Re: [PATCH 6/7] arm64: dts: exynos: Add dts file for Exynos5433-based TM2 board

From: Rob Herring
Date: Thu Aug 18 2016 - 21:23:14 EST

On Tue, Aug 16, 2016 at 03:35:27PM +0900, Chanwoo Choi wrote:
> This patch adds the Device Tree source for Exynos5433-based Samsung TM2 board.
> This board fully support the all things for mobile target.
>
> This patch supports the following devices:
> 1. basic SoC
> - Initial booting for Samsung Exynos5433 SoC
> - DRAM LPDDR3 (3GB)
> - eMMC (32GB)
> - ARM architecture timer
>
> 2. power management devices
> - Sasmung S2MPS13 PMIC for the power supply
> - CPUFREQ for big.LITTLE cores
> - TMU for big.LITTLE cores and GPU
> - ADC with thermistor to measure the temperature of AP/Battery/Charger
> - Maxim MAX77843 Interface PMIC (MUIC/Fuel-gauge/Charger/Haptic/LED/Regulator)
>
> 3. sound devices
> - I2S for sound bus
> - LPASS for sound power control
> - Wolfson WM5110 for sound codec
> - Maxim MAX98504 for speaker amplifier
> - TM2 ASoC Machine device driver node
>
> 3. display devices
> - DECON, DSI and MIC for the panel output
>
> 4. usb devices
> - USB 3.0 DRD (Dual Role Device)
> - USB 3.0 Host controller
>
> 5. storage devices
> - MSHC (obile Storae Host Controller) for eMMC device
>
> 6. misc devices
> - gpio-keys (power, volume up/down, home key)
> - PWM (Pulse Width Modulation Timer)
>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
> Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
> Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx>
> Signed-off-by: Jonghwa Lee <jonghwa3.lee@xxxxxxxxxxx>
> Signed-off-by: Beomho Seo <beomho.seo@xxxxxxxxxxx>
> Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>
> Signed-off-by: Hyungwon Hwang <human.hwang@xxxxxxxxxxx>
> Signed-off-by: Inha Song <ideal.song@xxxxxxxxxxx>
> Signed-off-by: Ingi kim <ingi2.kim@xxxxxxxxxxx>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> ---
> .../bindings/arm/samsung/samsung-boards.txt | 1 +
> arch/arm64/boot/dts/exynos/Makefile | 5 +-
> arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 1003 ++++++++++++++++++++
> 3 files changed, 1008 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> index 0ea7f14ef294..c704b4bf6137 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> @@ -15,6 +15,7 @@ Required root node properties:
> - "samsung,xyref5260" - for Exynos5260-based Samsung board.
> - "samsung,smdk5410" - for Exynos5410-based Samsung SMDK5410 eval board.
> - "samsung,smdk5420" - for Exynos5420-based Samsung SMDK5420 eval board.
> + - "samsung,tm2" - for Exynos5333-based Samsung TM2 board.
> - "samsung,sd5v1" - for Exynos5440-based Samsung board.
> - "samsung,ssdk5440" - for Exynos5440-based Samsung board.
>
> diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
> index 50c9b9383cfa..7ddea53769a7 100644
> --- a/arch/arm64/boot/dts/exynos/Makefile
> +++ b/arch/arm64/boot/dts/exynos/Makefile
> @@ -1,4 +1,7 @@
> -dtb-$(CONFIG_ARCH_EXYNOS) += exynos7-espresso.dtb
> +dtb-$(CONFIG_ARCH_EXYNOS) += \
> + exynos5433-tm2.dtb \
> + exynos5433-tm2e.dtb \
> + exynos7-espresso.dtb
>
> always := $(dtb-y)
> subdir-y := $(dts-dirs)
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> new file mode 100644
> index 000000000000..3e497b0d0015
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> @@ -0,0 +1,1003 @@
> +/*
> + * SAMSUNG Exynos5433 TM2 board device tree source
> + *
> + * Copyright (c) 2016 Samsung Electronics Co., Ltd.
> + *
> + * Device tree source file for Samsung's TM2 board which is based on
> + * Samsung Exynos5433 SoC.
> + *
> + * 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
> + * published by the Free Software Foundation.
> + */
> +
> +/dts-v1/;
> +#include "exynos5433.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + model = "Samsung TM2 board";
> + compatible = "samsung,exynos5433-tm2", "samsung,exynos5433";
> +
> + aliases {
> + i2c0 = &hsi2c_0;
> + i2c1 = &hsi2c_1;
> + i2c2 = &hsi2c_2;
> + i2c3 = &hsi2c_3;
> + i2c4 = &hsi2c_4;
> + i2c5 = &hsi2c_5;
> + i2c6 = &hsi2c_6;
> + i2c7 = &hsi2c_7;
> + i2c8 = &hsi2c_8;
> + i2c9 = &hsi2c_9;
> + i2c10 = &hsi2c_10;
> + i2c11 = &hsi2c_11;
> + mshc0 = &mshc_0;
> + mshc1 = &mshc_1;
> + mshc2 = &mshc_2;
> + pinctrl0 = &pinctrl_alive;
> + pinctrl1 = &pinctrl_aud;
> + pinctrl2 = &pinctrl_cpif;
> + pinctrl3 = &pinctrl_ese;
> + pinctrl4 = &pinctrl_finger;
> + pinctrl5 = &pinctrl_fsys;
> + pinctrl6 = &pinctrl_imem;
> + pinctrl7 = &pinctrl_nfc;
> + pinctrl8 = &pinctrl_peric;
> + pinctrl9 = &pinctrl_touch;
> + serial0 = &serial_0;
> + serial1 = &serial_1;
> + serial2 = &serial_2;
> + serial3 = &serial_3;
> + spi0 = &spi_0;
> + spi1 = &spi_1;
> + spi2 = &spi_2;
> + spi3 = &spi_3;
> + spi4 = &spi_4;
> + usbdrdphy0 = &usbdrd30_phy;

Please drop all these aliases except for serial.

> + };
> +
> + chosen {
> + stdout-path = &serial_1;
> + };
> +
> + memory@20000000 {
> + device_type = "memory";
> + reg = <0x0 0x20000000 0x0 0xc0000000>;
> + };
> +
> + gpio_keys {

Use -, not _.
> + compatible = "gpio-keys";
> +
> + power_key {

ditto...

> + gpios = <&gpa2 7 1>;
> + linux,code = <KEY_POWER>;
> + label = "power key";
> + debounce-interval = <10>;
> + gpio-key,wakeup;

This is legacy. Use the common binding.

> + };
> +
> + volume_up_key {
> + gpios = <&gpa2 0 1>;
> + linux,code = <KEY_VOLUMEUP>;
> + label = "volume-up key";
> + debounce-interval = <10>;
> + };
> +
> + volume_down_key {
> + gpios = <&gpa2 1 1>;
> + linux,code = <KEY_VOLUMEDOWN>;
> + label = "volume-down key";
> + debounce-interval = <10>;
> + };
> +
> + homepage_key {
> + gpios = <&gpa0 3 1>;
> + linux,code = <KEY_MENU>;
> + label = "homepage key";
> + debounce-interval = <10>;
> + };
> + };
> +
> + i2c_max98504: i2c-gpio-0 {
> + compatible = "i2c-gpio";
> + gpios = <&gpd0 1 GPIO_ACTIVE_HIGH /* SPK_AMP_SDA */
> + &gpd0 0 GPIO_ACTIVE_HIGH /* SPK_AMP_SCL */ >;
> + i2c-gpio,delay-us = <2>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
> +
> + max98504: max98504@31 {
> + compatible = "maxim,max98504";
> + reg = <0x31>;
> + maxim,rx-path = <1>;
> + maxim,tx-path = <1>;
> + maxim,tx-channel-mask = <3>;
> + maxim,tx-channel-source = <2>;
> + };
> + };
> +
> + sound {
> + compatible = "samsung,tm2-audio";
> + audio-codec = <&wm5110>;
> + i2s-controller = <&i2s0>;
> + audio-amplifier = <&max98504>;
> + mic-bias-gpios = <&gpr3 2 0>;
> + model = "wm5110";
> + samsung,audio-routing =
> + /* Headphone */
> + "HP", "HPOUT1L",
> + "HP", "HPOUT1R",
> +
> + /* Speaker */
> + "SPK", "SPKOUT",
> + "SPKOUT", "HPOUT2L",
> + "SPKOUT", "HPOUT2R",
> +
> + /* Receiver */
> + "RCV", "HPOUT3L",
> + "RCV", "HPOUT3R";
> + status = "okay";
> + };
> +};
> +
> +&adc {
> + vdd-supply = <&ldo3_reg>;
> + status = "okay";
> +
> + thermistor-ap {
> + compatible = "ntc,ncp03wf104";
> + pullup-uv = <1800000>;
> + pullup-ohm = <100000>;
> + pulldown-ohm = <0>;
> + io-channels = <&adc 0>;
> + };
> +
> + thermistor_battery: thermistor-battery {
> + compatible = "ntc,ncp03wf104";
> + pullup-uv = <1800000>;
> + pullup-ohm = <100000>;
> + pulldown-ohm = <0>;
> + io-channels = <&adc 1>;
> + #thermal-sensor-cells = <0>;
> + };
> +
> + thermistor-charger {
> + compatible = "ntc,ncp03wf104";
> + pullup-uv = <1800000>;
> + pullup-ohm = <100000>;
> + pulldown-ohm = <0>;
> + io-channels = <&adc 2>;
> + };
> +};
> +
> +&cpu0 {
> + cpu-supply = <&buck3_reg>;
> +};
> +
> +&cpu4 {
> + cpu-supply = <&buck2_reg>;
> +};
> +
> +&decon {
> + status = "okay";
> + iommu-reserved-mapping = <0x20000000 0x20000000 0xc0000000>;
> +
> + i80-if-timings {
> + };
> +};
> +
> +&dsi {
> + status = "okay";
> + vddcore-supply = <&ldo6_reg>;
> + vddio-supply = <&ldo7_reg>;
> + samsung,pll-clock-frequency = <24000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&te_irq>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <1>;
> +
> + dsi_out: endpoint {
> + samsung,burst-clock-frequency = <512000000>;
> + samsung,esc-clock-frequency = <16000000>;
> + };
> + };
> + };
> +};
> +
> +&hsi2c_0 {
> + status = "okay";
> + clock-frequency = <2500000>;
> +
> + s2mps13_pmic@66 {

Use '-'

> + compatible = "samsung,s2mps13-pmic";
> + interrupt-parent = <&gpa0>;
> + interrupts = <7 0>;
> + reg = <0x66>;
> + wakeup;

Use the common binding.

> + samsung,s2mps11-wrstbi-ground;
> +
> + s2mps13_osc: clocks {
> + compatible = "samsung,s2mps13-clk";
> + #clock-cells = <1>;
> + clock-output-names = "s2mps13_ap", "s2mps13_cp",
> + "s2mps13_bt";
> + };
> +
> + regulators {
> + ldo1_reg: LDO1 {
> + regulator-name = "VDD_ALIVE_0.9V_AP";
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <900000>;
> + regulator-always-on;
> + };
> +
> + ldo2_reg: LDO2 {
> + regulator-name = "VDDQ_MMC2_2.8V_AP";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo3_reg: LDO3 {
> + regulator-name = "VDD1_E_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo4_reg: LDO4 {
> + regulator-name = "VDD10_MIF_PLL_1.0V_AP";
> + regulator-min-microvolt = <1300000>;
> + regulator-max-microvolt = <1300000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo5_reg: LDO5 {
> + regulator-name = "VDD10_DPLL_1.0V_AP";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo6_reg: LDO6 {
> + regulator-name = "VDD10_MIPI2L_1.0V_AP";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo7_reg: LDO7 {
> + regulator-name = "VDD18_MIPI2L_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo8_reg: LDO8 {
> + regulator-name = "VDD18_LLI_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo9_reg: LDO9 {
> + regulator-name = "VDD18_ABB_ETC_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo10_reg: LDO10 {
> + regulator-name = "VDD33_USB30_3.0V_AP";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo11_reg: LDO11 {
> + regulator-name = "VDD_INT_M_1.0V_AP";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo12_reg: LDO12 {
> + regulator-name = "VDD_KFC_M_1.1V_AP";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + };
> +
> + ldo13_reg: LDO13 {
> + regulator-name = "VDD_G3D_M_0.95V_AP";
> + regulator-min-microvolt = <950000>;
> + regulator-max-microvolt = <950000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo14_reg: LDO14 {
> + regulator-name = "VDDQ_M1_LDO_1.2V_AP";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo15_reg: LDO15 {
> + regulator-name = "VDDQ_M2_LDO_1.2V_AP";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + ldo16_reg: LDO16 {
> + regulator-name = "VDDQ_EFUSE";
> + regulator-min-microvolt = <1400000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-always-on;
> + };
> +
> + ldo17_reg: LDO17 {
> + regulator-name = "V_TFLASH_2.8V_AP";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + };
> +
> + ldo18_reg: LDO18 {
> + regulator-name = "V_CODEC_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo19_reg: LDO19 {
> + regulator-name = "VDDA_1.8V_COMP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo20_reg: LDO20 {
> + regulator-name = "VCC_2.8V_AP";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + regulator-always-on;
> + };
> +
> + ldo21_reg: LDO21 {
> + regulator-name = "VT_CAM_1.8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + ldo22_reg: LDO22 {
> + regulator-name = "CAM_IO_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + ldo23_reg: LDO23 {
> + regulator-name = "CAM_SEN_CORE_1.2V_AP";
> + regulator-min-microvolt = <1050000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + ldo24_reg: LDO24 {
> + regulator-name = "VT_CAM_1.2V";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + ldo25_reg: LDO25 {
> + regulator-name = "CAM_SEN_A2.8V_AP";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + };
> +
> + ldo26_reg: LDO26 {
> + regulator-name = "CAM_AF_2.8V_AP";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + };
> +
> + ldo27_reg: LDO27 {
> + regulator-name = "VCC_3.0V_LCD_AP";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-always-on;
> + };
> +
> + ldo28_reg: LDO28 {
> + regulator-name = "VCC_1.8V_LCD_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo29_reg: LDO29 {
> + regulator-name = "VT_CAM_2.8V";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-always-on;
> + };
> +
> + ldo30_reg: LDO30 {
> + regulator-name = "TSP_AVDD_3.3V_AP";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + ldo31_reg: LDO31 {
> + regulator-name = "TSP_VDD_1.85V_AP";
> + regulator-min-microvolt = <1850000>;
> + regulator-max-microvolt = <1850000>;
> + regulator-boot-on;
> + };
> +
> + ldo32_reg: LDO32 {
> + regulator-name = "VTOUCH_1.8V_AP";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + };
> +
> + ldo33_reg: LDO33 {
> + regulator-name = "VTOUCH_LED_3.3V";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-ramp-delay = <12500>;
> + };
> +
> + ldo34_reg: LDO34 {
> + regulator-name = "VCC_1.8V_MHL_AP";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <2100000>;
> + };
> +
> + ldo35_reg: LDO35 {
> + regulator-name = "OIS_VM_2.8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2800000>;
> + };
> +
> + ldo36_reg: LDO36 {
> + regulator-name = "VSIL_1.0V";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + };
> +
> + ldo37_reg: LDO37 {
> + regulator-name = "VF_1.8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo38_reg: LDO38 {
> + regulator-name = "VCC_3.0V_MOTOR_AP";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + };
> +
> + ldo39_reg: LDO39 {
> + regulator-name = "V_HRM_1.8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + ldo40_reg: LDO40 {
> + regulator-name = "V_HRM_3.3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + buck1_reg: BUCK1 {
> + regulator-name = "VDD_MIF_0.9V_AP";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + buck2_reg: BUCK2 {
> + regulator-name = "VDD_EGL_1.0V_AP";
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <1300000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + buck3_reg: BUCK3 {
> + regulator-name = "VDD_KFC_1.0V_AP";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + buck4_reg: BUCK4 {
> + regulator-name = "VDD_INT_0.95V_AP";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + buck5_reg: BUCK5 {
> + regulator-name = "VDD_DISP_CAM0_0.9V_AP";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + buck6_reg: BUCK6 {
> + regulator-name = "VDD_G3D_0.9V_AP";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + buck7_reg: BUCK7 {
> + regulator-name = "VDD_MEM1_1.2V_AP";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + };
> +
> + buck8_reg: BUCK8 {
> + regulator-name = "VDD_LLDO_1.35V_AP";
> + regulator-min-microvolt = <1350000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + buck9_reg: BUCK9 {
> + regulator-name = "VDD_MLDO_2.0V_AP";
> + regulator-min-microvolt = <1350000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + buck10_reg: BUCK10 {
> + regulator-name = "vdd_mem2";
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&hsi2c_8 {
> + status = "okay";
> +
> + max77843@66 {
> + compatible = "samsung,max77843";
> + interrupt-parent = <&gpa1>;
> + interrupts = <5 2>;
> + reg = <0x66>;
> + wakeup;

Use common binding.

> +
> + muic: max77843-muic {
> + compatible = "maxim,max77843-muic";
> + };