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

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Message-ID: <ZzzM/iXyZOzGDu/U@hu-wasimn-hyd.qualcomm.com>
Date: Tue, 19 Nov 2024 23:08:06 +0530
From: Wasim Nazir <quic_wasimn@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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 01:54:23AM +0200, Dmitry Baryshkov wrote:
> 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?

Ride/r3 based on qcs9075 and qcs9100 are 4 different boards with different
SoCs, so different file is used to represent all the 4 boards.

> 
> > 
> > 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

Thanks & Regards,
Wasim