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path: root/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
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/*
 * Copyright 2014-2015 Toradex AG
 * Copyright 2012 Freescale Semiconductor, Inc.
 * Copyright 2011 Linaro Ltd.
 *
 * 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
 */

/dts-v1/;

#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "imx6dl.dtsi"
#include "imx6qdl-colibri.dtsi"

/* Add the following define if you connect a Fusion display with a capacitive
   touch controller */
/* #define PCAP */

/ {
	model = "Toradex Colibri iMX6DL/S on Colibri Evaluation Board V3";
	compatible = "toradex,colibri_imx6dl-eval", "toradex,colibri_imx6dl", "fsl,imx6dl";

	aliases {
		i2c0 = &i2cddc;
		i2c1 = &i2c2;
		i2c2 = &i2c3;
	};

	aliases {
		rtc0 = &rtc_i2c;
		rtc1 = "/soc/aips-bus@02000000/snvs@020cc000/snvs-rtc-lp@34";
	};

	aliases {
		/* the following, together with kernel patches, forces a fixed assignment
		   between device id and usdhc controller */
		/* i.e. the eMMC on usdhc3 will be /dev/mmcblk0 */
		mmc0 = &usdhc3; /* eMMC */
		mmc1 = &usdhc1; /* MMC 4bit slot */
	};

	extcon_usbc_det: usbc_det {
		compatible = "linux,extcon-usb-gpio";
		debounce = <25>;
		id-gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usbc_det_1>;
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_keys>;

		wakeup {
			label = "Wake-Up";
			gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			gpio-key,wakeup;
		};
	};

	pwmleds {
		compatible = "pwm-leds";
#ifndef PCAP
		ledpwm2 {
			label = "PWM<B>";
			pwms = <&pwm1 0 50000>;
			max-brightness = <255>;
		};

		ledpwm3 {
			label = "PWM<C>";
			pwms = <&pwm4 0 50000>;
			max-brightness = <255>;
		};
#endif
		ledpwm4 {
			label = "PWM<D>";
			pwms = <&pwm2 0 50000>;
			max-brightness = <255>;
		};
	};

	regulators {
		reg_usb_host_vbus: usb_host_vbus {
			status = "okay";
		};
	};
};

&backlight {
#if 0 /* PWM polarity: if 1 is brightest */
#if 0 /* Fusion 7 needs 10kHz PWM frequency */
	pwms = <&pwm3 0 100000>;
#endif
	brightness-levels = <0 4 8 16 32 64 128 255>;
	default-brightness-level = <6>;
#else /* PWM plarity: if 0 is brightest */
	brightness-levels = <0 127 191 223 239 247 251 255>;
	default-brightness-level = <1>;
#endif
	status = "okay";
};

/* Colibri SPI */
&ecspi4 {
	status = "okay";

	spidev0: spidev@1 {
		compatible = "spidev";
		reg = <0>;
		spi-max-frequency = <50000000>;
	};
};

&hdmi_audio {
	status = "okay";
};

&hdmi_core {
	status = "okay";
};

&hdmi_video {
	status = "okay";
};

/*
 * I2C: I2C3_SDA/SCL on SODIMM 194/196 (e.g. RTC on carrier
 * board)
 */
&i2c3 {
	status = "okay";
#ifdef PCAP /* not standard pinout, disable PWM<B>, PWM<C> */
	pcap@10 {
		/* TouchRevolution Fusion 7 and 10 multi-touch controller */
		compatible = "touchrevolution,fusion-f0710a";
		reg = <0x10>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pcap_1>;
		gpios = <&gpio1  9 0 /* SODIMM 28, Pen down interrupt */
			 &gpio2 10 0 /* SODIMM 30, Reset */
			>;
	};
#endif
	/* M41T0M6 real time clock on carrier board */
	rtc_i2c: rtc@68 {
		compatible = "st,m41t00";
		reg = <0x68>;
	};
};

/*
 * DDC_I2C: I2C2_SDA/SCL on extension connector pin 15/16
 */
&i2cddc {
	status = "okay";

	hdmi: edid@50 {
		compatible = "fsl,imx6-hdmi-i2c";
		reg = <0x50>;
	};
};

&iomuxc {
	/*
	 * Mux all pins which are unused to be GPIOs
	 * so they are ready for export to user space
	 */
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_weim_gpio_1 &pinctrl_weim_gpio_2
	             &pinctrl_weim_gpio_3 &pinctrl_weim_gpio_4
	             &pinctrl_weim_gpio_5
	             &pinctrl_csi_gpio_1
	             &pinctrl_gpio_1
	             &pinctrl_usbh_oc_1 &pinctrl_usbc_id_1>;

	gpio {
		pinctrl_pcap_1: pcap-1 {
			fsl,pins = <
				MX6QDL_PAD_GPIO_9__GPIO1_IO09	PAD_CTRL_HYS_PD /* SODIMM 28 */
				MX6QDL_PAD_SD4_DAT2__GPIO2_IO10	PAD_CTRL_HYS_PD /* SODIMM 30 */
			>;
		};
	};
};

&lcd {
	status = "okay";
};

&mxcfb1 {
	status = "okay";
};

&mxcfb2 {
	status = "okay";
};

#ifndef PCAP
&pwm1 {
	status = "okay";
};
#endif

&pwm2 {
	status = "okay";
};

&pwm3 {
	status = "okay";
};

#ifndef PCAP
&pwm4 {
	status = "okay";
};
#endif

&sound_hdmi {
	status = "okay";
};

&uart1 {
	status = "okay";
};

&uart2 {
	status = "okay";
#if 0
	linux,rs485-enabled-at-boot-time;
#endif
};

&uart3 {
	status = "okay";
};

&usbh1 {
	status = "okay";
};

&usbotg {
	status = "okay";
	extcon = <&extcon_usbc_det>;
};

/* MMC */
&usdhc1 {
	status = "okay";
};

&weim {
	status = "okay";
	/* weim memory map: 32MB on CS0, 32MB on CS1, 32MB on CS2 */
	ranges = <0 0 0x08000000 0x02000000
	          1 0 0x0a000000 0x02000000
	          2 0 0x0c000000 0x02000000>;
	/* SRAM on CS0 */
	sram@0,0 {
		compatible = "cypress,cy7c1019dv33-10zsxi, mtd-ram";
		reg = <0 0 0x00010000>;
		#address-cells = <1>;
		#size-cells = <1>;
		bank-width = <2>;
		fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
				0x00000000 0x04000040 0x00000000>;
	};
	/* SRAM on CS1 */
	sram@1,0 {
		compatible = "cypress,cy7c1019dv33-10zsxi, mtd-ram";
		reg = <1 0 0x00010000>;
		#address-cells = <1>;
		#size-cells = <1>;
		bank-width = <2>;
		fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
				0x00000000 0x04000040 0x00000000>;
	};
};