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[209.132.180.67]) by mx.google.com with ESMTP id e63si4926982ote.166.2020.01.09.10.53.36; Thu, 09 Jan 2020 10:53:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730792AbgAIPLR (ORCPT + 99 others); Thu, 9 Jan 2020 10:11:17 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:41914 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729497AbgAIPLQ (ORCPT ); Thu, 9 Jan 2020 10:11:16 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 3292C293619 Subject: Re: [PATCH 2/2] arm64: dts: mediatek: add mt8173 elm and hana board To: Hsin-Yi Wang , linux-arm-kernel@lists.infradead.org Cc: Rob Herring , Mark Rutland , Matthias Brugger , Mars Cheng , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Nicolas Boichat , Daniel Kurtz References: <20200109101042.201500-1-hsinyi@chromium.org> <20200109101042.201500-3-hsinyi@chromium.org> From: Enric Balletbo i Serra Message-ID: <5a2ebfb5-f0bd-bb42-0463-d2db74f7048d@collabora.com> Date: Thu, 9 Jan 2020 16:11:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <20200109101042.201500-3-hsinyi@chromium.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Hsin-Yi, Many thanks for sending the patch upstream, some comments below ... On 9/1/20 11:10, Hsin-Yi Wang wrote: > Elm is Acer Chromebook R13. Hana is Lenovo Chromebook. Both uses mt8173 > SoC. > > Signed-off-by: Hsin-Yi Wang > --- > This depends on parade bridge ps8640, the driver's status is: > https://patchwork.kernel.org/cover/11312747/ > --- > 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 | 53 + > arch/arm64/boot/dts/mediatek/mt8173-elm.dts | 15 + > arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 1069 +++++++++++++++++ > 6 files changed, 1183 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..ee7aadc94dc6 100644 > --- a/arch/arm64/boot/dts/mediatek/Makefile > +++ b/arch/arm64/boot/dts/mediatek/Makefile > @@ -7,4 +7,7 @@ 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-evb.dtb > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm.dtb > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana.dtb > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana-rev7.dtb Alphabetical order, so those three before mt8173-evb.dtb > dtb-$(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"; > +}; > \ 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..26de3133c1b7 > --- /dev/null > +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi > @@ -0,0 +1,53 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright 2016 MediaTek Inc. > + */ > + > +#include "mt8173-elm.dtsi" > + > +&i2c_tunnel { > + google,limited-passthrough; I don't think this exists in mainline. In such case you should remove this. > +}; > + > +&i2c0 { > + clock-frequency = <200000>; > +}; > + > +&i2c3 { > + touchscreen2: touchscreen@34 { > + compatible = "melfas,mip4_ts"; > + reg = <0x34>; > + interrupt-parent = <&pio>; > + interrupts = <88 IRQ_TYPE_LEVEL_LOW>; > + }; Hmm, so the same Hana revision can go with up to different touchscreens models? > + > + touchscreen3: touchscreen@20 { > + compatible = "hid-over-i2c"; > + reg = <0x20>; > + hid-descr-addr = <0x0020>; > + interrupt-parent = <&pio>; > + interrupts = <88 IRQ_TYPE_LEVEL_LOW>; > + }; > +}; > + > +&mmc1 { > + wp-gpios = <&pio 42 GPIO_ACTIVE_HIGH>; > +}; > + > +&pio { > + hdmi_mux_pins: hdmi_mux_pins { > + pins2 { > + pinmux = ; > + bias-pull-up; > + output-high; > + }; > + }; > + > + mmc1_pins_default: mmc1default { > + pins_wp { > + pinmux = ; > + 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"; > +}; > \ 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..fca631e88d58 > --- /dev/null > +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > @@ -0,0 +1,1069 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright 2016 MediaTek Inc. > + */ > + > +#include > +#include > +#include "mt8173.dtsi" > + > +/ { > + aliases { > + serial0 = &uart0; > + serial1 = &uart1; > + serial2 = &uart2; > + serial3 = &uart3; > + }; > + > + memory@40000000 { > + device_type = "memory"; > + reg = <0 0x40000000 0 0x80000000>; > + }; > + > + backlight_lcd: backlight_lcd { > + 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>; Actually if you don't specify the brightness-levels and the default-brightness-level the pwm-backlight driver computes a table of levels and probably you'll have more granularity, did you try to just remove those properties? > + 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; > + }; > + > + firmware { > + chromeos { > + pinctrl-names = "default"; > + pinctrl-0 = <&chromeos_write_protect>; > + write-protect-gpio = <&pio 4 GPIO_ACTIVE_LOW>; > + }; > + }; > + This is not upstream, so you can remove it. > + 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 = ; > + 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 = ; > + }; > + > + volume_up { > + label = "Volume_up"; > + gpios = <&pio 124 GPIO_ACTIVE_LOW>; > + linux,code = ; > + }; > + }; > + > + 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_HIGH>; This should be GPIO_ACTIVE_LOW with latest version of the driver sent. > + reset-gpios = <&pio 115 GPIO_ACTIVE_HIGH>; Same here, 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; > + }; > + > + trackpad2: trackpad@2c { > + compatible = "hid-over-i2c"; > + interrupt-parent = <&pio>; > + interrupts = <117 IRQ_TYPE_LEVEL_LOW>; > + reg = <0x2c>; > + hid-descr-addr = <0x0020>; > + wakeup-source; > + }; So two trackpad models for the same ELM revision? > +}; > + > +&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>; > + 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 = , > + , > + , > + , > + , > + , > + ; > + bias-pull-down; > + }; > + }; > + > + bl_fixed_pins: bl_fixed_pins { > + pins1 { > + pinmux = ; > + output-low; > + }; > + }; > + > + bt_wake_pins: bt_wake_pins { > + pins1 { > + pinmux = ; > + bias-pull-up; > + }; > + }; > + > + chromeos_write_protect: chromeos_write_protect { > + pins1 { > + pinmux = ; > + bias-disable; > + }; > + }; > + I don't think this is needed. > + disp_pwm0_pins: disp_pwm0_pins { > + pins1 { > + pinmux = ; > + output-low; > + }; > + }; > + > + gpio_keys_pins: gpio_keys_pins { > + volume_pins { > + pinmux = , > + ; > + bias-pull-up; > + }; > + > + tablet_mode_pins { > + pinmux = ; > + bias-pull-up; > + }; > + }; > + > + hdmi_mux_pins: hdmi_mux_pins { > + pins1 { > + pinmux = ; > + }; > + }; > + > + mmc0_pins_default: mmc0default { > + pins_cmd_dat { > + pinmux = , > + , > + , > + , > + , > + , > + , > + , > + ; > + bias-pull-up; > + }; > + > + pins_clk { > + pinmux = ; > + bias-pull-down; > + }; > + > + pins_rst { > + pinmux = ; > + bias-pull-up; > + }; > + }; > + > + mmc1_pins_default: mmc1default { > + pins_cmd_dat { > + pinmux = , > + , > + , > + , > + ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_clk { > + pinmux = ; > + bias-pull-down; > + drive-strength = ; > + }; > + > + pins_insert { > + pinmux = ; > + bias-pull-up; > + }; > + }; > + > + mmc3_pins_default: mmc3default { > + pins_dat { > + pinmux = , > + , > + , > + ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_cmd { > + pinmux = ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_clk { > + pinmux = ; > + bias-pull-down; > + drive-strength = ; > + }; > + > + pins_pdn { > + pinmux = ; > + output-low; > + }; > + }; > + > + mmc0_pins_uhs: mmc0 { > + pins_cmd_dat { > + pinmux = , > + , > + , > + , > + , > + , > + , > + , > + ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_clk { > + pinmux = ; > + drive-strength = ; > + bias-pull-down = ; > + }; > + > + pins_ds { > + pinmux = ; > + drive-strength = ; > + bias-pull-down = ; > + }; > + > + pins_rst { > + pinmux = ; > + bias-pull-up; > + }; > + }; > + > + mmc1_pins_uhs: mmc1 { > + pins_cmd_dat { > + pinmux = , > + , > + , > + , > + ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_clk { > + pinmux = ; > + drive-strength = ; > + bias-pull-down = ; > + }; > + }; > + > + mmc3_pins_uhs: mmc3 { > + pins_dat { > + pinmux = , > + , > + , > + ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_cmd { > + pinmux = ; > + input-enable; > + drive-strength = ; > + bias-pull-up = ; > + }; > + > + pins_clk { > + pinmux = ; > + drive-strength = ; > + bias-pull-down = ; > + }; > + }; > + > + nor_gpio1_pins: nor { > + pins1 { > + pinmux = , > + , > + ; > + input-enable; > + drive-strength = ; > + bias-pull-up; > + }; > + > + pins2 { > + pinmux = ; > + drive-strength = ; > + bias-pull-up; > + }; > + > + pins_clk { > + pinmux = ; > + input-enable; > + drive-strength = ; > + bias-pull-up; > + }; > + }; > + > + panel_fixed_pins: panel_fixed_pins { > + pins1 { > + pinmux = ; > + }; > + }; > + > + ps8640_pins: ps8640_pins { > + pins1 { > + pinmux = , > + , > + ; > + }; > + }; > + > + ps8640_fixed_pins: ps8640_fixed_pins { > + pins1 { > + pinmux = ; > + }; > + }; > + > + rt5650_irq: rt5650_irq { > + pins1 { > + pinmux = ; > + bias-pull-down; > + }; > + }; > + > + spi_pins_a: spi1 { > + pins1 { > + pinmux = ; > + bias-pull-up; > + }; > + > + pins_spi { > + pinmux = , > + , > + , > + ; > + bias-disable; > + }; > + }; > + > + trackpad_irq: trackpad_irq { > + pins1 { > + pinmux = ; > + input-enable; > + bias-pull-up; > + }; > + }; > + > + usb_pins: usb@0 { > + pins1 { > + pinmux = ; > + output-high; > + bias-disable; > + }; > + }; > + > + wifi_wake_pins: wifi_wake_pins { > + pins1 { > + pinmux = ; > + 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>; > + }; > + }; > + > + i2c_tunnel_b: i2c-tunnel@1 { > + compatible = "google,cros-ec-i2c-tunnel"; > + google,remote-bus = <1>; For what is used this second i2c tunnel? There is anything connected to it? > + }; > + }; > +}; > + > +&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 > Thanks, Enric