linux-kernel - Re: [PATCH 2/5] arm64: dts: qcom: Add base SM4450 QRD DTS

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Message-ID: <bd16b009-491b-0edf-4e99-1f0dc5fd769d@quicinc.com>
Date:   Fri, 21 Jul 2023 10:18:47 +0800
From:   Tengfei Fan <quic_tengfan@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>
CC:     <quic_tsoni@...cinc.com>, <quic_shashim@...cinc.com>,
        <quic_kaushalk@...cinc.com>, <quic_tdas@...cinc.com>,
        <quic_tingweiz@...cinc.com>, <quic_aiquny@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/5] arm64: dts: qcom: Add base SM4450 QRD DTS



在 7/19/2023 6:23 PM, Krzysztof Kozlowski 写道:
> On 19/07/2023 12:01, Tengfei Fan wrote:
>> Add DTS for Qualcomm QRD platform which uses SM4450 SoC.
>>
>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/Makefile       |  1 +
>>   arch/arm64/boot/dts/qcom/sm4450-qrd.dts | 18 ++++++++++++++++++
>>   2 files changed, 19 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/qcom/sm4450-qrd.dts
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index 337abc4ceb17..a0cfd37e674b 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -215,3 +215,4 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx223.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx224.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-mtp.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-qrd.dtb
>> +dtb-$(CONFIG_ARCH_QCOM)	+= sm4450-qrd.dtb
> 
> Messed order.
V2 patch will order this.
> 
>> diff --git a/arch/arm64/boot/dts/qcom/sm4450-qrd.dts b/arch/arm64/boot/dts/qcom/sm4450-qrd.dts
>> new file mode 100644
>> index 000000000000..851a6761a6ea
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sm4450-qrd.dts
>> @@ -0,0 +1,18 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "sm4450.dtsi"
>> +/ {
>> +	model = "Qualcomm Technologies, Inc. SM4450 QRD";
>> +	compatible = "qcom,sm4450-qrd", "qcom,sm4450";
> 
> Missing bindings.
[PATCH 4/5] updated bindings, will move [PATCH 4/5] in front of this 
patch[PATCH 2/5].
> 
>> +
>> +	aliases { };
>> +
>> +	chosen {
>> +		bootargs = " ";
> 
> Drop, useless.
Will Drop bootargs="", only chosen empty.
> 
> OTOH, you miss here several properties. This is not even a basic board -
> nothing works here, right? Please submit when you have at least serial
> working.
We tested DCC console done(CONFIG_HVC_DCC), currnty DCC console can be 
used after enable CONFIG_HVC_DCC and add some reasonable dcc properties, 
so want to get review for this patch.
> 
>> +	};
>> +};
> 
> Best regards,
> Krzysztof
> 

-- 
Thx and BRs,
Tengfei Fan