linux-kernel - Re: [PATCH 06/16] arm64: dts: qcom: sm8550-aim300: add SM8550 AIM300

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Message-ID: <aecb04cd-805d-4c2d-b6a7-67a47b963ee9@linaro.org>
Date:   Fri, 17 Nov 2023 12:28:02 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Tengfei Fan <quic_tengfan@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        tglx@...utronix.de
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, -cc=kernel@...cinc.com
Subject: Re: [PATCH 06/16] arm64: dts: qcom: sm8550-aim300: add SM8550 AIM300

On 17/11/2023 12:18, Tengfei Fan wrote:
> Add a minimal DTS for the new QRD8550 board, serial, UFS and USB should
> be working.

An explanation of what is AIM300 would be welcomed.

> 
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/Makefile          |   1 +
>   arch/arm64/boot/dts/qcom/sm8550-aim300.dts | 490 +++++++++++++++++++++
>   2 files changed, 491 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/qcom/sm8550-aim300.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index d6cb840b7050..ea5d4a07671a 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -229,5 +229,6 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-hdk.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-qrd.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx223.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx224.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += sm8550-aim300.dtb

My email client suggests that alignment is broken here.

>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-mtp.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-qrd.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
> new file mode 100644
> index 000000000000..202b979da8ca
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
> @@ -0,0 +1,490 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include "sm8550.dtsi"
> +#include "pm8010.dtsi"
> +#include "pm8550.dtsi"
> +#include "pm8550b.dtsi"
> +#include "pm8550ve.dtsi"
> +#include "pm8550vs.dtsi"
> +#include "pmk8550.dtsi"
> +#include "pmr735d_a.dtsi"
> +#include "pmr735d_b.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. SM8550 AIM300";
> +	compatible = "qcom,sm8550-aim300", "qcom,sm8550";
> +
> +	aliases {
> +		serial0 = &uart7;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	pmic-glink {
> +		compatible = "qcom,sm8550-pmic-glink", "qcom,pmic-glink";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		orientation-gpios = <&tlmm 11 GPIO_ACTIVE_HIGH>;
> +
> +		connector@0 {
> +			compatible = "usb-c-connector";
> +			reg = <0>;
> +			power-role = "dual";
> +			data-role = "dual";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					pmic_glink_hs_in: endpoint {
> +						remote-endpoint = <&usb_1_dwc3_hs>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					pmic_glink_ss_in: endpoint {
> +						remote-endpoint = <&usb_1_dwc3_ss>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
> +	vph_pwr: vph-pwr-regulator {

It's not demanded, I think, but I'd suggest 'regulator-vph-pwr' to allow 
all regulators to be grouped together.

> +		compatible = "regulator-fixed";
> +		regulator-name = "vph_pwr";
> +		regulator-min-microvolt = <3700000>;
> +		regulator-max-microvolt = <3700000>;
> +
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +};

Other than that looks good to me.

-- 
With best wishes
Dmitry