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Date:   Thu, 30 Aug 2018 21:59:41 +0200
From:   Robert Jarzmik <robert.jarzmik@...e.fr>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Robert Jarzmik <robert.jarzmik@...e.fr>
Subject: [PATCH v3] ARM: dts: pxa: add mioa701 board description

Add device-tree description of the Mitac MIO A701 board.
This is aimed at replacing mioa701.c board file, and once stabilized,
the leftover, such as the suspend resume mechanics will rely on a new
IPL, and not the legacy Windows CE one.

Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
---
Since v1: fix lcd_supply and lcd_backlight
          These were depending on my internal tree changes, fit it.
Since v2: take into account Rob's comments

This patch deserves some special "love review". As it will probably
serve for a more broad pxa conversion to devicetree of the other boards,
and because it touches almost all domains for a pxa platform (camera,
video, audio, i2c, ...), it should be as clean as possible so that
mistakes are not carried on ...

Therefore I expect the review of this one to be long (ie. it won't land
for v4.19), until it looks good enough.
---
 arch/arm/boot/dts/Makefile    |   2 +
 arch/arm/boot/dts/mioa701.dts | 558 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 560 insertions(+)
 create mode 100644 arch/arm/boot/dts/mioa701.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b5bd3de87c33..8809f4e2244d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -775,6 +775,8 @@ dtb-$(CONFIG_ARCH_PRIMA2) += \
 dtb-$(CONFIG_ARCH_OXNAS) += \
 	ox810se-wd-mbwe.dtb \
 	ox820-cloudengines-pogoplug-series-3.dtb
+dtb-$(CONFIG_ARCH_PXA) += \
+	mioa701.dtb
 dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-apq8060-dragonboard.dtb \
 	qcom-apq8064-arrow-sd-600eval.dtb \
diff --git a/arch/arm/boot/dts/mioa701.dts b/arch/arm/boot/dts/mioa701.dts
new file mode 100644
index 000000000000..3791bc69e155
--- /dev/null
+++ b/arch/arm/boot/dts/mioa701.dts
@@ -0,0 +1,558 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ *  Copyright (C) 2018 Robert Jarzmik <robert.jarzmik@...e.fr>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+/dts-v1/;
+#include "pxa27x.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/pxa-clock.h>
+
+/ {
+	model = "Mitac Mio A701 Board";
+	compatible = "marvell,pxa270";
+
+	chosen {
+		bootargs = "mtdparts=docg3.0:256k@...6k(barebox)ro,256k(barebox-logo),128k(barebox-env),4M(kernel),-(root) ubi.mtd=4 rootfstype=ubifs root=ubi0:linux_root ro";
+	};
+
+	memory {
+		reg = <0xa0000000 0x04000000>;
+
+		reserved-memory {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			pstore_region:region@...00000 {
+				compatible = "linux,contiguous-memory-region";
+				reg = <0xa2000000 0x100000>;
+			};
+		};
+	};
+
+	cpus {
+		cpu {
+			cpu-supply = <&vcc_core>;
+		};
+	};
+
+	pxabus {
+		pinctrl: pinctrl@...00000 {
+			status = "okay";
+			pinctrl_ac97_default: ac97-default {
+				PMMUX(hpjack-detect, 12, gpio_in);
+				PMMUX(ac97-bitclk, 28, AC97_BITCLK);
+				PMMUX(ac97-sdata-in-0, 29, AC97_SDATA_IN_0);
+				PMMUX(ac97-sdata-out, 30, AC97_SDATA_OUT);
+				PMMUX(ac97-sync, 31, AC97_SYNC);
+				PMMUX(ac97-sysclk, 89, AC97_SYSCLK);
+			};
+			pinctrl_btuart_default: btuart-default {
+				PMMUX(btuart-nactivity, 14, gpio_in);
+				PMMUX(btuart-rxd, 42, BTRXD);
+				PMMUX(btuart-txd, 43, BTTXD);
+				PMMUX(btuart-cts, 44, BTCTS);
+				PMMUX(btuart-rts, 45, BTRTS);
+				PMMUX_LPM_LOW(bt-on, 83, gpio_out);
+				PMMUX_LPM_HIGH(bt-unknown, 77, gpio_out);
+				PMMUX_LPM_HIGH(bt-nreset, 86, gpio_out);
+			};
+			pinctrl_ffuart_default: ffuart-default {
+				PMMUX(ffuart-rxd, 34, FFRXD);
+				PMMUX(ffuart-cts, 35, FFCTS);
+				PMMUX(ffuart-dcd, 36, FFDCD);
+				PMMUX(ffuart-dsr, 37, FFDSR);
+				PMMUX(ffuart-txd, 39, FFTXD);
+				PMMUX(ffuart-dtr, 40, FFDTR);
+				PMMUX(ffuart-rts, 41, FFRTS);
+				PMMUX_LPM_LOW(gsm-reset, 24, gpio_out);
+				PMMUX(gsm-is-on, 25, gpio_in);
+				PMMUX_LPM_HIGH(gsm-nset-on, 88, gpio_out);
+				PMMUX_LPM_HIGH(gsm-nset-off, 90, gpio_out);
+				PMMUX(gsm-event-available, 113, gpio_in);
+				PMMUX_LPM_HIGH(gsm-dte-state, 114, gpio_out);
+			};
+			pinctrl_gpiokeys_default: gpiokeys-default {
+				PMMUX(key-power, 0, gpio_in);
+				PMMUX(key-volume_up, 93, gpio_in);
+				PMMUX(key-volume_down, 94, gpio_in);
+			};
+			pinctrl_keypad_default: keypad-default {
+				PMMUX(keypad-mkin0, 100, KP_MKIN<0>);
+				PMMUX(keypad-mkin1, 101, KP_MKIN<1>);
+				PMMUX(keypad-mkin2, 102, KP_MKIN<2>);
+				PMMUX(keypad-mkout0, 103, KP_MKOUT<0>);
+				PMMUX(keypad-mkout1, 104, KP_MKOUT<1>);
+				PMMUX(keypad-mkout2, 105, KP_MKOUT<2>);
+			};
+			pinctrl_i2c_default: i2c-default {
+				PMMUX(i2c-scl, 117, SCL);
+				PMMUX(i2c-sda, 118, SDA);
+			};
+			pinctrl_lcd_default: lcd-default {
+				PMMUX(ldd0, 58, LDD<0>);
+				PMMUX(ldd1, 59, LDD<1>);
+				PMMUX(ldd2, 60, LDD<2>);
+				PMMUX(ldd3, 61, LDD<3>);
+				PMMUX(ldd4, 62, LDD<4>);
+				PMMUX(ldd5, 63, LDD<5>);
+				PMMUX(ldd6, 64, LDD<6>);
+				PMMUX(ldd7, 65, LDD<7>);
+				PMMUX(ldd8, 66, LDD<8>);
+				PMMUX(ldd9, 67, LDD<9>);
+				PMMUX(ldd10, 68, LDD<10>);
+				PMMUX(ldd11, 69, LDD<11>);
+				PMMUX(ldd12, 70, LDD<12>);
+				PMMUX(ldd13, 71, LDD<13>);
+				PMMUX(ldd14, 72, LDD<14>);
+				PMMUX(ldd16, 73, LDD<15>);
+				PMMUX(lcd-fclk, 74, L_FCLK_RD);
+				PMMUX(lcd-lclk, 75, L_LCLK_A0);
+				PMMUX(lcd-pclk, 76, L_PCLK_WR);
+				PMMUX(lcd-power, 87, gpio_out);
+			};
+			pinctrl_leds_default: leds-default {
+				PMMUX_LPM_HIGH(led-charging, 10, gpio_out);
+				PMMUX_LPM_HIGH(led-vibra, 82, gpio_out);
+				PMMUX_LPM_HIGH(led-blue, 97, gpio_out);
+				PMMUX_LPM_HIGH(led-orange, 98, gpio_out);
+				PMMUX_LPM_HIGH(led-keyboard, 115, gpio_out);
+			};
+			pinctrl_pwm0_default: pwm0-defaut {
+				PMMUX(pwm0, 16, PWM_OUT<0>);
+			};
+			pinctrl_qci_default: qci-defaut {
+				PMMUX(cif-dd6, 17, CIF_DD<6>);
+				PMMUX(cif-dd3, 50, CIF_DD<3>);
+				PMMUX(cif-dd2, 51, CIF_DD<2>);
+				PMMUX(cif-dd4, 52, CIF_DD<4>);
+				PMMUX(cif-mclk, 53, CIF_MCLK);
+				PMMUX(cif-pclk, 54, CIF_PCLK);
+				PMMUX_LPM_HIGH(mt9m111-nOE, 56, gpio_out);
+				PMMUX(cif-dd1, 55, CIF_DD<1>);
+				PMMUX(cif-dd0, 81, CIF_DD<0>);
+				PMMUX(cif-dd5, 48, CIF_DD<5>);
+				PMMUX(cif-fv, 84, CIF_FV);
+				PMMUX(cif-lv, 85, CIF_LV);
+				PMMUX(cif-dd7, 108, CIF_DD<7>);
+			};
+			pinctrl_mmc_default: mmc-default {
+				PMMUX(sd-insert, 15, gpio_in);
+				PMMUX(mmclk, 32, MMCLK);
+				PMMUX(sd-ro, 78, gpio_in);
+				PMMUX_LPM_LOW(sd-enable, 91, gpio_out);
+				PMMUX(mmdat0, 92, MMDAT<0>);
+				PMMUX(mmdat1, 109, MMDAT<1>);
+				PMMUX(mmdat2, 110, MMDAT<2>);
+				PMMUX(mmdat3, 111, MMDAT<3>);
+				PMMUX(mmcmd, 112, MMCMD);
+			};
+			pinctrl_stuart_default: stuart-default {
+				PMMUX_LPM_LOW(gps-unknown1, 23, gpio_out);
+				PMMUX_LPM_LOW(gps-on, 26, gpio_out);
+				PMMUX_LPM_LOW(gps-nreset, 27, gpio_out);
+				PMMUX(stuart-rxd, 46, STRXD);
+				PMMUX(stuart-txd, 47, STTXD);
+				PMMUX_LPM_LOW(gps-unknown2, 106, gpio_out);
+				PMMUX_LPM_LOW(gps-unknown3, 107, gpio_out);
+			};
+			pinctrl_usb_default: usb-default {
+				PMMUX(n-usb-detect, 13, gpio_in);
+				PMMUX_LPM_LOW(n-dplus-pullup, 22, gpio_out);
+			};
+			pinctrl_power_default: power-default {
+				PMMUX_LPM_LOW(charge-enable, 9, gpio_out);
+				PMMUX(charge-vdrop, 80, gpio_out);
+				PMMUX(ac-detect, 96, gpio_in);
+			};
+		};
+
+		pwm0: pwm@...00000 {
+		      status = "okay";
+		};
+
+		gpio: gpio@...00000 {
+			status = "okay";
+		};
+
+		ffuart: serial@...00000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_ffuart_default>;
+			status = "okay";
+		};
+
+		btuart: serial@...00000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_btuart_default>;
+			status = "okay";
+		};
+
+		stuart: serial@...00000 {
+			status = "okay";
+		};
+
+		usb2phy: gpio-vbus@13 {
+			compatible = "usb-nop-xceiv";
+			#phy-cells = <1>;
+			vbus-detect-gpio = <&gpio 13 GPIO_ACTIVE_LOW>;
+			wakeup;
+		};
+
+		pxa27x_udc: udc@...00000 {
+			status = "okay";
+			gpios = <&gpio 22 0>;
+			phys = <&usb2phy>;
+			phys-names = "usb2phy";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_default>;
+		};
+
+		pwri2c: i2c@...000180 {
+			status = "okay";
+
+			core_regulator@14 {
+				compatible = "maxim,max1586";
+				reg = <0x14>;
+				v3-gain = <1000000>;
+
+				regulators {
+					vcc_core: v3 {
+						regulator-name = "vcc_core";
+						regulator-compatible = "Output_V3";
+						regulator-min-microvolt = <1000000>;
+						regulator-max-microvolt = <1705000>;
+						regulator-always-on;
+					};
+				};
+			};
+		};
+
+		pxai2c1: i2c@...01680 {
+			mrvl,i2c-fast-mode;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_i2c_default>;
+			status = "okay";
+
+			mt9m111: camera@5d {
+				compatible = "micron,mt9m111";
+				reg = <0x5d>;
+				gpios = <&gpio 56 GPIO_ACTIVE_HIGH>;
+
+				remote = <&pxa_camera>;
+				port {
+					mt9m111_1: endpoint {
+						bus-width = <8>;
+						remote-endpoint = <&pxa_camera>;
+					};
+				};
+			};
+		};
+
+		keypad: keypad@...00000 {
+			status = "okay";
+
+			keypad,num-rows = <3>;
+			keypad,num-columns = <3>;
+			linux,keymap = <
+				0x00000067	/* KEY_UP */
+				0x0001006a	/* KEY_RIGHT */
+				0x000200e2	/* KEY_MEDIA */
+				0x0100006c	/* KEY_DOWN */
+				0x0101001c	/* KEY_ENTER */
+				0x010200da	/* KEY_CONNECT */
+				0x02000069	/* KEY_LEFT */
+				0x020100a9	/* KEY_PHONE */
+				0x020200d4>;	/* KEY_CAMERA */
+			marvell,debounce-interval = <0>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_keypad_default>;
+		};
+
+		gpio-keys {
+			compatible = "gpio-keys";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			autorepeat;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_gpiokeys_default>;
+			status = "okay";
+
+			power-button {
+				label = "GPIO Key Power";
+				linux,code = <174>;
+				gpios = <&gpio 0 0>;
+				gpio-key,wakeup;
+			};
+			hp-jack-detect {
+				label = "HP jack detect";
+				linux,code = <211>;
+				gpios = <&gpio 12 0>;
+			};
+			volume-up {
+				label = "Volume Up Key";
+				linux,code = <115>;
+				gpios = <&gpio 93 0>;
+			};
+			volume-down {
+				label = "Volume Down Key";
+				linux,code = <114>;
+				gpios = <&gpio 94 0>;
+			};
+		};
+
+		mmc0: mmc@...00000 {
+			vmmc-supply = <&reg_vmmc>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_mmc_default>;
+			bus-width = <4>;
+			cd-gpios = <&gpio 15 0>;
+			wp-gpios = <&gpio 78 0>;
+			status = "okay";
+		};
+
+		pxa_camera: imaging@...00000 {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_qci_default>;
+
+			port {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				/* Parallel bus endpoint */
+				qci: endpoint@0 {
+					reg = <0>;
+					remote-endpoint = <&mt9m111_1>;
+					bus-width = <8>;
+
+					hsync-active = <0>;
+					vsync-active = <0>;
+					pclk-sample = <1>;
+				};
+			};
+		};
+
+		rtc@...00000 {
+			status = "okay";
+		};
+
+		lcd-controller@...00000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_lcd_default>;
+			status = "okay";
+			port {
+				lcdc_out: endpoint {
+					remote-endpoint = <&panel_in>;
+					bus-width = <16>;
+				};
+			};
+		};
+
+		ac97: sound@...00000 {
+			compatible = "marvell,pxa270-ac97";
+			reg = < 0x40500000 0x1000 >;
+			interrupts = <14>;
+			reset-gpios = <&gpio 95 GPIO_ACTIVE_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = < &pinctrl_ac97_default >;
+			clocks = <&clks CLK_AC97>, <&clks CLK_AC97CONF>;
+			clock-names = "AC97CLK", "AC97CONFCLK";
+			dmas = <&pdma 8 0
+				&pdma 9 0
+				&pdma 10 0
+				&pdma 11 0
+				&pdma 12 0>;
+			dma-names = "pcm_pcm_mic_mono", "pcm_pcm_aux_mono_in",
+				    "pcm_pcm_aux_mono_out", "pcm_pcm_stereo_in",
+				    "pcm_pcm_stereo_out";
+
+			#sound-dai-cells = <0>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wm9713: audio-codec@0 {
+				reg = <0>;
+				compatible = "ac97,574d,4c13";
+				clocks = <&wm9713_bitclk>;
+				clock-names = "ac97_clk";
+				#sound-dai-cells = <0>;
+
+				wm9713_bitclk: ac97_bitclk {
+					compatible = "fixed-clock";
+					#clock-cells = <0>;
+					clock-frequency = <12285000>;
+					status = "okay";
+				};
+			};
+		};
+
+		pxa_pcm_audio: snd_soc_pxa_audio {
+			compatible = "mrvl,pxa-pcm-audio";
+			#sound-dai-cells = <0>;
+			status = "okay";
+		};
+
+		lcd-controller@...00000 {
+			lcd-supply = <&lcd_vmmc>;
+		};
+
+		docg3: flash@0 {
+			compatible = "m-systems,diskonchip-g3";
+			reg = <0x0 0x2000>;
+		};
+
+	};
+
+	reg_vmmc: regulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&gpio 91 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	lcd_vmmc: regulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-supply";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+
+		gpio = <&gpio 87 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	lcd_backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 4096000>;
+		pwm-names = "backlight";
+
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <2>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pwm0_default>;
+	};
+
+	panel {
+		compatible = "toshiba,ltm0305a776";
+		lcd-type = "color-tft";
+
+		backlight = <&lcd_backlight>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&lcdc_out>;
+			};
+		};
+
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: 240p {
+				/* 240x320p24 */
+				clock-frequency = <4545000>;
+				hactive = <240>;
+				vactive = <320>;
+				hfront-porch = <4>;
+				hback-porch = <6>;
+				hsync-len = <4>;
+				vback-porch = <5>;
+				vfront-porch = <3>;
+				vsync-len = <2>;
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_leds_default>;
+
+		charger-led {
+			label = "mioa701:charging";
+			gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		vibrator {
+			label = "mioa701:vibra";
+			gpios = <&gpio 82 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		bluetooth-led {
+			label = "mioa701:blue";
+			gpios = <&gpio 97 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		orange-led {
+			label = "mioa701:orange";
+			gpios = <&gpio 98 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+
+		keyboard-led {
+			label = "mioa701:keyboard";
+			gpios = <&gpio 115 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "MioA701";
+		simple-audio-card,widgets =
+		"Speaker", "Front Speaker",
+		"Speaker", "Rear Speaker",
+		"Microphone", "Headset",
+		"Microphone", "GSM Line Out",
+		"Line", "GSM Line In",
+		"Microphone", "Headset Mic",
+		"Microphone", "Front Mic";
+		simple-audio-card,routing =
+			/* Call Mic */
+			"Mic Bias", "Front Mic",
+			"MIC1", "Mic Bias",
+			/* Headset Mic */
+			"LINEL", "Headset Mic",
+			"LINER", "Headset Mic",
+			/* GSM Module */
+			"MONOIN", "GSM Line Out",
+			"PCBEEP", "GSM Line Out",
+			"GSM Line In", "MONO",
+			/* headphone connected to HPL, HPR */
+			"Headset", "HPL",
+			"Headset", "HPR",
+			/* front speaker connected to HPL, OUT3 */
+			"Front Speaker", "HPL",
+			"Front Speaker", "OUT3",
+			/* rear speaker connected to SPKL, SPKR */
+			"Rear Speaker", "SPKL",
+			"Rear Speaker", "SPKR";
+
+		simple-audio-card,cpu {
+			sound-dai = <&ac97>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&wm9713>;
+		};
+		simple-audio-card,plat {
+			sound-dai = <&pxa_pcm_audio>;
+		};
+	};
+
+	ac_charger: charger {
+		compatible = "gpio-charger";
+		charger-type = "usb-aca";
+		gpios = <&gpio 96 GPIO_ACTIVE_HIGH>;
+	};
+};
-- 
2.11.0

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