Merge tag 'davinci-for-v4.11/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/dt

Device tree updates for DaVinci DA850

* GPIO keys on DA850 LCDK
* LCDC display on DA850 LCDK
* USB OHCI on DA850 LCDK
* VPIF (video input) on DA850 LCDK
* Add a DA8xx specific compatible for UARTs
* Introduce support for Lego Mindstorms EV3

* tag 'davinci-for-v4.11/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: dts: Add LEGO MINDSTORMS EV3 dts
  dt-bindings: add "microchip,24c128" compatible string
  dt-bindings: Add LEGO MINDSTORMS EV3 compatible specification
  dt-bindings: Add vendor prefix for LEGO
  ARM: dts: da850: Add ti,da830-uart compatible for serial ports
  ARM: dts: davinci: da850-lcdk: enable VPIF
  ARM: dts: davinci: da850-evm: enable VPIF
  ARM: dts: davinci: da850: VPIF: add node and muxing
  ARM: dts: da850-lcdk: Enable ohci for omapl138 lcdk
  ARM: dts: da850: Add usb device node
  ARM: dts: da850: specify the maximum pixel clock rate for tilcdc
  ARM: dts: da850-lcdk: add the vga-bridge node
  ARM: dts: da850: rename the display node label
  ARM: dts: da850-lcdk: add gpio-keys

Signed-off-by: Olof Johansson <olof@lixom.net>

8 files changed, 468 insertions, 6 deletions

diff --git a/Documentation/devicetree/bindings/arm/davinci.txt b/Documentation/devicetree/bindings/arm/davinci.txt
index f0841ce725b5..715622c36260 100644
--- a/Documentation/devicetree/bindings/arm/davinci.txt
+++ b/Documentation/devicetree/bindings/arm/davinci.txt
@@ -13,6 +13,10 @@ EnBW AM1808 based CMC board
 Required root node properties:
     - compatible = "enbw,cmc", "ti,da850;
 
+LEGO MINDSTORMS EV3 (AM1808 based)
+Required root node properties:
+    - compatible = "lego,ev3", "ti,da850";
+
 Generic DaVinci Boards
 ----------------------
 
diff --git a/Documentation/devicetree/bindings/eeprom/eeprom.txt b/Documentation/devicetree/bindings/eeprom/eeprom.txt
index 735bc94444bb..5696eb508e95 100644
--- a/Documentation/devicetree/bindings/eeprom/eeprom.txt
+++ b/Documentation/devicetree/bindings/eeprom/eeprom.txt
@@ -10,6 +10,8 @@ Required properties:
 
 	"catalyst,24c32"
 
+	"microchip,24c128"
+
 	"ramtron,24c64"
 
 	"renesas,r1ex24002"
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 16d3b5e7f5d1..e95057dfe6d4 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -159,6 +159,7 @@ kosagi	Sutajio Ko-Usagi PTE Ltd.
 kyo	Kyocera Corporation
 lacie	LaCie
 lantiq	Lantiq Semiconductor
+lego	LEGO Systems A/S
 lenovo	Lenovo Group Ltd.
 lg	LG Corporation
 linux	Linux-specific binding
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index fe5f8a964257..c3079a518199 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -132,7 +132,8 @@ dtb-$(CONFIG_ARCH_CLPS711X) += \
 dtb-$(CONFIG_ARCH_DAVINCI) += \
 	da850-lcdk.dtb \
 	da850-enbw-cmc.dtb \
-	da850-evm.dtb
+	da850-evm.dtb \
+	da850-lego-ev3.dtb
 dtb-$(CONFIG_ARCH_DIGICOLOR) += \
 	cx92755_equinox.dtb
 dtb-$(CONFIG_ARCH_EFM32) += \
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 41de15fe15a2..cea36ee6fd07 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -289,3 +289,23 @@
 		};
 	};
 };
+
+&vpif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&vpif_capture_pins>;
+	status = "okay";
+
+	/* VPIF capture port */
+	port {
+		vpif_ch0: endpoint@0 {
+			  reg = <0>;
+			  bus-width = <8>;
+		};
+
+		vpif_ch1: endpoint@1 {
+			  reg = <1>;
+			  bus-width = <8>;
+			  data-shift = <8>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index afcb4821deb1..60e027e8a054 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts
@@ -6,6 +6,7 @@
 /dts-v1/;
 #include "da850.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "DA850/AM1808/OMAP-L138 LCDK";
@@ -51,6 +52,62 @@
 			system-clock-frequency = <24576000>;
 		};
 	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		autorepeat;
+
+		user1 {
+			label = "GPIO Key USER1";
+			linux,code = <BTN_0>;
+			gpios = <&gpio 36 GPIO_ACTIVE_LOW>;
+		};
+
+		user2 {
+			label = "GPIO Key USER2";
+			linux,code = <BTN_1>;
+			gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	vga-bridge {
+		compatible = "ti,ths8135";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				vga_bridge_in: endpoint {
+					remote-endpoint = <&lcdc_out_vga>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				vga_bridge_out: endpoint {
+					remote-endpoint = <&vga_con_in>;
+				};
+			};
+		};
+	};
+
+	vga {
+		compatible = "vga-connector";
+
+		ddc-i2c-bus = <&i2c0>;
+
+		port {
+			vga_con_in: endpoint {
+				remote-endpoint = <&vga_bridge_out>;
+			};
+		};
+	};
 };
 
 &pmx_core {
@@ -167,6 +224,10 @@
 	status = "okay";
 };
 
+&usb1 {
+	status = "okay";
+};
+
 &aemif {
 	pinctrl-names = "default";
 	pinctrl-0 = <&nand_pins>;
@@ -236,3 +297,28 @@
 &memctrl {
 	status = "okay";
 };
+
+&lcdc {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&lcd_pins>;
+
+	port {
+		lcdc_out_vga: endpoint {
+			remote-endpoint = <&vga_bridge_in>;
+		};
+	};
+};
+
+&vpif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&vpif_capture_pins>;
+	status = "okay";
+
+	/* VPIF capture port */
+	port {
+		vpif_ch0: endpoint {
+			  bus-width = <8>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts
new file mode 100644
index 000000000000..112ec92064ce
--- /dev/null
+++ b/arch/arm/boot/dts/da850-lego-ev3.dts
@@ -0,0 +1,313 @@
+/*
+ * Device tree for LEGO MINDSTORMS EV3
+ *
+ * Copyright (C) 2017 David Lechner <david@lechnology.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation, version 2.
+ */
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/pwm/pwm.h>
+
+#include "da850.dtsi"
+
+/ {
+	compatible = "lego,ev3", "ti,da850";
+	model = "LEGO MINDSTORMS EV3";
+
+	aliases {
+		serial1 = &serial1;
+	};
+
+	memory@c0000000 {
+		device_type = "memory";
+		reg = <0xc0000000 0x04000000>;
+	};
+
+	/*
+	 * The buttons on the EV3 are mapped to keyboard keys.
+	 */
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		label = "EV3 Brick Buttons";
+		pinctrl-names = "default";
+		pinctrl-0 = <&button_pins>, <&button_bias>;
+
+		center {
+			label = "Center";
+			linux,code = <KEY_ENTER>;
+			gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
+		};
+
+		left {
+			label = "Left";
+			linux,code = <KEY_LEFT>;
+			gpios = <&gpio 102 GPIO_ACTIVE_HIGH>;
+		};
+
+		back {
+			label = "Back";
+			linux,code = <KEY_BACKSPACE>;
+			gpios = <&gpio 106 GPIO_ACTIVE_HIGH>;
+		};
+
+		right {
+			label = "Right";
+			linux,code = <KEY_RIGHT>;
+			gpios = <&gpio 124 GPIO_ACTIVE_HIGH>;
+		};
+
+		down {
+			label = "Down";
+			linux,code = <KEY_DOWN>;
+			gpios = <&gpio 126 GPIO_ACTIVE_HIGH>;
+		};
+
+		up {
+			label = "Up";
+			linux,code = <KEY_UP>;
+			gpios = <&gpio 127 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	/*
+	 * The EV3 has two built-in bi-color LEDs behind the buttons.
+	 */
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pins>;
+
+		left_green {
+			label = "led0:green:brick-status";
+			/* GP6[13] */
+			gpios = <&gpio 103 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		right_red {
+			label = "led1:red:brick-status";
+			/* GP6[7] */
+			gpios = <&gpio 108 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		left_red {
+			label = "led0:red:brick-status";
+			/* GP6[12] */
+			gpios = <&gpio 109 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		right_green {
+			label = "led1:green:brick-status";
+			/* GP6[14] */
+			gpios = <&gpio 110 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+	};
+
+	/*
+	 * The EV3 is powered down by turning off the main 5V supply.
+	 */
+	gpio-poweroff {
+		compatible = "gpio-poweroff";
+		gpios = <&gpio 107 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&system_power_pin>;
+	};
+
+	/*
+	 * This is a 5V current limiting regulator that is shared by USB,
+	 * the sensor (input) ports, the motor (output) ports and the A/DC.
+	 */
+	vcc5v: regulator1 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v_pins>;
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio 101 0>;
+		over-current-gpios = <&gpio 99 GPIO_ACTIVE_LOW>;
+		enable-active-high;
+		regulator-boot-on;
+	};
+};
+
+&pmx_core {
+	status = "okay";
+
+	spi0_cs3_pin: pinmux_spi0_cs3_pin {
+		pinctrl-single,bits = <
+			/* CS3 */
+			0xc 0x01000000 0x0f000000
+		>;
+	};
+
+	mmc0_cd_pin: pinmux_mmc0_cd {
+		pinctrl-single,bits = <
+			/* GP5[14] */
+			0x2C 0x00000080 0x000000f0
+		>;
+	};
+
+	button_pins: pinmux_button_pins {
+		pinctrl-single,bits = <
+			/* GP1[13] */
+			0x8 0x00000800 0x00000f00
+			/* GP6[10] */
+			0x34 0x00800000 0x00f00000
+			/* GP6[6] */
+			0x38 0x00000080 0x000000f0
+			/* GP7[12], GP7[14], GP7[15] */
+			0x40 0x00808800 0x00f0ff00
+		>;
+	};
+
+	led_pins: pinmux_led_pins {
+		pinctrl-single,bits = <
+			/* GP6[12], GP6[13], GP6[14] */
+			0x34 0x00008880 0x0000fff0
+			/* GP6[7] */
+			0x38 0x00000008 0x0000000f
+		>;
+	};
+
+	system_power_pin: pinmux_system_power {
+		pinctrl-single,bits = <
+			/* GP6[11] */
+			0x34 0x00080000 0x000f0000
+		>;
+	};
+
+	vcc5v_pins: pinmux_vcc5v {
+		pinctrl-single,bits = <
+			/* GP6[5] */
+			0x40 0x00000080 0x000000f0
+			/* GP6[3] */
+			0x4c 0x00008000 0x0000f000
+		>;
+	};
+};
+
+&pinconf {
+	status = "okay";
+
+	/* Buttons have external pulldown resistors */
+	button_bias: button-bias-groups {
+		disable {
+			groups = "cp5", "cp24", "cp25", "cp28";
+			bias-disable;
+		};
+	};
+};
+
+/* Input port 1 */
+&serial1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&serial1_rxtx_pins>;
+};
+
+&rtc0 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+
+	/*
+	 * EEPROM contains the first stage bootloader, HW ID and Bluetooth MAC.
+	 */
+	eeprom@50 {
+		compatible = "microchip,24c128";
+		pagesize = <64>;
+		read-only;
+		reg = <0x50>;
+	};
+};
+
+&wdt {
+	status = "okay";
+};
+
+&mmc0 {
+	status = "okay";
+	max-frequency = <50000000>;
+	bus-width = <4>;
+	cd-gpios = <&gpio 94 GPIO_ACTIVE_LOW>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin>;
+};
+
+&spi0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>, <&spi0_cs3_pin>;
+
+	flash@0 {
+		compatible = "n25q128a13", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		ti,spi-wdelay = <8>;
+
+		/* Partitions are based on the official firmware from LEGO */
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "U-Boot";
+				reg = <0 0x40000>;
+			};
+
+			partition@40000 {
+				label = "U-Boot Env";
+				reg = <0x40000 0x10000>;
+			};
+
+			partition@50000 {
+				label = "Kernel";
+				reg = <0x50000 0x200000>;
+			};
+
+			partition@250000 {
+				label = "Filesystem";
+				reg = <0x250000 0xa50000>;
+			};
+
+			partition@cb0000 {
+				label = "Storage";
+				reg = <0xcb0000 0x2f0000>;
+			};
+		};
+	};
+};
+
+&gpio {
+	status = "okay";
+};
+
+&usb_phy {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+	vbus-supply = <&vcc5v>;
+};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 104155d12c2f..6dfd3bf3a6d8 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -208,7 +208,18 @@
 					0x4c 0x02000022 0x0f0000ff
 				>;
 			};
-
+			vpif_capture_pins: vpif_capture_pins {
+				pinctrl-single,bits = <
+					/* VP_DIN[2..7], VP_CLKIN1, VP_CLKIN0 */
+					0x38 0x11111111 0xffffffff
+					/* VP_DIN[10..15,0..1] */
+					0x3c 0x11111111 0xffffffff
+					/* VP_DIN[8..9] */
+					0x40 0x00000011 0x000000ff
+					/* VP_CLKIN3, VP_CLKIN2 */
+					0x4c 0x00010100 0x000f0f00
+				>;
+			};
 		};
 		prictrl: priority-controller@14110 {
 			compatible = "ti,da850-mstpri";
@@ -266,22 +277,25 @@
 			interrupt-names = "edm3_tcerrint";
 		};
 		serial0: serial@42000 {
-			compatible = "ns16550a";
+			compatible = "ti,da830-uart", "ns16550a";
 			reg = <0x42000 0x100>;
+			reg-io-width = <4>;
 			reg-shift = <2>;
 			interrupts = <25>;
 			status = "disabled";
 		};
 		serial1: serial@10c000 {
-			compatible = "ns16550a";
+			compatible = "ti,da830-uart", "ns16550a";
 			reg = <0x10c000 0x100>;
+			reg-io-width = <4>;
 			reg-shift = <2>;
 			interrupts = <53>;
 			status = "disabled";
 		};
 		serial2: serial@10d000 {
-			compatible = "ns16550a";
+			compatible = "ti,da830-uart", "ns16550a";
 			reg = <0x10d000 0x100>;
+			reg-io-width = <4>;
 			reg-shift = <2>;
 			interrupts = <61>;
 			status = "disabled";
@@ -324,6 +338,18 @@
 			dma-names = "rx", "tx";
 			status = "disabled";
 		};
+		vpif: video@217000 {
+			compatible = "ti,da850-vpif";
+			reg = <0x217000 0x1000>;
+			interrupts = <92>;
+			status = "disabled";
+
+			/* VPIF capture port */
+			port {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
 		mmc1: mmc@21b000 {
 			compatible = "ti,da830-mmc";
 			reg = <0x21b000 0x1000>;
@@ -425,6 +451,14 @@
 					>;
 			status = "disabled";
 		};
+		usb1: usb@225000 {
+			compatible = "ti,da830-ohci";
+			reg = <0x225000 0x1000>;
+			interrupts = <59>;
+			phys = <&usb_phy 1>;
+			phy-names = "usb-phy";
+			status = "disabled";
+		};
 		gpio: gpio@226000 {
 			compatible = "ti,dm6441-gpio";
 			gpio-controller;
@@ -458,10 +492,11 @@
 			dma-names = "tx", "rx";
 		};
 
-		display: display@213000 {
+		lcdc: display@213000 {
 			compatible = "ti,da850-tilcdc";
 			reg = <0x213000 0x1000>;
 			interrupts = <52>;
+			max-pixelclock = <37500>;
 			status = "disabled";
 		};
 	};