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Message-ID: <YkSQY5NSYcov21Ig@google.com>
Date: Wed, 30 Mar 2022 10:16:19 -0700
From: Matthias Kaehlcke <mka@...omium.org>
To: Mars Chen <chenxiangrui@...qin.corp-partner.google.com>
Cc: agross@...nel.org, Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] CHROMIUM: arm64: dts: qcom: Add sc7180-gelarshie
On Wed, Mar 30, 2022 at 05:09:46PM +0800, Mars Chen wrote:
> Subject: CHROMIUM: arm64: dts: qcom: Add sc7180-gelarshie
No CHROMIUM tag for upstream posts.
> Initial attempt at Gelarshie device tree.
This is not very useful. If you don't want to reveal much information
about an unreleased device you could say something generic like
"Add device tree for Gelarshie, a trogdor variant".
> BUG=b:225756600
> TEST=emerge-strongbad chromeos-kernel-5_4
drop these
> Signed-off-by: Mars Chen <chenxiangrui@...qin.corp-partner.google.com>
> Reported-by: kernel test robot <lkp@...el.com>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> .../dts/qcom/sc7180-trogdor-gelarshie-r0.dts | 15 +
> .../dts/qcom/sc7180-trogdor-gelarshie.dtsi | 304 ++++++++++++++++++
> 3 files changed, 320 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie-r0.dts
> create mode 100644 arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index f9e6343acd03..cf8f88b065c3 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -57,6 +57,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-coachz-r1.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-coachz-r1-lte.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-coachz-r3.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-coachz-r3-lte.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-gelarshie-r0.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-homestar-r2.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-homestar-r3.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-homestar-r4.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie-r0.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie-r0.dts
> new file mode 100644
> index 000000000000..027d6d563a5f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie-r0.dts
> @@ -0,0 +1,15 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Google Gelarshie board device tree source
> + *
> + * Copyright 2022 Google LLC.
> + */
> +
> +/dts-v1/;
> +
> +#include "sc7180-trogdor-gelarshie.dtsi"
> +
> +/ {
> + model = "Google Gelarshie (rev0+)";
> + compatible = "google,gelarshie", "qcom,sc7180";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie.dtsi
> new file mode 100644
> index 000000000000..842f6cac6c27
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-gelarshie.dtsi
> @@ -0,0 +1,304 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Google Gelarshie board device tree source
> + *
> + * Copyright 2022 Google LLC.
> + */
> +
> +#include "sc7180.dtsi"
> +#include "sc7180-trogdor-mipi-camera.dtsi"
drop the mipi camera include, it is not upstream
> +
> +ap_ec_spi: &spi6 {};
> +ap_h1_spi: &spi0 {};
> +
> +#include "sc7180-trogdor.dtsi"
> +#include "sc7180-trogdor-ti-sn65dsi86.dtsi"
> +
> +/* Deleted nodes from trogdor.dtsi */
> +
> +/delete-node/ &alc5682;
> +/delete-node/ &pp3300_codec;
> +
> +/ {
> + /* BOARD-SPECIFIC TOP LEVEL NODES */
> +
> + adau7002: audio-codec-1 {
> + compatible = "adi,adau7002";
> + IOVDD-supply = <&pp1800_l15a>;
> + wakeup-delay-ms = <80>;
> + #sound-dai-cells = <0>;
> + };
> +};
> +
> +&backlight {
> + pwms = <&cros_ec_pwm 0>;
> +};
> +
> +&camcc {
> + status = "okay";
> +};
> +
> +&cros_ec {
> + cros_ec_proximity: proximity {
> + compatible = "google,cros-ec-mkbp-proximity";
> + label = "proximity-wifi";
> + };
> +};
> +
> +ap_ts_pen_1v8: &i2c4 {
> + status = "okay";
> + clock-frequency = <400000>;
> +
> + ap_ts: touchscreen@5d {
> + compatible = "goodix,gt7375p";
> + reg = <0x5d>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&ts_int_l>, <&ts_reset_l>;
> +
> + interrupt-parent = <&tlmm>;
> + interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
> +
> + reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>;
> +
> + vdd-supply = <&pp3300_ts>;
> + };
> +};
> +
> +&i2c7 {
> + status = "disabled";
> +};
> +
> +&i2c9 {
> + status = "disabled";
> +};
> +
> +&mdp {
> + chromium-enable-overlays;
> +};
I can't find documentation for 'chromium-enable-overlays', what is this
supposed to do?
> +
> +&panel {
> + compatible = "edp-panel";
> +};
> +
> +&pm6150_adc {
> + skin-temp-thermistor@4e {
> + reg = <ADC5_AMUX_THM2_100K_PU>;
> + qcom,ratiometric;
> + qcom,hw-settle-time = <200>;
> + };
> +};
> +
> +&pm6150_adc_tm {
> + status = "okay";
> +
> + skin-temp-thermistor@1 {
> + reg = <1>;
> + io-channels = <&pm6150_adc ADC5_AMUX_THM2_100K_PU>;
> + qcom,ratiometric;
> + qcom,hw-settle-time-us = <200>;
> + };
> +};
The thermistor is currently unused, drop it and add it later when you
add the corresponding thermal zone.
> +
> +&pp1800_uf_cam {
> + status = "okay";
> +};
> +
> +&pp1800_wf_cam {
> + status = "okay";
> +};
> +
> +&pp2800_uf_cam {
> + status = "okay";
> +};
> +
> +&pp2800_wf_cam {
> + status = "okay";
> +};
> +
> +&pp3300_dx_edp {
> + gpio = <&tlmm 67 GPIO_ACTIVE_HIGH>;
> +};
> +
> +&sdhc_2 {
> + status = "okay";
> +};
> +
> +&sn65dsi86_out {
> + data-lanes = <0 1 2 3>;
> +};
> +
> +&sound {
> + compatible = "google,sc7180-coachz";
Is 'sc7180-coachz' intended because the config is the same as for
coachz or should this be 'sc7180-gelarshie'?
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