Re: [PATCH v2 2/2] arm64: dts: mediatek: add mt8173 elm and hana board

[Enric Balletbo i Serra <enric.balletbo@collabora.com>]

Hi Hsin-Yi,

Apart from the maintainer comments, a few more comments ...

cc'ing Matthias and Doug who I know played a bit with the pwm-backlight for the
uprev of the veyron devices, and you might be interested in his feedback in general.

On 10/1/20 8:37, Hsin-Yi Wang wrote:
> Elm is Acer Chromebook R13. Hana is Lenovo Chromebook. Both uses mt8173
> SoC.
> 
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> ---
> Changes in v2:
> - remove downstream nodes and unused nodes
> - use GPIO_ACTIVE_LOW for ps8640 gpios
> - move trackpad to hana
> ---
>  arch/arm64/boot/dts/mediatek/Makefile         |    3 +
>  .../dts/mediatek/mt8173-elm-hana-rev7.dts     |   27 +
>  .../boot/dts/mediatek/mt8173-elm-hana.dts     |   16 +
>  .../boot/dts/mediatek/mt8173-elm-hana.dtsi    |   60 +
>  arch/arm64/boot/dts/mediatek/mt8173-elm.dts   |   15 +
>  arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi  | 1040 +++++++++++++++++
>  6 files changed, 1161 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8173-elm-hana-rev7.dts
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dts
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8173-elm.dts
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> 
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index 458bbc422a94..b45a45a565a1 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -6,5 +6,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-bananapi-bpi-r64.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana-rev7.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-evb.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana-rev7.dts b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana-rev7.dts
> new file mode 100644
> index 000000000000..a3616bc3d859
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana-rev7.dts
> @@ -0,0 +1,27 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright 2019 MediaTek Inc.
> + */
> +
> +/dts-v1/;
> +#include "mt8173-elm-hana.dtsi"
> +
> +/ {
> +	model = "Mediatek Hana rev7 board";
> +	compatible = "google,hana-rev7", "mediatek,mt8173";
> +};
> +
> +&cpu_thermal {
> +	trips {
> +		cpu_crit: cpu_crit@0 {
> +			temperature = <100000>;
> +			type = "critical";
> +		};
> +	};
> +};
> +
> +&gpio_keys {
> +	/delete-node/tablet_mode;
> +	/delete-node/volume_down;
> +	/delete-node/volume_up;
> +};
> \ No newline at end of file
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dts b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dts
> new file mode 100644
> index 000000000000..8cbcc75192e3
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dts
> @@ -0,0 +1,16 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright 2016 MediaTek Inc.
> + */
> +
> +/dts-v1/;
> +#include "mt8173-elm-hana.dtsi"
> +
> +/ {
> +	model = "Mediatek Hana rev0 board";
> +	compatible = "google,hana-rev6",
> +			"google,hana-rev5", "google,hana-rev4",
> +			"google,hana-rev3", "google,hana-rev2",
> +			"google,hana-rev1", "google,hana-rev0",
> +			"google,hana", "mediatek,mt8173";

nit: Usually we try to keep all aligned


> +};
> \ No newline at end of file
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
> new file mode 100644
> index 000000000000..35e12b290947
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
> @@ -0,0 +1,60 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright 2016 MediaTek Inc.
> + */
> +
> +#include "mt8173-elm.dtsi"
> +
> +&i2c0 {
> +	clock-frequency = <200000>;
> +};
> +
> +&i2c3 {
> +	touchscreen2: touchscreen@34 {
> +		compatible = "melfas,mip4_ts";
> +		reg = <0x34>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	touchscreen3: touchscreen@20 {
> +		compatible = "hid-over-i2c";
> +		reg = <0x20>;
> +		hid-descr-addr = <0x0020>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
> +	};


That still looks weird to me. I don't have the touchscreen working yet so I can
really comment though.

> +};
> +
> +&i2c4 {
> +	trackpad2: trackpad@2c {
> +		compatible = "hid-over-i2c";
> +		interrupt-parent = <&pio>;
> +		interrupts = <117 IRQ_TYPE_LEVEL_LOW>;
> +		reg = <0x2c>;
> +		hid-descr-addr = <0x0020>;
> +		wakeup-source;

The same for trackpads, still not working for me. There is no different
compatible to distinguish between the boards that have one or the other trackpad?

> +	};
> +};
> +
> +&mmc1 {
> +	wp-gpios = <&pio 42 GPIO_ACTIVE_HIGH>;
> +};
> +
> +&pio {
> +	hdmi_mux_pins: hdmi_mux_pins {
> +		pins2 {
> +			pinmux = <MT8173_PIN_98_URTS1__FUNC_GPIO98>;
> +			bias-pull-up;
> +			output-high;
> +		};
> +	};
> +
> +	mmc1_pins_default: mmc1default {
> +		pins_wp {
> +			pinmux = <MT8173_PIN_42_DSI_TE__FUNC_GPIO42>;
> +			input-enable;
> +			bias-pull-up;
> +		};
> +	};
> +};
> \ No newline at end of file
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dts b/arch/arm64/boot/dts/mediatek/mt8173-elm.dts
> new file mode 100644
> index 000000000000..e5da2355760e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dts
> @@ -0,0 +1,15 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright 2016 MediaTek Inc.
> + */
> +
> +/dts-v1/;
> +#include "mt8173-elm.dtsi"
> +
> +/ {
> +	model = "Mediatek Elm board";
> +	compatible = "google,elm-rev8", "google,elm-rev7", "google,elm-rev6",
> +			"google,elm-rev5", "google,elm-rev4", "google,elm-rev3",
> +			"google,elm-rev2", "google,elm-rev1",
> +			"google,elm", "mediatek,mt8173";

nit: keep it aligned.

> +};
> \ No newline at end of file
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> new file mode 100644
> index 000000000000..2ac738bebe04
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> @@ -0,0 +1,1040 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright 2016 MediaTek Inc.
> + */
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include "mt8173.dtsi"
> +
> +/ {
> +	aliases {
> +		serial0 = &uart0;
> +		serial1 = &uart1;
> +		serial2 = &uart2;
> +		serial3 = &uart3;
> +	};

I think this should be in mt8173.dtsi?

> +
> +	memory@40000000 {
> +		device_type = "memory";
> +		reg = <0 0x40000000 0 0x80000000>;
> +	};
> +
> +	backlight_lcd: backlight_lcd {

nit: Not sure if you need to change or not, but this node is usually called
backlight: backlight without the _lcd. Note that this imply a userspace change
but /sys/class/backlight/backlight is more aligned with other boards (I guess)
when you have only one backlight. See for example:

 git grep backlight arch/arm64/boot/*

> +		compatible = "pwm-backlight";
> +		pwms = <&pwm0 0 1000000>;
> +		brightness-levels = <
> +			  0  16  32  48  64  80  96 112
> +			128 144 160 176 192 208 224 240
> +			255
> +		>;
> +		default-brightness-level = <9>;

The reason you see the display too dark is because userspace sets and remembers
the default value you have using the above configuration which is only 16
levels. So after removing the two above properties you should set a new
brightness from userspace.

AFAIK 16 levels is not enough to have fancy backlight effects on Chrome OS
userspace, at least is not enough for Rockchip devices so I suppose is the same
for Mediatek.

You have to options here.

A) Remove brightness-levels and default-brightness-level. This will end with a
non-linear brightness curve for the backlight up to 4095 levels.

# cat max_brightness
4095

B) Use the num-interpolated-steps and default-brightness-level properties. This
will end with a linear curve brightness. Similar to what is done for veyron
devices but in this case with more levels because the PWM to control the
backlight is 16-bits instead of 8-bits for veyron devices.

*
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/rk3288-veyron-edp.dtsi#n42

My guess is that you're interested on option B here to be coherent with other
Chromebooks.

> +		power-supply = <&bl_fixed_reg>;
> +		enable-gpios = <&pio 95 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&disp_pwm0_pins>;
> +		status = "okay";
> +	};
> +
> +	bl_fixed_reg: fixedregulator@2 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "bl_fixed";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		startup-delay-us = <1000>;
> +		enable-active-high;
> +		gpio = <&pio 32 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&bl_fixed_pins>;
> +	};
> +
> +	chosen {
> +		stdout-path = &uart0;

You probably want stdout-path = "serial0:115200n8";

That way you'll get serial without needing to specify the console in the kernel
command line. Otherwise doesn't work because baudrate is missing.

> +	};
> +
> +	gpio_keys: gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&gpio_keys_pins>;
> +
> +		lid {
> +			label = "Lid";
> +			gpios = <&pio 69 GPIO_ACTIVE_LOW>;
> +			linux,code = <0>; /* SW_LID */
> +			linux,input-type = <5>; /* EV_SW */
> +			gpio-key,wakeup;
> +		};
> +
> +		power {
> +			label = "Power";
> +			gpios = <&pio 14 GPIO_ACTIVE_HIGH>;
> +			linux,code = <KEY_POWER>;
> +			debounce-interval = <30>;
> +			gpio-key,wakeup;
> +		};
> +
> +		tablet_mode {
> +			label = "Tablet_mode";
> +			gpios = <&pio 121 GPIO_ACTIVE_HIGH>;
> +			linux,code = <1>; /* SW_TABLET_MODE */
> +			linux,input-type = <5>; /* EV_SW */
> +			gpio-key,wakeup;
> +		};
> +
> +		volume_down {
> +			label = "Volume_down";
> +			gpios = <&pio 123 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEDOWN>;
> +		};
> +
> +		volume_up {
> +			label = "Volume_up";
> +			gpios = <&pio 124 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEUP>;
> +		};
> +	};
> +
> +	panel: panel {
> +		compatible = "lg,lp120up1";
> +		power-supply = <&panel_fixed_3v3>;
> +		ddc-i2c-bus = <&i2c0>;
> +		backlight = <&backlight_lcd>;
> +
> +		port {
> +			panel_in: endpoint {
> +				remote-endpoint = <&ps8640_out>;
> +			};
> +		};
> +	};
> +
> +	panel_fixed_3v3: regulator@1 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "PANEL_3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		enable-active-high;
> +		gpio = <&pio 41 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&panel_fixed_pins>;
> +	};
> +
> +	ps8640_fixed_1v2: regulator@2 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "PS8640_1V2";
> +		regulator-min-microvolt = <1200000>;
> +		regulator-max-microvolt = <1200000>;
> +		regulator-enable-ramp-delay = <2000>;
> +		enable-active-high;
> +		regulator-boot-on;
> +		gpio = <&pio 30 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&ps8640_fixed_pins>;
> +	};
> +
> +	sdio_fixed_3v3: fixedregulator@0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&pio 85 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	sound: sound {
> +		compatible = "mediatek,mt8173-rt5650";
> +		mediatek,audio-codec = <&rt5650 &hdmi0>;
> +		mediatek,platform = <&afe>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&aud_i2s2>;
> +
> +		mediatek,mclk = <1>;
> +		codec-capture {
> +			sound-dai = <&rt5650 1>;
> +		};
> +	};
> +
> +	hdmicon: connector {
> +		compatible = "hdmi-connector";
> +		label = "hdmi";
> +		type = "a";
> +		ddc-i2c-bus = <&hdmiddc0>;
> +
> +		port {
> +			hdmi_connector_in: endpoint {
> +				remote-endpoint = <&hdmi0_out>;
> +			};
> +		};
> +	};
> +};
> +
> +&cec {
> +	status = "okay";
> +};
> +
> +&cpu0 {
> +	proc-supply = <&mt6397_vpca15_reg>;
> +};
> +
> +&cpu1 {
> +	proc-supply = <&mt6397_vpca15_reg>;
> +};
> +
> +&cpu2 {
> +	proc-supply = <&da9211_vcpu_reg>;
> +	sram-supply = <&mt6397_vsramca7_reg>;
> +};
> +
> +&cpu3 {
> +	proc-supply = <&da9211_vcpu_reg>;
> +	sram-supply = <&mt6397_vsramca7_reg>;
> +};
> +
> +&cpu_thermal {
> +	sustainable-power = <4500>; /* milliwatts */
> +	trips {
> +		threshold: trip-point@0 {
> +			temperature = <60000>;
> +		};
> +
> +		target: trip-point@1 {
> +			temperature = <65000>;
> +		};
> +	};
> +};
> +
> +&dsi0 {
> +	status = "okay";
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		port@1 {
> +			dsi0_out: endpoint {
> +				remote-endpoint = <&ps8640_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&dpi0 {
> +	status = "okay";
> +};
> +
> +&hdmi0 {
> +	status = "okay";
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +
> +			hdmi0_out: endpoint {
> +				remote-endpoint = <&hdmi_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&hdmi_phy {
> +	status = "okay";
> +	mediatek,ibias = <0xc>;
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +
> +	rt5650: audio-codec@1a {
> +		compatible = "realtek,rt5650";
> +		reg = <0x1a>;
> +		avdd-supply = <&mt6397_vgp1_reg>;
> +		cpvdd-supply = <&mt6397_vcama_reg>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <3 IRQ_TYPE_EDGE_BOTH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&rt5650_irq>;
> +		#sound-dai-cells = <1>;
> +		realtek,dmic1-data-pin = <2>;
> +		realtek,jd-mode = <2>;
> +	};
> +
> +	ps8640: edp-bridge@8 {
> +		compatible = "parade,ps8640";
> +		reg = <0x8>;
> +		powerdown-gpios = <&pio 127 GPIO_ACTIVE_LOW>;
> +		reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&ps8640_pins>;
> +		vdd12-supply = <&ps8640_fixed_1v2>;
> +		vdd33-supply = <&mt6397_vgp2_reg>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				ps8640_in: endpoint {
> +					remote-endpoint = <&dsi0_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +
> +				ps8640_out: endpoint {
> +					remote-endpoint = <&panel_in>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&i2c1 {
> +	clock-frequency = <1500000>;
> +	status = "okay";
> +
> +	da9211: da9211@68 {
> +		compatible = "dlg,da9211";
> +		reg = <0x68>;
> +
> +		regulators {
> +			da9211_vcpu_reg: BUCKA {
> +				regulator-name = "VBUCKA";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1310000>;
> +				regulator-min-microamp  = <2000000>;
> +				regulator-max-microamp  = <4400000>;
> +				regulator-ramp-delay = <10000>;
> +				regulator-always-on;
> +				regulator-allowed-modes = <0 1>;
> +			};
> +
> +			da9211_vgpu_reg: BUCKB {
> +				regulator-name = "VBUCKB";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1310000>;
> +				regulator-min-microamp  = <2000000>;
> +				regulator-max-microamp  = <3000000>;
> +				regulator-ramp-delay = <10000>;
> +			};
> +		};
> +	};
> +};
> +
> +&i2c2 {
> +	status = "okay";
> +
> +	tpm: tpm@20 {
> +		compatible = "infineon,slb9645tt";
> +		reg = <0x20>;
> +		powered-while-suspended;
> +	};
> +};
> +
> +&i2c3 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	touchscreen: touchscreen@10 {
> +		compatible = "elan,ekth3500";
> +		reg = <0x10>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +};
> +
> +&i2c4 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&trackpad_irq>;
> +
> +	trackpad: trackpad@15 {
> +		compatible = "elan,ekth3000";
> +		interrupt-parent = <&pio>;
> +		interrupts = <117 IRQ_TYPE_LEVEL_LOW>;
> +		reg = <0x15>;
> +		vcc-supply = <&mt6397_vgp6_reg>;
> +		wakeup-source;
> +	};
> +};
> +
> +&mipi_tx0 {
> +	status = "okay";
> +};
> +
> +&mmc0 {
> +	status = "okay";
> +	pinctrl-names = "default", "state_uhs";
> +	pinctrl-0 = <&mmc0_pins_default>;
> +	pinctrl-1 = <&mmc0_pins_uhs>;
> +	bus-width = <8>;
> +	max-frequency = <200000000>;
> +	cap-mmc-highspeed;
> +	mmc-hs200-1_8v;
> +	mmc-hs400-1_8v;
> +	cap-mmc-hw-reset;
> +	hs400-ds-delay = <0x14015>;
> +	mediatek,hs200-cmd-int-delay=<30>;
> +	mediatek,hs400-cmd-int-delay=<14>;
> +	mediatek,hs400-cmd-resp-sel-rising;
> +	vmmc-supply = <&mt6397_vemc_3v3_reg>;
> +	vqmmc-supply = <&mt6397_vio18_reg>;
> +	assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>;
> +	assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>;
> +	non-removable;
> +};
> +
> +&mmc1 {
> +	status = "okay";
> +	pinctrl-names = "default", "state_uhs";
> +	pinctrl-0 = <&mmc1_pins_default>;
> +	pinctrl-1 = <&mmc1_pins_uhs>;
> +	bus-width = <4>;
> +	max-frequency = <200000000>;
> +	cap-sd-highspeed;
> +	sd-uhs-sdr50;
> +	sd-uhs-sdr104;
> +	cd-gpios = <&pio 1 GPIO_ACTIVE_HIGH>;

Is this really a GPIO_ACTIVE_HIGH?

I still have problems with this, I need to comment this line and add
non-removable as a workaround in order to boot from the SD-card.

I think that the problem is that is GPIO_ACTIVE_LOW (it works for me, but I
don't have the schematics to confirm)


> +	vmmc-supply = <&mt6397_vmch_reg>;
> +	vqmmc-supply = <&mt6397_vmc_reg>;
> +};
> +
> +&mmc3 {
> +	status = "okay";
> +	pinctrl-names = "default", "state_uhs";
> +	pinctrl-0 = <&mmc3_pins_default>;
> +	pinctrl-1 = <&mmc3_pins_uhs>;
> +	bus-width = <4>;
> +	max-frequency = <200000000>;
> +	cap-sd-highspeed;
> +	sd-uhs-sdr50;
> +	sd-uhs-sdr104;
> +	sdr104-clk-delay = <5>;
> +	keep-power-in-suspend;
> +	enable-sdio-wakeup;
> +	cap-sdio-irq;
> +	vmmc-supply = <&sdio_fixed_3v3>;
> +	vqmmc-supply = <&mt6397_vgp3_reg>;
> +	non-removable;
> +	cap-power-off-card;
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	btmrvl: btmrvl@2 {
> +		compatible = "marvell,sd8897-bt";
> +		reg = <2>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <119 IRQ_TYPE_LEVEL_LOW>;
> +		marvell,wakeup-pin = /bits/ 16 <0x0d>;
> +		marvell,wakeup-gap-ms = /bits/ 16 <0x64>;
> +	};
> +
> +	mwifiex: mwifiex@1 {
> +		compatible = "marvell,sd8897";
> +		reg = <1>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <38 IRQ_TYPE_LEVEL_LOW>;
> +		marvell,wakeup-pin = <3>;
> +		marvell,caldata_ed_mac = /bits/ 8 <
> +0x01 0x00 0x07 0x00 0x14 0x00 0x01 0x00 0x00 0x00 0x12 0x00 0x02 0x00 0x01 0x00
> +0x01 0x00 0x00 0x00 0x12 0x00 0x02 0x00 0x01 0x00
> +		>;
> +	};
> +};
> +
> +&nor_flash {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&nor_gpio1_pins>;
> +	bus-width = <8>;
> +	max-frequency = <50000000>;
> +	non-removable;
> +	flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +	};
> +};
> +
> +&pio {
> +	aud_i2s2: aud_i2s2 {
> +		pins1 {
> +			pinmux = <MT8173_PIN_128_I2S0_LRCK__FUNC_I2S1_WS>,
> +				 <MT8173_PIN_129_I2S0_BCK__FUNC_I2S1_BCK>,
> +				 <MT8173_PIN_130_I2S0_MCK__FUNC_I2S1_MCK>,
> +				 <MT8173_PIN_131_I2S0_DATA0__FUNC_I2S1_DO_1>,
> +				 <MT8173_PIN_12_EINT12__FUNC_I2S2_WS>,
> +				 <MT8173_PIN_13_EINT13__FUNC_I2S2_BCK>,
> +				 <MT8173_PIN_132_I2S0_DATA1__FUNC_I2S2_DI_2>;
> +			bias-pull-down;
> +		};
> +	};
> +
> +	bl_fixed_pins: bl_fixed_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_32_UTXD2__FUNC_GPIO32>;
> +			output-low;
> +		};
> +	};
> +
> +	bt_wake_pins: bt_wake_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_119_KPROW0__FUNC_GPIO119>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	disp_pwm0_pins: disp_pwm0_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_87_DISP_PWM0__FUNC_DISP_PWM0>;
> +			output-low;
> +		};
> +	};
> +
> +	gpio_keys_pins: gpio_keys_pins {
> +		volume_pins {
> +			pinmux = <MT8173_PIN_123_KPCOL1__FUNC_GPIO123>,
> +				 <MT8173_PIN_124_KPCOL2__FUNC_GPIO124>;
> +			bias-pull-up;
> +		};
> +
> +		tablet_mode_pins {
> +			pinmux = <MT8173_PIN_121_KPROW2__FUNC_GPIO121>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	hdmi_mux_pins: hdmi_mux_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_36_DAISYNC__FUNC_GPIO36>;
> +		};
> +	};
> +
> +	mmc0_pins_default: mmc0default {
> +		pins_cmd_dat {
> +			pinmux = <MT8173_PIN_57_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
> +				 <MT8173_PIN_58_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
> +				 <MT8173_PIN_59_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
> +				 <MT8173_PIN_60_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
> +				 <MT8173_PIN_61_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
> +				 <MT8173_PIN_62_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
> +				 <MT8173_PIN_63_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
> +				 <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
> +				 <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
> +				bias-pull-up;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
> +				bias-pull-down;
> +		};
> +
> +		pins_rst {
> +			pinmux = <MT8173_PIN_68_MSDC0_RST___FUNC_MSDC0_RSTB>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	mmc1_pins_default: mmc1default {
> +		pins_cmd_dat {
> +			pinmux = <MT8173_PIN_73_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
> +				 <MT8173_PIN_74_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
> +				 <MT8173_PIN_75_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
> +				 <MT8173_PIN_76_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
> +				 <MT8173_PIN_78_MSDC1_CMD__FUNC_MSDC1_CMD>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_4mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_77_MSDC1_CLK__FUNC_MSDC1_CLK>;
> +			bias-pull-down;
> +			drive-strength = <MTK_DRIVE_4mA>;
> +		};
> +
> +		pins_insert {
> +			pinmux = <MT8173_PIN_1_EINT1__FUNC_GPIO1>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	mmc3_pins_default: mmc3default {
> +		pins_dat {
> +			pinmux = <MT8173_PIN_22_MSDC3_DAT0__FUNC_MSDC3_DAT0>,
> +				 <MT8173_PIN_23_MSDC3_DAT1__FUNC_MSDC3_DAT1>,
> +				 <MT8173_PIN_24_MSDC3_DAT2__FUNC_MSDC3_DAT2>,
> +				 <MT8173_PIN_25_MSDC3_DAT3__FUNC_MSDC3_DAT3>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +
> +		pins_cmd {
> +			pinmux = <MT8173_PIN_27_MSDC3_CMD__FUNC_MSDC3_CMD>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_26_MSDC3_CLK__FUNC_MSDC3_CLK>;
> +			bias-pull-down;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +		};
> +
> +		pins_pdn {
> +			pinmux = <MT8173_PIN_85_AUD_DAT_MOSI__FUNC_GPIO85>;
> +			output-low;
> +		};
> +	};
> +
> +	mmc0_pins_uhs: mmc0 {
> +		pins_cmd_dat {
> +			pinmux = <MT8173_PIN_57_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
> +				 <MT8173_PIN_58_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
> +				 <MT8173_PIN_59_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
> +				 <MT8173_PIN_60_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
> +				 <MT8173_PIN_61_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
> +				 <MT8173_PIN_62_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
> +				 <MT8173_PIN_63_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
> +				 <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
> +				 <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_6mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
> +			drive-strength = <MTK_DRIVE_6mA>;
> +			bias-pull-down = <MTK_PUPD_SET_R1R0_01>;
> +		};
> +
> +		pins_ds {
> +			pinmux = <MT8173_PIN_67_MSDC0_DSL__FUNC_MSDC0_DSL>;
> +			drive-strength = <MTK_DRIVE_10mA>;
> +			bias-pull-down = <MTK_PUPD_SET_R1R0_01>;
> +		};
> +
> +		pins_rst {
> +			pinmux = <MT8173_PIN_68_MSDC0_RST___FUNC_MSDC0_RSTB>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	mmc1_pins_uhs: mmc1 {
> +		pins_cmd_dat {
> +			pinmux = <MT8173_PIN_73_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
> +				 <MT8173_PIN_74_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
> +				 <MT8173_PIN_75_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
> +				 <MT8173_PIN_76_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
> +				 <MT8173_PIN_78_MSDC1_CMD__FUNC_MSDC1_CMD>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_6mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_77_MSDC1_CLK__FUNC_MSDC1_CLK>;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +	};
> +
> +	mmc3_pins_uhs: mmc3 {
> +		pins_dat {
> +			pinmux = <MT8173_PIN_22_MSDC3_DAT0__FUNC_MSDC3_DAT0>,
> +				 <MT8173_PIN_23_MSDC3_DAT1__FUNC_MSDC3_DAT1>,
> +				 <MT8173_PIN_24_MSDC3_DAT2__FUNC_MSDC3_DAT2>,
> +				 <MT8173_PIN_25_MSDC3_DAT3__FUNC_MSDC3_DAT3>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +
> +		pins_cmd {
> +			pinmux = <MT8173_PIN_27_MSDC3_CMD__FUNC_MSDC3_CMD>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_26_MSDC3_CLK__FUNC_MSDC3_CLK>;
> +			drive-strength = <MTK_DRIVE_8mA>;
> +			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
> +		};
> +	};
> +
> +	nor_gpio1_pins: nor {
> +		pins1 {
> +			pinmux = <MT8173_PIN_6_EINT6__FUNC_SFCS0>,
> +				 <MT8173_PIN_7_EINT7__FUNC_SFHOLD>,
> +				 <MT8173_PIN_8_EINT8__FUNC_SFIN>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_4mA>;
> +			bias-pull-up;
> +		};
> +
> +		pins2 {
> +			pinmux = <MT8173_PIN_5_EINT5__FUNC_SFOUT>;
> +			drive-strength = <MTK_DRIVE_4mA>;
> +			bias-pull-up;
> +		};
> +
> +		pins_clk {
> +			pinmux = <MT8173_PIN_9_EINT9__FUNC_SFCK>;
> +			input-enable;
> +			drive-strength = <MTK_DRIVE_4mA>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	panel_fixed_pins: panel_fixed_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_41_CMMCLK__FUNC_GPIO41>;
> +		};
> +	};
> +
> +	ps8640_pins: ps8640_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_92_PCM_CLK__FUNC_GPIO92>,
> +				 <MT8173_PIN_115_URTS0__FUNC_GPIO115>,
> +				 <MT8173_PIN_127_LCM_RST__FUNC_GPIO127>;
> +		};
> +	};
> +
> +	ps8640_fixed_pins: ps8640_fixed_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_30_URTS2__FUNC_GPIO30>;
> +		};
> +	};
> +
> +	rt5650_irq: rt5650_irq {
> +		pins1 {
> +			pinmux = <MT8173_PIN_3_EINT3__FUNC_GPIO3>;
> +			bias-pull-down;
> +		};
> +	};
> +
> +	spi_pins_a: spi1 {
> +		pins1 {
> +			pinmux = <MT8173_PIN_0_EINT0__FUNC_GPIO0>;
> +			bias-pull-up;
> +		};
> +
> +		pins_spi {
> +			pinmux = <MT8173_PIN_102_MSDC2_DAT2__FUNC_SPI_CK_1_>,
> +				 <MT8173_PIN_103_MSDC2_DAT3__FUNC_SPI_MI_1_>,
> +				 <MT8173_PIN_104_MSDC2_CLK__FUNC_SPI_MO_1_>,
> +				 <MT8173_PIN_105_MSDC2_CMD__FUNC_SPI_CS_1_>;
> +			bias-disable;
> +		};
> +	};
> +
> +	trackpad_irq: trackpad_irq {
> +		pins1 {
> +			pinmux = <MT8173_PIN_117_URXD3__FUNC_GPIO117>;
> +			input-enable;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	usb_pins: usb@0 {
> +		pins1 {
> +			pinmux = <MT8173_PIN_101_MSDC2_DAT1__FUNC_GPIO101>;
> +			output-high;
> +			bias-disable;
> +		};
> +	};
> +
> +	wifi_wake_pins: wifi_wake_pins {
> +		pins1 {
> +			pinmux = <MT8173_PIN_38_CONN_RST__FUNC_GPIO38>;
> +			bias-pull-up;
> +		};
> +	};
> +};
> +
> +&pwm0 {
> +	status = "okay";
> +};
> +
> +&pwrap {
> +	pmic: mt6397 {
> +		compatible = "mediatek,mt6397";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +
> +		mt6397rtc: mt6397rtc {
> +			compatible = "mediatek,mt6397-rtc";
> +		};
> +
> +		syscfg_pctl_pmic: syscfg_pctl_pmic@c000 {
> +			compatible = "mediatek,mt6397-pctl-pmic-syscfg",
> +				     "syscon";
> +			reg = <0 0x0000c000 0 0x0108>;
> +		};
> +
> +		pio6397: pinctrl@c000 {
> +			compatible = "mediatek,mt6397-pinctrl";
> +			pins-are-numbered;
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +		};
> +
> +		mt6397clock: mt6397clock {
> +			compatible = "mediatek,mt6397-clk";
> +			#clock-cells = <1>;
> +		};
> +
> +		mt6397regulator: mt6397regulator {
> +			compatible = "mediatek,mt6397-regulator";
> +
> +			mt6397_vpca15_reg: buck_vpca15 {
> +				regulator-compatible = "buck_vpca15";
> +				regulator-name = "vpca15";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-always-on;
> +				regulator-allowed-modes = <0 1>;
> +			};
> +
> +			mt6397_vpca7_reg: buck_vpca7 {
> +				regulator-compatible = "buck_vpca7";
> +				regulator-name = "vpca7";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-enable-ramp-delay = <115>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vsramca15_reg: buck_vsramca15 {
> +				regulator-compatible = "buck_vsramca15";
> +				regulator-name = "vsramca15";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vsramca7_reg: buck_vsramca7 {
> +				regulator-compatible = "buck_vsramca7";
> +				regulator-name = "vsramca7";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vcore_reg: buck_vcore {
> +				regulator-compatible = "buck_vcore";
> +				regulator-name = "vcore";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vgpu_reg: buck_vgpu {
> +				regulator-compatible = "buck_vgpu";
> +				regulator-name = "vgpu";
> +				regulator-min-microvolt = < 700000>;
> +				regulator-max-microvolt = <1350000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-enable-ramp-delay = <115>;
> +			};
> +
> +			mt6397_vdrm_reg: buck_vdrm {
> +				regulator-compatible = "buck_vdrm";
> +				regulator-name = "vdrm";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1400000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vio18_reg: buck_vio18 {
> +				regulator-compatible = "buck_vio18";
> +				regulator-name = "vio18";
> +				regulator-min-microvolt = <1620000>;
> +				regulator-max-microvolt = <1980000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vtcxo_reg: ldo_vtcxo {
> +				regulator-compatible = "ldo_vtcxo";
> +				regulator-name = "vtcxo";
> +				regulator-always-on;
> +			};
> +
> +			mt6397_va28_reg: ldo_va28 {
> +				regulator-compatible = "ldo_va28";
> +				regulator-name = "va28";
> +			};
> +
> +			mt6397_vcama_reg: ldo_vcama {
> +				regulator-compatible = "ldo_vcama";
> +				regulator-name = "vcama";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vio28_reg: ldo_vio28 {
> +				regulator-compatible = "ldo_vio28";
> +				regulator-name = "vio28";
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vusb_reg: ldo_vusb {
> +				regulator-compatible = "ldo_vusb";
> +				regulator-name = "vusb";
> +			};
> +
> +			mt6397_vmc_reg: ldo_vmc {
> +				regulator-compatible = "ldo_vmc";
> +				regulator-name = "vmc";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vmch_reg: ldo_vmch {
> +				regulator-compatible = "ldo_vmch";
> +				regulator-name = "vmch";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vemc_3v3_reg: ldo_vemc3v3 {
> +				regulator-compatible = "ldo_vemc3v3";
> +				regulator-name = "vemc_3v3";
> +				regulator-min-microvolt = <3000000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vgp1_reg: ldo_vgp1 {
> +				regulator-compatible = "ldo_vgp1";
> +				regulator-name = "vcamd";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-enable-ramp-delay = <240>;
> +			};
> +
> +			mt6397_vgp2_reg: ldo_vgp2 {
> +				regulator-compatible = "ldo_vgp2";
> +				regulator-name = "vcamio";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vgp3_reg: ldo_vgp3 {
> +				regulator-compatible = "ldo_vgp3";
> +				regulator-name = "vcamaf";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vgp4_reg: ldo_vgp4 {
> +				regulator-compatible = "ldo_vgp4";
> +				regulator-name = "vgp4";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vgp5_reg: ldo_vgp5 {
> +				regulator-compatible = "ldo_vgp5";
> +				regulator-name = "vgp5";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <3000000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +
> +			mt6397_vgp6_reg: ldo_vgp6 {
> +				regulator-compatible = "ldo_vgp6";
> +				regulator-name = "vgp6";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +				regulator-always-on;
> +			};
> +
> +			mt6397_vibr_reg: ldo_vibr {
> +				regulator-compatible = "ldo_vibr";
> +				regulator-name = "vibr";
> +				regulator-min-microvolt = <1300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-enable-ramp-delay = <218>;
> +			};
> +		};
> +	};
> +};
> +
> +&spi {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&spi_pins_a>;
> +	mediatek,pad-select = <1>;
> +	status = "okay";
> +	/* clients */
> +	cros_ec: ec@0 {
> +		compatible = "google,cros-ec-spi";
> +		reg = <0x0>;
> +		spi-max-frequency = <12000000>;
> +		interrupt-parent = <&pio>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +		google,cros-ec-spi-msg-delay = <500>;
> +
> +		i2c_tunnel: i2c-tunnel@0 {
> +			compatible = "google,cros-ec-i2c-tunnel";
> +			google,remote-bus = <0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			battery: sbs-battery@b {
> +				compatible = "sbs,sbs-battery";
> +				reg = <0xb>;
> +				sbs,i2c-retry-count = <2>;
> +				sbs,poll-retry-count = <1>;
> +			};
> +		};
> +	};
> +};
> +
> +&thermal {
> +	bank0-supply = <&mt6397_vpca15_reg>;
> +	bank1-supply = <&da9211_vcpu_reg>;
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> +
> +&ssusb {
> +	dr_mode = "host";
> +	wakeup-source;
> +	vusb33-supply = <&mt6397_vusb_reg>;
> +	status = "okay";
> +};
> +
> +&usb_host {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&usb_pins>;
> +	vusb33-supply = <&mt6397_vusb_reg>;
> +	status = "okay";
> +};
> +
> +#include "../../../../arm/boot/dts/cros-ec-keyboard.dtsi"
> \ No newline at end of file
> 

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