From: Tengfei Fan <quic_tengfan@quicinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
<andersson@kernel.org>, <konrad.dybcio@linaro.org>,
<robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
<conor+dt@kernel.org>
Cc: <quic_tsoni@quicinc.com>, <quic_shashim@quicinc.com>,
<quic_kaushalk@quicinc.com>, <quic_tdas@quicinc.com>,
<quic_tingweiz@quicinc.com>, <quic_aiquny@quicinc.com>,
<kernel@quicinc.com>, <linux-arm-msm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 4/6] arm64: dts: qcom: Add base SM4450 QRD DTS
Date: Thu, 27 Jul 2023 16:27:15 +0800 [thread overview]
Message-ID: <dba27a60-8681-e2e7-b89f-608bfbc05e93@quicinc.com> (raw)
In-Reply-To: <f974f48a-05b0-530d-25a0-7ccf1b1ad113@linaro.org>
在 7/27/2023 2:56 PM, Krzysztof Kozlowski 写道:
> On 27/07/2023 04:35, Tengfei Fan wrote:
>> Add DTS for Qualcomm QRD platform which uses SM4450 SoC.
>>
>> Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.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..db805d0929c8 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -186,6 +186,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sdm850-lenovo-yoga-c630.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sdm850-samsung-w737.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sdx75-idp.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm4250-oneplus-billie2.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += sm4450-qrd.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm6115-fxtec-pro1x.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm6115p-lenovo-j606f.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm6125-sony-xperia-seine-pdx201.dtb
>> 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..04ad1dd4285a
>> --- /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";
>> +
>> + aliases { };
>> +
>> + chosen {
>> + bootargs = "console=hvc0 earlycon=hvc0 hvc_dcc.enable=1 cpuidle.off=1";
>
> No earlycon, no hvc.enable (there is no such parameter), no cpuidle.off
> (again don't add fake stuff). So the only suitable argument is console,
> but this should be actually used via stdout path, although it seems
> there is no device node for such usage?
Hi Krzysztof,
Checked upstream linux kernel code, there is not "hvc_dcc.enable", but
have other parameters, like earlycon, cpuidle.off.
Do you mean we should not set "earlycon=hvc0 cpuidle.off=1" parameters,
right? only need: bootargs = "console=hvc0" ?
>
>
>
> Best regards,
> Krzysztof
>
--
Thx and BRs,
Tengfei Fan
next prev parent reply other threads:[~2023-07-27 10:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 2:35 [PATCH v2 0/6] soc: qcom: Add support for SM4450 Tengfei Fan
2023-07-27 2:35 ` [PATCH v2 1/6] dt-bindings: qcom,pdc: add qcom,sm4450-pdc compatible Tengfei Fan
2023-07-27 6:52 ` Krzysztof Kozlowski
2023-07-27 2:35 ` [PATCH v2 2/6] dt-bindings: arm: qcom: Document SM4450 SoC and boards Tengfei Fan
2023-07-27 6:52 ` Krzysztof Kozlowski
2023-07-27 2:35 ` [PATCH v2 3/6] arm64: dts: qcom: Adds base SM4450 DTSI Tengfei Fan
2023-07-27 6:53 ` Krzysztof Kozlowski
2023-07-27 7:38 ` Tengfei Fan
2023-07-27 2:35 ` [PATCH v2 4/6] arm64: dts: qcom: Add base SM4450 QRD DTS Tengfei Fan
2023-07-27 6:56 ` Krzysztof Kozlowski
2023-07-27 7:59 ` Konrad Dybcio
2023-07-27 8:49 ` Tengfei Fan
2023-07-27 13:08 ` Konrad Dybcio
2023-07-28 0:49 ` Tengfei Fan
2023-07-28 1:41 ` Trilok Soni
2023-07-27 8:27 ` Tengfei Fan [this message]
2023-07-27 8:50 ` Krzysztof Kozlowski
2023-07-27 9:02 ` Tengfei Fan
2023-07-27 2:35 ` [PATCH v2 5/6] dt-bindings: arm: qcom,ids: add SoC ID for SM4450 Tengfei Fan
2023-07-27 6:57 ` Krzysztof Kozlowski
2023-07-27 7:57 ` Tengfei Fan
2023-07-27 2:35 ` [PATCH v2 6/6] soc: qcom: socinfo: add SM4450 ID Tengfei Fan
2023-07-27 6:57 ` Krzysztof Kozlowski
2023-07-27 7:58 ` Tengfei Fan
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