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Mon, 13 Jul 2026 01:38:13 -0700 (PDT) X-Received: by 2002:a05:622a:259b:b0:51c:9ad:d77 with SMTP id d75a77b69052e-51cbf280a7dmr79968471cf.51.1783931893405; Mon, 13 Jul 2026 01:38:13 -0700 (PDT) Received: from [192.168.1.73] ([92.247.57.178]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c15d3e54e83sm742060466b.42.2026.07.13.01.38.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Jul 2026 01:38:12 -0700 (PDT) Message-ID: Date: Mon, 13 Jul 2026 11:38:11 +0300 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 3/5] dt-bindings: media: qcom: Add JPEG encoder binding To: Bjorn Andersson Cc: linux-media@vger.kernel.org, bryan.odonoghue@linaro.org, vladimir.zapolskiy@linaro.org, loic.poulain@oss.qualcomm.com, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260706071113.383215-1-atanas.filipov@oss.qualcomm.com> <20260706071113.383215-4-atanas.filipov@oss.qualcomm.com> Content-Language: en-US From: Atanas Filipov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDA4OCBTYWx0ZWRfX3WyqzIwXzpDH EvgrnDg+mOtO2SKN3CkWQgyIlLQY/HXh7+lz2K8emoCI7z6OPs/PeGqsremb6luvoixMuKwn5ux V6pkfnKgp//7bFotVcHAhTyd3ivAhFY= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDA4OCBTYWx0ZWRfX23KLnz5RtMGC nYAZh1TM/z1IJr8FLynuaA9xgfw5Jk5eR+cTiNGW+kD+btAPaHFACXmzJJbJ1J3oLzrsJnCkpl6 ZB6c2z9jksElBwHwPqslHpZgIJiVkfFdToDbvnJMitaMCoKxE/AfQ46voseaJW+HPodsZkvnPM6 8NyaJrpgCErBayVbllOtsnCpvDIqFDlry8m0SuX1YGbXlW90O49R3m6Nhc5GRrxKfVCESC3YgdP SicdHesmGH8aAGEjRbr41rdgSMUxWPT6A7DTt0QgJbLVPhTuRJdTuAnrFr/Uvyp1CA5j6+JzY06 EKsd8YfrIp2twlbQ92n1shuo1DZ1SJGbtyVm9qTOyyHemC+h3fALVDo1IyHp/K2EgdKTGJjfRO7 7kOIBAe5iQRD2RlRaiz/MnK5ISiS55Rak6x/bhoOumzErHCeNx53fFIUGT2cg0xYOiAFI7bpfPW 1m+PuTo3PnxhQvVTdJQ== X-Proofpoint-ORIG-GUID: 5dGkM0FZaxZMj8HBpGCTdPxMBM44QQZc X-Authority-Analysis: v=2.4 cv=DbcnbPtW c=1 sm=1 tr=0 ts=6a54a3f6 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=ybD9qRDIDfZaXNPQ7Ca20A==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=2iqQDksCm9cAjr31UZcA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-GUID: 5dGkM0FZaxZMj8HBpGCTdPxMBM44QQZc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-13_02,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 phishscore=0 suspectscore=0 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607130088 On 7/12/2026 5:55 PM, Bjorn Andersson wrote: > On Mon, Jul 06, 2026 at 10:11:11AM +0300, Atanas Filipov wrote: >> Add device-tree binding for the Qualcomm JPEG encoder hardware block >> present in SM8250 (Kona) SoCs. >> >> The JPEG encoder is a standalone hardware IP within the camera subsystem >> that performs JPEG compression in memory-to-memory fashion. It is >> separate from the CAMSS ISP pipeline and has its own register space, >> interrupt, clocks, power domain, IOMMU streams, and interconnect paths. >> >> Signed-off-by: Atanas Filipov >> --- >> .../bindings/media/qcom,jpeg-encoder.yaml | 151 ++++++++++++++++++ >> 1 file changed, 151 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/media/qcom,jpeg-encoder.yaml >> >> diff --git a/Documentation/devicetree/bindings/media/qcom,jpeg-encoder.yaml b/Documentation/devicetree/bindings/media/qcom,jpeg-encoder.yaml >> new file mode 100644 >> index 000000000000..e4c16388ef07 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/media/qcom,jpeg-encoder.yaml >> @@ -0,0 +1,151 @@ >> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/media/qcom,jpeg-encoder.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Qualcomm JPEG Encoder >> + >> +maintainers: >> + - Atanas Filipov >> + >> +description: >> + Qualcomm JPEG Encoder is the JPEG encode hardware present in Qualcomm SoCs. >> + >> +properties: >> + compatible: >> + enum: >> + - qcom,sm8250-jenc > > I suspect you find it obvious > that this is the block than is used to enc the js, but I don't. > > We have space, can we please use some more letters here? How about > inflating this to qcom,sm8250-jpeg-enc? > > Is there a qcom,sm8250-jdec as well? Is that a completely separate > block, or is this IP-block actually the qcom,scm8250-jpeg block doing > both encoding and decoding? > > Regards, > Bjorn > Good point. v5 will use qcom,sm8250-jpeg-enc. Best regards, Atanas >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 6 >> + >> + clock-names: >> + items: >> + - const: hf_axi >> + - const: sf_axi >> + - const: core_ahb >> + - const: cpas_ahb >> + - const: cnoc_axi >> + - const: jpeg >> + >> + interconnects: >> + maxItems: 3 >> + >> + interconnect-names: >> + items: >> + - const: cpu-cfg >> + - const: hf-mnoc >> + - const: sf-mnoc >> + >> + iommus: >> + maxItems: 1 >> + >> + operating-points-v2: true >> + >> + opp-table: >> + type: object >> + >> +required: >> + - compatible >> + - reg >> + - clocks >> + - clock-names >> + - interrupts >> + - interconnects >> + - interconnect-names >> + - iommus >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include >> + #include >> + #include >> + #include >> + #include >> + >> + jpeg-encoder@ac53000 { >> + compatible = "qcom,sm8250-jenc"; >> + reg = <0xac53000 0x1000>; >> + >> + interrupts = ; >> + >> + clocks = <&gcc GCC_CAMERA_HF_AXI_CLK>, >> + <&gcc GCC_CAMERA_SF_AXI_CLK>, >> + <&camcc CAM_CC_CORE_AHB_CLK>, >> + <&camcc CAM_CC_CPAS_AHB_CLK>, >> + <&camcc CAM_CC_CAMNOC_AXI_CLK>, >> + <&camcc CAM_CC_JPEG_CLK>; >> + clock-names = "hf_axi", >> + "sf_axi", >> + "core_ahb", >> + "cpas_ahb", >> + "cnoc_axi", >> + "jpeg"; >> + >> + interconnects = <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ACTIVE_ONLY >> + &config_noc SLAVE_CAMERA_CFG QCOM_ICC_TAG_ACTIVE_ONLY>, >> + <&mmss_noc MASTER_CAMNOC_HF QCOM_ICC_TAG_ALWAYS >> + &mc_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ALWAYS>, >> + <&mmss_noc MASTER_CAMNOC_SF QCOM_ICC_TAG_ALWAYS >> + &mc_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ALWAYS>; >> + interconnect-names = "cpu-cfg", >> + "hf-mnoc", >> + "sf-mnoc"; >> + >> + iommus = <&apps_smmu 0x2040 0x400>; >> + >> + operating-points-v2 = <&jpeg_opp_table>; >> + >> + jpeg_opp_table: opp-table { >> + compatible = "operating-points-v2"; >> + >> + opp-100000000 { >> + opp-hz = /bits/ 64 <400000000>, >> + /bits/ 64 <100000000>; >> + opp-peak-kBps = <76800 104166 104166>; >> + opp-avg-kBps = <38400 33569 33569>; >> + required-opps = <&rpmhpd_opp_min_svs>; >> + }; >> + >> + opp-200000000 { >> + opp-hz = /bits/ 64 <400000000>, >> + /bits/ 64 <200000000>; >> + opp-peak-kBps = <76800 208333 208333>; >> + opp-avg-kBps = <38400 67138 67138>; >> + required-opps = <&rpmhpd_opp_low_svs>; >> + }; >> + >> + opp-400000000 { >> + opp-hz = /bits/ 64 <400000000>, >> + /bits/ 64 <400000000>; >> + opp-peak-kBps = <76800 416666 416666>; >> + opp-avg-kBps = <38400 134277 134277>; >> + required-opps = <&rpmhpd_opp_svs>; >> + }; >> + >> + opp-480000000 { >> + opp-hz = /bits/ 64 <400000000>, >> + /bits/ 64 <480000000>; >> + opp-peak-kBps = <76800 500000 500000>; >> + opp-avg-kBps = <38400 161132 161132>; >> + required-opps = <&rpmhpd_opp_svs_l1>; >> + }; >> + >> + opp-600000000 { >> + opp-hz = /bits/ 64 <400000000>, >> + /bits/ 64 <600000000>; >> + opp-peak-kBps = <76800 625000 625000>; >> + opp-avg-kBps = <38400 201416 201416>; >> + required-opps = <&rpmhpd_opp_nom>; >> + }; >> + }; >> + }; >> -- >> 2.34.1 >>