Apalis/Colibri iMX6: add intital devicetree

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
(cherry picked from commit ef68734a9798f1c7daee770128a1d5c6942c6437)

1 files changed, 259 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
new file mode 100644
index 000000000000..65668cf16361
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
@@ -0,0 +1,259 @@
+/*
+ * Copyright 2014 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/interrupt-controller/irq.h>
+#include "imx6dl.dtsi"
+#include "imx6qdl-colibri.dtsi"
+
+/ {
+	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 */
+	};
+
+	#define KEY_WAKEUP 143
+	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";
+		ledpwm2 {
+			label = "PWM<B>";
+			pwms = <&pwm1 0 50000>;
+			max-brightness = <255>;
+		};
+
+		ledpwm3 {
+			label = "PWM<C>";
+			pwms = <&pwm4 0 50000>;
+			max-brightness = <255>;
+		};
+
+		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 pin 194/196 (e.g. RTC on carrier
+ * board)
+ */
+&i2c3 {
+	status = "okay";
+#if 0 /* not standard pinout, disable PWM<B>, PWM<C>
+	pcap@10 {
+		/* TouchRevolution Fusion 7 and 10 multi-touch controller */
+		compatible = "touchrevolution,fusion-f0710a";
+		reg = <0x10>;
+		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
+	             &pinctrl_usbc_det_1>;
+};
+
+&lcd {
+	status = "okay";
+};
+
+&mxcfb1 {
+	status = "okay";
+};
+
+&mxcfb2 {
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&pwm3 {
+	status = "okay";
+};
+
+&pwm4 {
+	status = "okay";
+};
+
+&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";
+};
+
+/* 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>;
+	};
+};