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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-acb3d127970sm153280866b.113.2025.04.16.09.09.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 16 Apr 2025 09:09:14 -0700 (PDT) Message-ID: Date: Wed, 16 Apr 2025 18:09:12 +0200 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 v1 2/2] arm64: dts: qcom: sa8775p: Add support for camss To: Vikram Sharma , Konrad Dybcio , rfoss@kernel.org, todor.too@gmail.com, bryan.odonoghue@linaro.org, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, hverkuil-cisco@xs4all.nl, cros-qcom-dts-watchers@chromium.org, catalin.marinas@arm.com, will@kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Suresh Vankadara References: <20250210155605.575367-1-quic_vikramsa@quicinc.com> <20250210155605.575367-3-quic_vikramsa@quicinc.com> <6e98b5ca-3ff1-44c3-928f-e993cf29215f@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: XXSucyMb1JyiOxyfNcg1F5KNWq9Dq4f2 X-Proofpoint-GUID: XXSucyMb1JyiOxyfNcg1F5KNWq9Dq4f2 X-Authority-Analysis: v=2.4 cv=ANaQCy7k c=1 sm=1 tr=0 ts=67ffd62d cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=COk6AnOGAAAA:8 a=eWPriOLmkRKYu5JWBSMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-16_06,2025-04-15_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 adultscore=0 mlxlogscore=941 suspectscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 impostorscore=0 spamscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504160132 On 4/16/25 5:29 PM, Vikram Sharma wrote: > > On 4/14/2025 7:14 PM, Konrad Dybcio wrote: >> On 2/10/25 4:56 PM, Vikram Sharma wrote: >>> Add changes to support the camera subsystem on the SA8775P. >>> >>> Co-developed-by: Suresh Vankadara >>> Signed-off-by: Suresh Vankadara >>> Signed-off-by: Vikram Sharma >>> --- >>>   arch/arm64/boot/dts/qcom/sa8775p.dtsi | 187 ++++++++++++++++++++++++++ >>>   1 file changed, 187 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi >>> index 3394ae2d1300..83640fef05d2 100644 >>> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi >>> @@ -7,6 +7,7 @@ >>>   #include >>>   #include >>>   #include >>> +#include >>>   #include >>>   #include >>>   #include >>> @@ -3796,6 +3797,192 @@ videocc: clock-controller@abf0000 { >>>               #power-domain-cells = <1>; >>>           }; >>>   +        camss: isp@ac7a000 { >>> +            compatible = "qcom,sa8775p-camss"; >>> + >>> +            reg = <0x0 0xac7a000 0x0 0x0f01>, >>> +                  <0x0 0xac7c000 0x0 0x0f01>, >>> +                  <0x0 0xac84000 0x0 0x0f01>, >>> +                  <0x0 0xac88000 0x0 0x0f01>, >>> +                  <0x0 0xac8c000 0x0 0x0f01>, >>> +                  <0x0 0xac90000 0x0 0x0f01>, >>> +                  <0x0 0xac94000 0x0 0x0f01>, >> These I think should begin 0x1000 earlier and as a result be 0x1000 > Hi Konrad, > Thanks for your comments. > First 0x1000 bytes of CSID are for secure usecase. Actually CSID register address space starts from > 'TITAN_A_RT_1_CSID_WRAPPER_CLC_CSID0_HW_VERSION' which is 0xac7a000. Alright, thanks Konrad