Date:   Fri, 13 Mar 2020 09:03:50 +0100
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Paul Cercueil <paul@...pouillou.net>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Stenkin Evgeniy <stenkinevgeniy@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: DTS: Add devicetree file for the Galaxy S2


On 12.03.2020 16:34, Paul Cercueil wrote:
> From: Stenkin Evgeniy <stenkinevgeniy@...il.com>
>
> Add devicetree file for the Exynos 4210 based Galaxy S2 (i9100 version).
>
> Signed-off-by: Stenkin Evgeniy <stenkinevgeniy@...il.com>
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>   arch/arm/boot/dts/Makefile             |   1 +
>   arch/arm/boot/dts/exynos4210-i9100.dts | 816 +++++++++++++++++++++++++
>   2 files changed, 817 insertions(+)
>   create mode 100644 arch/arm/boot/dts/exynos4210-i9100.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index d6546d2676b9..522436d30690 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -181,6 +181,7 @@ dtb-$(CONFIG_ARCH_EXYNOS3) += \
>   	exynos3250-monk.dtb \
>   	exynos3250-rinato.dtb
>   dtb-$(CONFIG_ARCH_EXYNOS4) += \
> +	exynos4210-i9100.dtb \
>   	exynos4210-origen.dtb \
>   	exynos4210-smdkv310.dtb \
>   	exynos4210-trats.dtb \
> diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts
> new file mode 100644
> index 000000000000..c218e34959be
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos4210-i9100.dts
> @@ -0,0 +1,816 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Samsung's Exynos4210 based Galaxy S2 (i9100 version) device tree
> + *
> + * Copyright (c) 2012 Samsung Electronics Co., Ltd.
> + *		http://www.samsung.com
> + * Copyright (c) 2020 Stenkin Evgeniy <stenkinevgeniy@...il.com>
> + * Copyright (c) 2020 Paul Cercueil <paul@...pouillou.net>
> + *
> + * Device tree source file for Samsung's Galaxy S2 smartphone (i9100 version),
> + * which is based on Samsung's Exynos4210 SoC.
> + */
> +
> +/dts-v1/;
> +#include "exynos4210.dtsi"
> +#include "exynos4412-ppmu-common.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> +
> +/ {
> +	model = "Samsung Galaxy S2 (i9100)";
> +	compatible = "samsung,i9100", "samsung,exynos4210", "samsung,exynos4";
> +
> +
> +	memory@...00000 {
> +		device_type = "memory";
> +		reg = <0x40000000 0x40000000>;
> +	};
> +
> +	vemmc_reg: regulator-0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VMEM_VDD_2.8V";
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		gpio = <&gpk0 2 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	tsp_reg: regulator-1 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "TSP_FIXED_VOLTAGES";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpl0 3 GPIO_ACTIVE_HIGH>;
> +		startup-delay-us = <70000>;
> +		enable-active-high;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +	cam_af_28v_reg: regulator-3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "8M_AF_2.8V_EN";
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		gpio = <&gpk1 1 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	cam_io_en_reg: regulator-4 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "CAM_IO_EN";
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		gpio = <&gpe2 1 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	cam_io_12v_reg: regulator-5 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "8M_1.2V_EN";
> +		regulator-min-microvolt = <1200000>;
> +		regulator-max-microvolt = <1200000>;
> +		gpio = <&gpe2 5 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	vt_core_15v_reg: regulator-6 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VT_CORE_1.5V";
> +		regulator-min-microvolt = <1500000>;
> +		regulator-max-microvolt = <1500000>;
> +		gpio = <&gpe2 2 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +
> +		vol-down {
> +			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEDOWN>;
> +			label = "volume down";
> +			debounce-interval = <10>;
> +		};
> +
> +		vol-up {
> +			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEUP>;
> +			label = "volume up";
> +			debounce-interval = <10>;
> +		};
> +
> +		power {
> +			gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_POWER>;
> +			label = "power";
> +			debounce-interval = <10>;
> +			wakeup-source;
> +		};
> +
> +		ok {
> +			gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_OK>;
> +			label = "ok";
> +			debounce-interval = <10>;
> +		};
> +	};
> +
> +	wlan_pwrseq: sdhci3-pwrseq {
> +		compatible = "mmc-pwrseq-simple";
> +		reset-gpios = <&gpl1 2 GPIO_ACTIVE_LOW>;
> +	};
> +
> +	i2c_max17042_fuel: i2c-gpio-3 {
> +		compatible = "i2c-gpio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		sda-gpios = <&gpy4 0 GPIO_ACTIVE_HIGH>;
> +		scl-gpios = <&gpy4 1 GPIO_ACTIVE_HIGH>;
> +		i2c-gpio,delay-us = <5>;
> +
> +		battery@36 {
> +			compatible = "maxim,max17042";
> +
> +			interrupt-parent = <&gpx2>;
> +			interrupts = <3 2>;
> +
> +			pinctrl-0 = <&max17042_fuel_irq>;
> +			pinctrl-names = "default";
> +
> +			reg = <0x36>;
> +			maxim,over-heat-temp = <700>;
> +			maxim,over-volt = <4500>;
> +
> +		};
> +	};
> +
> +	spi-lcd {
> +		compatible = "spi-gpio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		num-chipselects = <1>;
> +		cs-gpios = <&gpy4 3 GPIO_ACTIVE_HIGH>;
LD9040 CS is active low, so this board needs probably the same fix a 
Universal C210 board: https://patchwork.kernel.org/patch/11420231/ Are 
you sure it really works now with v5.6-rcX kernels? Or you just got the 
panel working only because the bootloader enabled it?
> +		sck-gpios = <&gpy3 1 GPIO_ACTIVE_HIGH>;
> +		mosi-gpios = <&gpy3 3 GPIO_ACTIVE_HIGH>;
> +
> +		lcd@0 {
> +			compatible = "samsung,ld9040";
> +			reg = <0>;
> +
> +			spi-max-frequency = <1200000>;
> +			spi-cpol;
> +			spi-cpha;
> +
> +			vdd3-supply = <&vmipi_reg>;
> +			vci-supply = <&vcclcd_reg>;
> +
> +			reset-gpios = <&gpy4 5 GPIO_ACTIVE_HIGH>;
> +			power-on-delay = <10>;
> +			reset-delay = <10>;
> +
> +			panel-width-mm = <90>;
> +			panel-height-mm = <154>;
> +
> +			display-timings {
> +				timing {
> +					clock-frequency = <23492370>;
> +					hactive = <480>;
> +					vactive = <800>;
> +					hback-porch = <16>;
> +					hfront-porch = <16>;
> +					vback-porch = <2>;
> +					vfront-porch = <28>;
> +					hsync-len = <2>;
> +					vsync-len = <1>;
> +					hsync-active = <0>;
> +					vsync-active = <0>;
> +					de-active = <0>;
> +					pixelclk-active = <0>;
> +				};
> +			};
> +
> +			port {
> +				lcd_ep: endpoint {
> +					remote-endpoint = <&fimd_dpi_ep>;
> +				};
> +			};
> +		};
> +	};
> +
> +	fixed-rate-clocks {
> +		xxti {
> +			compatible = "samsung,clock-xxti";
> +			clock-frequency = <0>;
> +		};
> +
> +		xusbxti {
> +			compatible = "samsung,clock-xusbxti";
> +			clock-frequency = <24000000>;
> +		};
> +	};
> +
> +	thermal-zones {
> +		cpu_thermal: cpu-thermal {
> +			cooling-maps {
> +				map0 {
> +					/* Corresponds to 800MHz */
> +					cooling-device = <&cpu0 2 2>;
> +				};
> +				map1 {
> +					/* Corresponds to 200MHz */
> +					cooling-device = <&cpu0 4 4>;
> +				};
> +			};
> +		};
> +	};
> +
> +};
> +
> +&camera {
> +	status = "okay";
> +};
> +
> +&cpu0 {
> +	cpu0-supply = <&varm_breg>;
> +};
> +
> +&exynos_usbphy {
> +	status = "okay";
> +
> +	vbus-supply = <&safe1_sreg>;
> +};
> +
> +&fimc_0 {
> +	status = "okay";
> +
> +	assigned-clocks = <&clock CLK_MOUT_FIMC0>, <&clock CLK_SCLK_FIMC0>;
> +	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
> +	assigned-clock-rates = <0>, <160000000>;
> +};
> +
> +&fimc_1 {
> +	status = "okay";
> +
> +	assigned-clocks = <&clock CLK_MOUT_FIMC1>, <&clock CLK_SCLK_FIMC1>;
> +	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
> +	assigned-clock-rates = <0>, <160000000>;
> +};
> +
> +&fimc_2 {
> +	status = "okay";
> +
> +	assigned-clocks = <&clock CLK_MOUT_FIMC2>, <&clock CLK_SCLK_FIMC2>;
> +	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
> +	assigned-clock-rates = <0>, <160000000>;
> +};
> +
> +&fimc_3 {
> +	status = "okay";
> +
> +	assigned-clocks = <&clock CLK_MOUT_FIMC3>, <&clock CLK_SCLK_FIMC3>;
> +	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
> +	assigned-clock-rates = <0>, <160000000>;
> +};
> +
> +&fimd {
> +	status = "okay";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	samsung,invert-vden;
> +	samsung,invert-vclk;
> +
> +	pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
> +	pinctrl-names = "default";
> +
> +	port@3 {
> +		reg = <3>;
> +
> +		fimd_dpi_ep: endpoint {
> +			remote-endpoint = <&lcd_ep>;
> +		};
> +	};
> +};
> +
> +&hsotg {
> +	status = "okay";
> +
> +	dr_mode = "otg";
The the host mode really works with DWC2? Afair the host mode worked 
only when it was rerouted by PHY to the EHCI (at least on UniversalC210 
board, which is very similar to GS2).
> +	vusb_d-supply = <&vusb_reg>;
> +	vusb_a-supply = <&vusbdac_reg>;
> +};
> +
> +&ehci {
> +	status = "okay";
> +
> +	port@0 {
> +		status = "okay";
> +	};
> +
> +	port@1 {
> +		status = "okay";
> +	};
> +
> +	port@2 {
> +		status = "okay";
> +	};
> +};

This is the old, obsolete exynos-ehci binding. Please remove 'port' 
nodes and use standard USB phy bindings like it has been done in the 
following patch: https://patchwork.kernel.org/patch/11060465/

BTW, do you really need all 3 phys/ports?

> +
> +
> +&i2c_3 {
> +	status = "okay";
> +
> +	samsung,i2c-sda-delay = <100>;
> +	samsung,i2c-slave-addr = <0x10>;
> +	samsung,i2c-max-bus-freq = <100000>;
> +
> +	pinctrl-0 = <&i2c3_bus>;
> +	pinctrl-names = "default";
> +
> +	mxt224-touchscreen@4a {
> +		compatible = "atmel,maxtouch";
> +		reg = <0x4a>;
> +
> +		interrupt-parent = <&gpx0>;
> +		interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
> +
> +		avdd-supply = <&tsp_reg>;
> +		vdd-supply = <&tsp_reg>;
> +	};
> +};
> +
> +&i2c_7 {
> +	status = "okay";
> +
> +	samsung,i2c-sda-delay = <100>;
> +	samsung,i2c-slave-addr = <0x10>;
> +	samsung,i2c-max-bus-freq = <400000>;
> +
> +	pinctrl-0 = <&i2c7_bus>;
> +	pinctrl-names = "default";
> +
> +	ak8975@c {
> +		compatible = "asahi-kasei,ak8975";
> +		reg = <0x0c>;
> +
> +		gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +
> +&i2c_5 {
> +	status = "okay";
> +
> +	samsung,i2c-sda-delay = <100>;
> +	samsung,i2c-slave-addr = <0x10>;
> +	samsung,i2c-max-bus-freq = <100000>;
> +
> +	pinctrl-0 = <&i2c5_bus>;
> +	pinctrl-names = "default";
> +
> +	max8997_pmic@66 {
> +		compatible = "maxim,max8997-pmic";
> +		reg = <0x66>;
> +
> +		interrupts-extended = <&gpx0 7 0>, <&gpx2 3 2>;
> +		interrupt-parent = <&gpx0>;
> +		interrupts = <7 IRQ_TYPE_NONE>;
> +
> +		otg_en-gpios = <&gpx3 3 0>;
> +		usb_sel-gpios = <&gpl0 6 0>;
> +
> +		max8997,pmic-buck1-uses-gpio-dvs;
> +		max8997,pmic-buck2-uses-gpio-dvs;
> +		max8997,pmic-buck5-uses-gpio-dvs;
> +
> +		max8997,pmic-ignore-gpiodvs-side-effect;
> +		max8997,pmic-buck125-default-dvs-idx = <0>;
> +
> +		max8997,pmic-buck125-dvs-gpios = <&gpx0 5 GPIO_ACTIVE_HIGH>,
> +						 <&gpx0 6 GPIO_ACTIVE_HIGH>,
> +						 <&gpl0 0 GPIO_ACTIVE_HIGH>;
> +
> +		max8997,pmic-buck1-dvs-voltage = <1350000>, <1300000>,
> +						 <1250000>, <1200000>,
> +						 <1150000>, <1100000>,
> +						 <1000000>, <950000>;
> +
> +		max8997,pmic-buck2-dvs-voltage = <1100000>, <1000000>,
> +						 <950000>,  <900000>,
> +						 <1100000>, <1000000>,
> +						 <950000>,  <900000>;
> +
> +		max8997,pmic-buck5-dvs-voltage = <1200000>, <1200000>,
> +						 <1200000>, <1200000>,
> +						 <1200000>, <1200000>,
> +						 <1200000>, <1200000>;
> +
> +		pinctrl-0 = <&max8997_irq>, <&otg_gp>, <&usb_sel>;
> +		pinctrl-names = "default";
> +
> +		regulators {
> +			vadc_reg: LDO1 {
> +				regulator-name = "VADC_3.3V_C210";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +
> +			};
> +			valive_reg: LDO2 {
> +				regulator-name = "VALIVE_1.1V_C210";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +				regulator-always-on;
> +
> +			};
> +
> +			vusb_reg: LDO3 {
> +				regulator-name = "VUSB_1.1V_C210";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +			};
> +
> +			vmipi_reg: LDO4 {
> +				regulator-name = "VMIPI_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			vhsic_reg: LDO5 {
> +				regulator-name = "VHSIC_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			vpda_reg: LDO6 {
> +				regulator-name = "VCC_1.8V_PDA";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +			};
> +
> +			vcam_reg: LDO7 {
> +				regulator-name = "CAM_ISP_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			vusbdac_reg: LDO8 {
> +				regulator-name = "VUSB+VDAC_3.3V_C210";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +
> +			vccpda_reg: LDO9 {
> +				regulator-name = "VCC_2.8V_PDA";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				regulator-always-on;
> +			};
> +
> +			vtouch_reg: LDO11 {
> +				regulator-name = "TOUCH_2.8V";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				regulator-always-on;
> +			};
> +
> +			vpll_reg: LDO10 {
> +				regulator-name = "VPLL_1.1V";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +				regulator-always-on;
> +			};
> +
> +			vtcam_reg: LDO12 {
> +				regulator-name = "VT_CAM_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			vcclcd_reg: LDO13 {
> +				regulator-name = "VCC_3.0V_LCD";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3000000>;
> +			};
> +
> +			vmotor_reg: LDO14 {
> +				regulator-name = "VCC_2.8V_MOTOR";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +			};
> +
> +			vled_reg: LDO15 {
> +				regulator-name = "LED_A_2.8V";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +			};
> +
> +			camsensor_reg: LDO16 {
> +				regulator-name = "CAM_SENSOR_IO_1.8V";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			vtf_reg: LDO17 {
> +				regulator-name = "VTF_2.8V";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +			};
> +
> +			vtouchled_reg: LDO18 {
> +				regulator-name = "TOUCH_LED_3.3V";
> +				regulator-min-microvolt = <2500000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +
> +			vddq_reg: LDO21 {
> +				regulator-name = "VDDQ_M1M2_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			varm_breg: BUCK1 {
> +				//regulator-name = "VARM_1.2V_C210";
> +				regulator-name = "vdd_arm";
> +				regulator-min-microvolt = <65000>;
> +				regulator-max-microvolt = <2225000>;
> +				regulator-always-on;
> +			};
> +
> +			vint_breg: BUCK2 {
> +				regulator-name = "VINT_1.1V_C210";
> +				regulator-min-microvolt = <65000>;
> +				regulator-max-microvolt = <2225000>;
> +				regulator-always-on;
> +			};
> +
> +			vg3d_breg: BUCK3 {
> +				regulator-name = "G3D_1.1V";
> +				regulator-min-microvolt = <900000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			camisp_breg: BUCK4 {
> +				regulator-name = "CAM_ISP_CORE_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +			};
> +
> +			vmem_breg: BUCK5 {
> +				regulator-name = "VMEM_1.2V";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +				regulator-always-on;
> +			};
> +
> +			vccsub_breg: BUCK7 {
> +				regulator-name = "VCC_SUB_2.0V";
> +				regulator-min-microvolt = <2000000>;
> +				regulator-max-microvolt = <2000000>;
> +				regulator-always-on;
> +			};
> +
> +			safe1_sreg: ESAFEOUT1 {
> +				regulator-name = "SAFEOUT1";
> +			};
> +
> +			safe2_sreg: ESAFEOUT2 {
> +				regulator-name = "SAFEOUT2";
> +				regulator-boot-on;
> +			};
> +
> +			charger_reg: CHARGER {
> +				regulator-name = "CHARGER";
> +				regulator-min-microamp = <60000>;
> +				regulator-max-microamp = <2580000>;
> +				regulator-always-on;
> +			};
> +
> +			chargercv_reg: CHARGER_CV {
> +				regulator-name = "CHARGER_CV";
> +				regulator-min-microvolt = <3800000>;
> +				regulator-max-microvolt = <4100000>;
> +				regulator-always-on;
> +			};
> +
> +		};
> +
> +	};
> +};
> +
> +
> +&gpu {
> +	status = "okay";
> +
> +	mali-supply = <&vg3d_breg>;
> +	regulator-microvolt-offset = <50000>;
> +	regulator-microsecs-delay = <50>;
> +};
> +
> +
> +&sdhci_0 {
> +	status = "okay";
> +
> +	bus-width = <8>;
> +	non-removable;
> +	vmmc-supply = <&vemmc_reg>;
> +
> +	pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_bus8>;
> +	pinctrl-names = "default";
> +};
> +
> +&sdhci_2 {
> +	status = "okay";
> +
> +	bus-width = <4>;
> +	cd-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>;
> +	vmmc-supply = <&vtf_reg>;
> +
> +	pinctrl-0 = <&sd2_clk>, <&sd2_cmd>, <&sd2_bus4>;
> +	pinctrl-names = "default";
> +};
> +
> +&ehci {
> +	port@0 {
> +		status = "okay";
> +	};
> +
> +	port@1 {
> +		status = "okay";
> +	};
> +
> +	port@2 {
> +		status = "okay";
> +	};
> +
> +};

This is duplicated 'ehci' node, probable an artifact from the earlier 
rebase. Please remove it.

> +
> +
> +&sdhci_3 {
> +	status = "okay";
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	non-removable;
> +	bus-width = <4>;
> +	mmc-pwrseq = <&wlan_pwrseq>;
> +	vmmc-supply = <&vtf_reg>;
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sd3_clk>, <&sd3_cmd>, <&sd3_bus4>;
> +
> +	brcmf: wifi@1 {
> +		compatible = "brcm,bcm4330-fmac";
> +		reg = <1>;
> +
> +		interrupt-parent = <&gpx2>;
> +		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "host-wake";
> +	};
> +};
> +
> +
> +&serial_0 {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&bt_en>, <&bt_res>, <&uart0_data>, <&uart0_fctl>;
> +
> +	bluetooth {
> +		compatible = "brcm,bcm4330-bt";
> +
> +		shutdown-gpios = <&gpl0 4 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&gpl1 0 GPIO_ACTIVE_HIGH>;
> +		device-wakeup-gpios = <&gpx3 1 GPIO_ACTIVE_HIGH>;
> +		host-wakeup-gpios = <&gpx2 6 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&serial_1 {
> +	status = "okay";
> +};
> +
> +&serial_2 {
> +	status = "okay";
> +};
> +
> +&serial_3 {
> +	status = "okay";
> +};
> +
> +&tmu {
> +	status = "okay";
> +};
> +
> +
> +&pinctrl_0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sleep0>;
> +
> +
> +	sleep0: sleep-states {
> +		gpa0-0 {
> +			samsung,pins = "gpa0-0";
> +			samsung,pin-con-pdn = <EXYNOS_PIN_PDN_INPUT>;
> +			samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
> +		};
> +
> +		gpa0-1 {
> +			samsung,pins = "gpa0-1";
> +			samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT0>;
> +			samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
> +		};
> +
> +		gpa0-2 {
> +			samsung,pins = "gpa0-2";
> +			samsung,pin-con-pdn = <EXYNOS_PIN_PDN_INPUT>;
> +			samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
> +		};
> +
> +		gpa0-3 {
> +			samsung,pins = "gpa0-3";
> +			samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
> +			samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
> +		};
> +	};
> +};
> +
> +&pinctrl_1 {
> +	mhl_int: mhl-int {
> +		samsung,pins = "gpf3-5";
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +	};
> +
> +	i2c_mhl_bus: i2c-mhl-bus {
> +		samsung,pins = "gpf0-4", "gpf0-6";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
> +		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> +	};
> +
> +	usb_sel: usb-sel {
> +		samsung,pins = "gpl0-6";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> +		samsung,pin-val = <0>;
> +	};
> +
> +	bt_en: bt-en {
> +		samsung,pins = "gpl0-4";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV4>;
> +		samsung,pin-val = <0>;
> +	};
> +
> +	bt_res: bt-res {
> +		samsung,pins = "gpl1-0";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV4>;
> +		samsung,pin-val = <0>;
> +	};
> +
> +
> +	otg_gp: otg-gp {
> +		samsung,pins = "gpx3-3";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> +		samsung,pin-val = <0>;
> +	};
> +
> +	mag_mhl_gpio: mag-mhl-gpio {
> +		samsung,pins = "gpd0-2";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +	};
> +
> +
> +	max8997_irq: max8997-irq {
> +		samsung,pins = "gpx0-7";
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +	};
> +
> +	max17042_fuel_irq: max17042-fuel-irq {
> +		samsung,pins = "gpx2-3";
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +	};
> +
> +	tsp224_irq: tsp224-irq {
> +		samsung,pins = "gpx0-4";
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
> +	};
> +};

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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