linux-kernel - Re: [PATCH 4/4] arm64: dts: qcom: add SA8540P and ADP

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Date:   Wed, 8 Jun 2022 10:26:44 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>
Cc:     Jassi Brar <jassisinghbrar@...il.com>,
        Johan Hovold <johan+linaro@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] arm64: dts: qcom: add SA8540P and ADP

On 07/06/2022 23:41, Bjorn Andersson wrote:
> Introduce the Qualcomm SA8540P automotive platform and the SA8295P ADP
> development board.
> 
> The SA8540P and SC8280XP are fairly similar, so the SA8540P is built
> ontop of the SC8280XP dtsi to reduce duplication. As more advanced
> features are integrated this might be re-evaluated.
> 
> This initial contribution supports SMP, CPUFreq, cluster idle, UFS, RPMh
> regulators, debug UART, PMICs, remoteprocs (NSPs crashes shortly after
> booting) and USB.
> 
> The SA8295P ADP contains four PM8450 PMICs, which according to their
> revid are compatible with PM8150. They are defined within the ADP for
> now, to avoid creating additional .dtsi files for PM8150 with just
> addresses changed - and to allow using the labels from the schematics.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/Makefile        |   1 +
>  arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 434 +++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sa8540p.dtsi    | 133 +++++++
>  3 files changed, 568 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sa8295p-adp.dts
>  create mode 100644 arch/arm64/boot/dts/qcom/sa8540p.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index ceeae094a59f..2f416b84b71c 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -52,6 +52,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-1000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-4000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qrb5165-rb5.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sa8155p-adp.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sa8295p-adp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sc7180-idp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sc7180-trogdor-coachz-r1.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sc7180-trogdor-coachz-r1-lte.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> new file mode 100644
> index 000000000000..f78203d7bfd2
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -0,0 +1,434 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022, Linaro Limited
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/gpio-keys.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include <dt-bindings/spmi/spmi.h>
> +
> +#include "sa8540p.dtsi"
> +
> +/ {
> +	model = "Qualcomm SA8295P ADP";
> +	compatible = "qcom,sa8295p-adp", "qcom,sa8540p";

Similarly to previous patch - this needs to be documented.

Rest looks ok.

Best regards,
Krzysztof