linux-kernel - Re: [PATCH v2 5/5] arm64: dts: qcom: Add support for QCS9075 Ride & Ride-r3

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Message-ID: <wfc6nkkm53tkruixgidhyqkcddcay4cxby5uq7lhh6gut6u7su@ok3lqh6fcxge>
Date: Sat, 16 Nov 2024 01:54:23 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Wasim Nazir <quic_wasimn@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.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, 
	kernel@...cinc.com
Subject: Re: [PATCH v2 5/5] arm64: dts: qcom: Add support for QCS9075 Ride &
 Ride-r3

On Sat, Nov 16, 2024 at 04:21:52AM +0530, Wasim Nazir wrote:
> Add device tree support for QCS9075 Ride & Ride-r3 boards.
> QCS9075 Ride & Ride-r3 are similar to QCS9100 Ride and Ride-r3
> boards but without safety monitoring feature of SAfety-IsLand
> subsystem.

Why do we need another set of DTS files? Should we expect more changes
to these DTS files?

> 
> Difference between ride and ride-r3 is the ethernet phy.
> Ride uses 1G ethernet phy while ride-r3 uses 2.5G ethernet phy.
> 
> Signed-off-by: Wasim Nazir <quic_wasimn@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile            |  2 ++
>  arch/arm64/boot/dts/qcom/qcs9075-ride-r3.dts | 12 ++++++++++++
>  arch/arm64/boot/dts/qcom/qcs9075-ride.dts    | 12 ++++++++++++
>  3 files changed, 26 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qcs9075-ride-r3.dts
>  create mode 100644 arch/arm64/boot/dts/qcom/qcs9075-ride.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 5d9847119f2e..91c811aca2ca 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -116,6 +116,8 @@ dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-4000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs6490-rb3gen2.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs8550-aim300-aiot.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs9075-rb8.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= qcs9075-ride.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= qcs9075-ride-r3.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs9100-ride.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs9100-ride-r3.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qdu1000-idp.dtb
> diff --git a/arch/arm64/boot/dts/qcom/qcs9075-ride-r3.dts b/arch/arm64/boot/dts/qcom/qcs9075-ride-r3.dts
> new file mode 100644
> index 000000000000..a04c8d1fa258
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs9075-ride-r3.dts
> @@ -0,0 +1,12 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +/dts-v1/;
> +
> +#include "sa8775p-ride-r3.dts"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. QCS9075 Ride Rev3";
> +	compatible = "qcom,qcs9075-ride-r3", "qcom,qcs9075", "qcom,sa8775p";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/qcs9075-ride.dts b/arch/arm64/boot/dts/qcom/qcs9075-ride.dts
> new file mode 100644
> index 000000000000..9ffab74fb1a8
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs9075-ride.dts
> @@ -0,0 +1,12 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +/dts-v1/;
> +
> +#include "sa8775p-ride.dts"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. QCS9075 Ride";
> +	compatible = "qcom,qcs9075-ride", "qcom,qcs9075", "qcom,sa8775p";
> +};
> --
> 2.47.0
> 

-- 
With best wishes
Dmitry