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Message-ID: <acff166f-9ebb-456e-9bea-61c3dafe7ebd@gmail.com>
Date: Mon, 1 Jul 2024 10:55:47 +0800
From: Xilin Wu <wuxilin123@...il.com>
To: Abel Vesa <abel.vesa@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Johan Hovold <johan+linaro@...nel.org>,
 Elliot Berman <quic_eberman@...cinc.com>
Subject: Re: [PATCH v3 2/2] arm64: dts: qcom: Add device tree for ASUS
 Vivobook S 15



On 2024/7/1 0:48, Abel Vesa wrote:
> On 24-06-30 16:59:27, Xilin Wu via B4 Relay wrote:
>> From: Xilin Wu <wuxilin123@...il.com>
>>
>> ASUS Vivobook S 15 is a laptop based on the Qualcomm Snapdragon X Elite
>> SoC (X1E78100).
>>
>> Add the device tree for the laptop with support for the following features:
>>
>> - CPU frequency scaling up to 3.4GHz
>> - NVMe storage on PCIe 6a (capable of Gen4x4, currently limited to Gen4x2)
>> - Keyboard and touchpad
>> - WCN7850 Wi-Fi
>> - Two Type-C ports on the left side (USB3 only in one orientation)
>> - internal eDP display
>> - ADSP and CDSP remoteprocs
>>
>> Further details could be found in the cover letter.
>>
>> Signed-off-by: Xilin Wu <wuxilin123@...il.com>
>> ---
>>   arch/arm64/boot/dts/qcom/Makefile                  |   1 +
>>   .../boot/dts/qcom/x1e80100-asus-vivobook-s15.dts   | 616 +++++++++++++++++++++
>>   2 files changed, 617 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index 5576c7d6ea06..fe08b6be565d 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -258,5 +258,6 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-hdk-display-card.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-hdk.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-mtp.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-qrd.dtb
>> +dtb-$(CONFIG_ARCH_QCOM)	+= x1e80100-asus-vivobook-s15.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= x1e80100-crd.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= x1e80100-qcp.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts b/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts
>> new file mode 100644
>> index 000000000000..34f90e45a5d7
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts
>> @@ -0,0 +1,616 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
>> + * Copyright (c) 2024, Xilin Wu <wuxilin123@...il.com>
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>> +
>> +#include "x1e80100.dtsi"
>> +#include "x1e80100-pmics.dtsi"
>> +
>> +/ {
>> +	model = "ASUS Vivobook S 15";
>> +	compatible = "asus,vivobook-s15", "qcom,x1e80100";
>> +	chassis-type = "laptop";
>> +
> 
> [ ... ]
> 
>> +
>> +	tpad_default: tpad-default-state {
>> +		pins = "gpio3";
>> +		function = "gpio";
>> +		bias-disable;
>> +	};
>> +};
>> +
>> +&usb_1_ss0_hsphy {
>> +	vdd-supply = <&vreg_l2e_0p8>;
> 
> I think you will probably want to use vreg_l3j_0p8 here. See following
> fix for CRD and QCP:
> 
> https://lore.kernel.org/linux-kernel/20240629-x1e80100-dts-fix-hsphy-0-8v-supplies-v1-1-de99ee030b27@linaro.org/T/
> 

Indeed, I checked ACPI just now and I think the design follows CRD and QCP.

>> +	vdda12-supply = <&vreg_l2j_1p2>;
>> +
>> +	phys = <&smb2360_0_eusb2_repeater>;
>> +
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_ss0_qmpphy {
>> +	vdda-phy-supply = <&vreg_l3e_1p2>;
>> +	vdda-pll-supply = <&vreg_l1j_0p8>;
>> +
>> +	orientation-switch;
>> +
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_ss0 {
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_ss0_dwc3 {
>> +	dr_mode = "host";
>> +};
>> +
>> +&usb_1_ss0_dwc3_hs {
>> +	remote-endpoint = <&pmic_glink_ss0_hs_in>;
>> +};
>> +
>> +&usb_1_ss0_qmpphy_out {
>> +	remote-endpoint = <&pmic_glink_ss0_ss_in>;
>> +};
>> +
>> +&usb_1_ss1_hsphy {
>> +	vdd-supply = <&vreg_l2e_0p8>;
> 
> Same here.
> 
>> +	vdda12-supply = <&vreg_l2j_1p2>;
>> +
>> +	phys = <&smb2360_1_eusb2_repeater>;
>> +
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_ss1_qmpphy {
>> +	vdda-phy-supply = <&vreg_l3e_1p2>;
>> +	vdda-pll-supply = <&vreg_l2d_0p9>;
>> +
>> +	orientation-switch;
>> +
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_ss1 {
>> +	status = "okay";
>> +};
>> +
>> +&usb_1_ss1_dwc3 {
>> +	dr_mode = "host";
>> +};
>> +
>> +&usb_1_ss1_dwc3_hs {
>> +	remote-endpoint = <&pmic_glink_ss1_hs_in>;
>> +};
>> +
>> +&usb_1_ss1_qmpphy_out {
>> +	remote-endpoint = <&pmic_glink_ss1_ss_in>;
>> +};
>>
>> -- 
>> 2.45.2
>>
>>

-- 
Thanks,
Xilin Wu

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