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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-88d9623fdd8sm93756866d6.4.2025.12.22.18.16.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 Dec 2025 18:16:32 -0800 (PST) Message-ID: Date: Tue, 23 Dec 2025 10:16:25 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] arm64: dts: qcom: talos-evk-camera: Add DT overlay To: Vladimir Zapolskiy , Loic Poulain , Robert Foss , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Bryan O'Donoghue Cc: linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org References: <20251222-sm6150_evk-v1-0-4d260a31c00d@oss.qualcomm.com> <20251222-sm6150_evk-v1-3-4d260a31c00d@oss.qualcomm.com> <703a502c-883d-434a-8bcf-f785080f5102@oss.qualcomm.com> <091b863b-fa0a-4d3c-8461-60cdc4970992@linaro.org> Content-Language: en-US From: Wenmeng Liu In-Reply-To: <091b863b-fa0a-4d3c-8461-60cdc4970992@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=DPiCIiNb c=1 sm=1 tr=0 ts=6949fb82 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=kW7qbXk8jYSkC2qDlpcA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: nC1erRNu9bRNlKv7OGf9zY3ux3nIDYic X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjIzMDAxNyBTYWx0ZWRfX6IB7YmokUblR ELfF4q78EJk4TkQApQwIRHQHXMVIkaHxwEWmAe6Gwr7kXSNh63LHbtwfVkE5KpzIc4+9NmWfXeg z87C9A5B4hSYSaKADWI4rTlpnfUVqQibIPp6C7JpqZOGnYfui/xa9zBvPktCbPAgnLy9oC3fuJI P5FPKvU1Ar3MWsiUp70QpYH0lmqS6CQmZJEUSnJPs8chU/bmDC1BP+8UyhO2BWw0p5kAERuT+Pu GJxeHw4mbcvXptnJ9SHHuHrkFHO6Xjar4GCMkVIegRAXlvT7nA4mNnbr6g1Nzl0pFCa2w9Fx2t4 5oqEAsvaB/kWU83mTJg16n4ZWr3kHiQqTtfee+oPbbO7tcr6hSAcS/BHo9dQKyOEal21GKFiJsU QAqtSb5aLXfLfPGN4DdfJTiPc8zIKI6vNCzUefZkhNxP0V5NI4qNvyxROE5yxeFGaYkfSx9Lqjv Qvyq89TBNxD0hS5KjxQ== X-Proofpoint-ORIG-GUID: nC1erRNu9bRNlKv7OGf9zY3ux3nIDYic X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-22_04,2025-12-22_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 malwarescore=0 spamscore=0 bulkscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512230017 On 12/22/2025 11:45 PM, Vladimir Zapolskiy wrote: > On 12/22/25 13:41, Wenmeng Liu wrote: >> >> >> On 12/22/2025 7:19 PM, Vladimir Zapolskiy wrote: >>> On 12/22/25 10:44, Wenmeng Liu wrote: >>>> Enable IMX577 via CCI on Taloss EVK Core Kit. >>>> >>>> The Talos EVK board does not include a camera sensor >>>> by default, this overlay reflects the possibility of >>>> attaching an optional camera sensor. >>>> For this reason, the camera sensor configuration is >>>> placed in talos-evk-camera.dtso, rather than >>>> modifying the base talos-evk.dts. >>>> >>>> Signed-off-by: Wenmeng Liu >>>> --- >>>>    arch/arm64/boot/dts/qcom/Makefile              |  2 + >>>>    arch/arm64/boot/dts/qcom/talos-evk-camera.dtso | 64 ++++++++++++++++ >>>> ++++++++++ >>>>    arch/arm64/boot/dts/qcom/talos.dtsi            | 21 +++++++++ >>> >>> Please split QCS615 MCLK definitions change into a separate commit. >> ACK.> >>>>    3 files changed, 87 insertions(+) >>>> >>>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/ >>>> qcom/Makefile >>>> index >>>> 60121f133078b2754f98e6f45a3db4031b478cc8..b1d85b1f4a94714f2a5c976d162482d70ae920f2 100644 >>>> --- a/arch/arm64/boot/dts/qcom/Makefile >>>> +++ b/arch/arm64/boot/dts/qcom/Makefile >>>> @@ -325,7 +325,9 @@ dtb-$(CONFIG_ARCH_QCOM)    += sm8650-qrd.dtb >>>>    dtb-$(CONFIG_ARCH_QCOM)    += sm8750-mtp.dtb >>>>    dtb-$(CONFIG_ARCH_QCOM)    += sm8750-qrd.dtb >>>>    dtb-$(CONFIG_ARCH_QCOM)    += talos-evk.dtb >>>> +talos-evk-camera-dtbs        := talos-evk.dtb talos-evk-camera.dtbo >>>>    talos-evk-lvds-auo,g133han01-dtbs    := talos-evk.dtb talos-evk- >>>> lvds-auo,g133han01.dtbo >>>> +dtb-$(CONFIG_ARCH_QCOM)    += talos-evk-camera.dtb >>>>    dtb-$(CONFIG_ARCH_QCOM)    += talos-evk-lvds-auo,g133han01.dtb >>>>    x1e001de-devkit-el2-dtbs    := x1e001de-devkit.dtb x1-el2.dtbo >>>>    dtb-$(CONFIG_ARCH_QCOM)    += x1e001de-devkit.dtb x1e001de-devkit- >>>> el2.dtb >>>> diff --git a/arch/arm64/boot/dts/qcom/talos-evk-camera.dtso b/arch/ >>>> arm64/boot/dts/qcom/talos-evk-camera.dtso >>>> new file mode 100644 >>>> index >>>> 0000000000000000000000000000000000000000..ae1a02295b4dc48212aad40980a329ff458fe69a >>>> --- /dev/null >>>> +++ b/arch/arm64/boot/dts/qcom/talos-evk-camera.dtso >>>> @@ -0,0 +1,64 @@ >>>> +// SPDX-License-Identifier: BSD-3-Clause >>>> +/* >>>> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. >>> >>> Please add a missing year of the change. >> Now our requirement is a yearless copyright.> > > Ack. It's a lawyers' domain anyway. > >>>> + */ >>>> + >>>> +/dts-v1/; >>>> +/plugin/; >>>> + >>>> +#include >>>> +#include >>>> + >>>> +&camss { >>>> +    vdd-csiphy-1p2-supply = <&vreg_l11a>; >>>> +    vdd-csiphy-1p8-supply = <&vreg_l12a>; >>>> + >>>> +    status = "okay"; >>>> + >>>> +    ports { >>>> +        #address-cells = <1>; >>>> +        #size-cells = <0>; >>>> + >>>> +        port@1 { >>>> +            reg = <1>; >>>> + >>>> +            csiphy1_ep: endpoint { >>>> +                clock-lanes = <7>; >>> >>> Please remove 'clock-lanes' property. >> ACK.> >>>> +                data-lanes = <0 1 2 3>; >>>> +                remote-endpoint = <&imx577_ep1>; >>>> +            }; >>>> +        }; >>>> +    }; >>>> +}; >>>> + >>>> +&cci { >>>> +    status = "okay"; >>>> +}; >>>> + >>>> +&cci_i2c1 { >>>> +    #address-cells = <1>; >>>> +    #size-cells = <0>; >>>> + >>>> +    camera@1a { >>>> +        compatible = "sony,imx577"; >>>> +        reg = <0x1a>; >>>> + >>>> +        reset-gpios = <&tlmm 29 GPIO_ACTIVE_LOW>; >>>> +        pinctrl-0 = <&cam2_default>; >>>> +        pinctrl-names = "default"; >>>> + >>>> +        clocks = <&camcc CAM_CC_MCLK2_CLK>; >>>> +        assigned-clocks = <&camcc CAM_CC_MCLK2_CLK>; >>>> +        assigned-clock-rates = <24000000>; >>>> + >>>> +        avdd-supply = <&vreg_s4a>; >>> >>> Just one voltage supply? >> yes, 22pin camera module only have one pin for power.> > > It's common that mezzanine boards are supplied with power from S4A or VBAT, > I've never seen a camera module supplied with just one voltage regulator, > that's why it attracts attention. > > What is a camera module here, is it on an attachable vision mezzanine like > on RBx series or a part of Talos EVK PCB like on QRD series? > > If it is a mezzanine, the support of mezzanine boards should be done as > a DT overlay. > It`s like RBx series, does not include a camera sensor by default. Thanks, Wenmeng