00002004
			MX51_PAD_DISP2_DAT7__FEC_TDATA2		0x00002004
			MX51_PAD_DISP2_DAT8__FEC_TDATA3		0x00002004
			MX51_PAD_DISP2_DAT9__FEC_TX_EN		0x00002004
			MX51_PAD_DISP2_DAT13__FEC_TX_CLK	0x00002180
			MX51_PAD_DISP2_DAT12__FEC_RX_DV		0x000020a4
			MX51_PAD_EIM_A20__GPIO2_14		0x00000085 /* Phy Reset */
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX51_PAD_KEY_COL4__I2C2_SCL		0x400001ed
			MX51_PAD_KEY_COL5__I2C2_SDA		0x400001ed
		>;
	};

	pinctrl_interrupt_fpga: fpgaicgrp {
		fsl,pins = <
			MX51_PAD_EIM_D27__GPIO2_9		0xe5
		>;
	};

	pinctrl_lcd: lcdgrp {
		fsl,pins = <
			MX51_PAD_DISP1_DAT0__DISP1_DAT0		0x5
			MX51_PAD_DISP1_DAT1__DISP1_DAT1		0x5
			MX51_PAD_DISP1_DAT2__DISP1_DAT2		0x5
			MX51_PAD_DISP1_DAT3__DISP1_DAT3		0x5
			MX51_PAD_DISP1_DAT4__DISP1_DAT4		0x5
			MX51_PAD_DISP1_DAT5__DISP1_DAT5		0x5
			MX51_PAD_DISP1_DAT6__DISP1_DAT6		0x5
			MX51_PAD_DISP1_DAT7__DISP1_DAT7		0x5
			MX51_PAD_DISP1_DAT8__DISP1_DAT8		0x5
			MX51_PAD_DISP1_DAT9__DISP1_DAT9		0x5
			MX51_PAD_DISP1_DAT10__DISP1_DAT10	0x5
			MX51_PAD_DISP1_DAT11__DISP1_DAT11	0x5
			MX51_PAD_DISP1_DAT12__DISP1_DAT12	0x5
			MX51_PAD_DISP1_DAT13__DISP1_DAT13	0x5
			MX51_PAD_DISP1_DAT14__DISP1_DAT14	0x5
			MX51_PAD_DISP1_DAT15__DISP1_DAT15	0x5
			MX51_PAD_DISP1_DAT16__DISP1_DAT16	0x5
			MX51_PAD_DISP1_DAT17__DISP1_DAT17	0x5
			MX51_PAD_DISP1_DAT18__DISP1_DAT18	0x5
			MX51_PAD_DISP1_DAT19__DISP1_DAT19	0x5
			MX51_PAD_DISP1_DAT20__DISP1_DAT20	0x5
			MX51_PAD_DISP1_DAT21__DISP1_DAT21	0x5
			MX51_PAD_DISP1_DAT22__DISP1_DAT22	0x5
			MX51_PAD_DISP1_DAT23__DISP1_DAT23	0x5
			MX51_PAD_DI1_PIN2__DI1_PIN2		0x5
			MX51_PAD_DI1_PIN3__DI1_PIN3		0x5
			MX51_PAD_DI2_DISP_CLK__DI2_DISP_CLK	0x5
			MX51_PAD_DI_GP4__DI2_PIN15		0x5
		>;
	};

	pinctrl_pwm_backlight: backlightgrp {
		fsl,pins = <
			MX51_PAD_GPIO1_2__PWM1_PWMO		0x80000000
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX51_PAD_UART1_RXD__UART1_RXD		0x1c5
			MX51_PAD_UART1_TXD__UART1_TXD		0x1c5
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX51_PAD_UART2_RXD__UART2_RXD		0x1c5
			MX51_PAD_UART2_TXD__UART2_TXD		0x1c5
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX51_PAD_EIM_D25__UART3_RXD		0x1c5
			MX51_PAD_EIM_D26__UART3_TXD		0x1c5
		>;
	};

	pinctrl_weim: weimgrp {
		fsl,pins = <
			MX51_PAD_EIM_DTACK__EIM_DTACK		0x85
			MX51_PAD_EIM_CS0__EIM_CS0		0x0
			MX51_PAD_EIM_CS1__EIM_CS1		0x0
			MX51_PAD_EIM_EB0__EIM_EB0		0x85
			MX51_PAD_EIM_EB1__EIM_EB1		0x85
			MX51_PAD_EIM_OE__EIM_OE			0x85
			MX51_PAD_EIM_LBA__EIM_LBA		0x85
		>;
	};
};