ARM: dts: mxs: Add Creative X-Fi3 support

Add support for this small MP3 player based on STMP3780 (rev.4).
Currently supported is both external microSD and internal SD-NAND
bridge, PWM and USB gadget.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/Makefile

@@ -417,6 +417,7 @@ dtb-$(CONFIG_ARCH_MXS) += \
 	imx23-evk.dtb \
 	imx23-olinuxino.dtb \
 	imx23-stmp378x_devb.dtb \
+	imx23-xfi3.dtb \
 	imx28-apf28.dtb \
 	imx28-apf28dev.dtb \
 	imx28-apx4devkit.dtb \

arch/arm/boot/dts/imx23-xfi3.dts

+/*
+ * Copyright (C) 2013-2016 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file 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; either version 2 of
+ *     the License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/dts-v1/;
+#include "imx23.dtsi"
+
+/ {
+	model = "Creative ZEN X-Fi3";
+	compatible = "creative,x-fi3", "fsl,imx23";
+
+	memory {
+		reg = <0x40000000 0x04000000>;
+	};
+
+	apb@80000000 {
+		apbh@80000000 {
+			ssp0: ssp@80010000 {
+				compatible = "fsl,imx23-mmc";
+				pinctrl-names = "default";
+				pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>;
+				bus-width = <4>;
+				vmmc-supply = <&reg_vddio_sd0>;
+				cd-inverted;
+				status = "okay";
+			};
+
+			ssp1: ssp@80034000 {
+				compatible = "fsl,imx23-mmc";
+				pinctrl-names = "default";
+				pinctrl-0 = <&mmc1_4bit_pins_a>;
+				bus-width = <4>;
+				non-removable;
+				status = "okay";
+			};
+
+			pinctrl@80018000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&hog_pins_a>;
+
+				hog_pins_a: hog@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						MX23_PAD_GPMI_D07__GPIO_0_7
+					>;
+					fsl,drive-strength = <0>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+
+				key_pins_a: keys@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						MX23_PAD_ROTARYA__GPIO_2_7
+						MX23_PAD_ROTARYB__GPIO_2_8
+					>;
+					fsl,drive-strength = <0>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+			};
+		};
+
+		apbx@80040000 {
+			i2c: i2c@80058000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c_pins_a>;
+				status = "okay";
+			};
+
+			pwm: pwm@80064000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pwm2_pins_a>;
+				status = "okay";
+			};
+
+			duart: serial@80070000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&duart_pins_a>;
+				status = "okay";
+			};
+
+			auart1: serial@8006e000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart1_2pins_a>;
+				status = "okay";
+			};
+
+			usbphy0: usbphy@8007c000 {
+				status = "okay";
+			};
+
+			lradc@80050000 {
+				status = "okay";
+			};
+		};
+	};
+
+	ahb@80080000 {
+		usb0: usb@80080000 {
+			dr_mode = "peripheral";
+			status = "okay";
+		};
+	};
+
+	reg_vddio_sd0: regulator-vddio-sd0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vddio-sd0";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio0 7 0>;
+	};
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 2 5000000>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&key_pins_a>;
+
+		voldown {
+			label = "volume-down";
+			linux,code = <114>;
+			gpios = <&gpio2 7 0>;
+			debounce-interval = <20>;
+		};
+
+		volup {
+			label = "volume-up";
+			linux,code = <115>;
+			gpios = <&gpio2 8 0>;
+			debounce-interval = <20>;
+		};
+	};
+};