Re: [PATCH v1 1/2] media: dt-bindings: Add qcom,sa8775p-camss

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On 10/02/2025 15:56, Vikram Sharma wrote:
Add bindings for qcom,sa8775p-camss to support the camera subsystem
on SA8775P platform.

Signed-off-by: Vikram Sharma <quic_vikramsa@xxxxxxxxxxx>
---
  .../bindings/media/qcom,sa8775p-camss.yaml    | 351 ++++++++++++++++++
  1 file changed, 351 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml

diff --git a/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
new file mode 100644
index 000000000000..083e1193c474
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
@@ -0,0 +1,351 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/qcom,sa8775p-camss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SA8775P CAMSS ISP
+
+maintainers:
+  - Vikram Sharma <quic_vikramsa@xxxxxxxxxxx>
+
+description:
+  The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms.
+
+properties:
+  compatible:
+    const: qcom,sa8775p-camss
+
+  reg:
+    maxItems: 22
+
+  reg-names:
+    items:
+      - const: csid0
+      - const: csid1
+      - const: csid_lite0
+      - const: csid_lite1
+      - const: csid_lite2
+      - const: csid_lite3
+      - const: csid_lite4
+      - const: csid_wrapper

csid_wrapper should come first

https://git.codelinaro.org/bryan.odonoghue/kernel/-/blob/x1e80100-6.13-inspiron14p/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml?ref_type=heads

+      - const: csiphy0
+      - const: csiphy1
+      - const: csiphy2
+      - const: csiphy3
+      - const: tpg0
+      - const: tpg1
+      - const: tpg2
+      - const: vfe0
+      - const: vfe1
+      - const: vfe_lite0
+      - const: vfe_lite1
+      - const: vfe_lite2
+      - const: vfe_lite3
+      - const: vfe_lite4
+
+  clocks:
+    maxItems: 28
+
+  clock-names:
+    items:
+      - const: camnoc_axi
+      - const: core_ahb
+      - const: cpas_ahb
+      - const: cpas_fast_ahb_clk
+      - const: cpas_ife_lite
+      - const: cpas_vfe0
+      - const: cpas_vfe1
+      - const: csid
+      - const: csiphy0
+      - const: csiphy0_timer
+      - const: csiphy1
+      - const: csiphy1_timer
+      - const: csiphy2
+      - const: csiphy2_timer
+      - const: csiphy3
+      - const: csiphy3_timer
+      - const: csiphy_rx
+      - const: gcc_axi_hf
+      - const: gcc_axi_sf
+      - const: icp_ahb
+      - const: vfe0
+      - const: vfe0_fast_ahb
+      - const: vfe1
+      - const: vfe1_fast_ahb
+      - const: vfe_lite
+      - const: vfe_lite_ahb
+      - const: vfe_lite_cphy_rx
+      - const: vfe_lite_csid
+
+  interrupts:
+    maxItems: 21
+
+  interrupt-names:
+    items:
+      - const: csid0
+      - const: csid1
+      - const: csid-lite0
+      - const: csid-lite1
+      - const: csid-lite2
+      - const: csid-lite3
+      - const: csid-lite4
+      - const: csiphy0
+      - const: csiphy1
+      - const: csiphy2
+      - const: csiphy3
+      - const: tpg0
+      - const: tpg1
+      - const: tpg2
+      - const: vfe0
+      - const: vfe1
+      - const: vfe-lite0
+      - const: vfe-lite1
+      - const: vfe-lite2
+      - const: vfe-lite3
+      - const: vfe-lite4
+
+  interconnects:
+    maxItems: 3
+
+  interconnect-names:
+    items:
+      - const: ahb
+      - const: hf_0
+      - const: sf_0
+
+  iommus:
+    maxItems: 1
+
+  power-domains:
+    items:
+      - description: Titan GDSC - Titan ISP Block, Global Distributed Switch Controller.
+
+  power-domain-names:
+    items:
+      - const: top
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    description:
+      CSI input ports.
+
+    patternProperties:
+      "^port@[0-3]+$":
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        description:
+          Input port for receiving CSI data on CSIPHY 0-3.
+
+        properties:
+          endpoint:
+            $ref: video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                minItems: 1
+                maxItems: 4
+
+            required:
+              - data-lanes
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - interrupts
+  - interrupt-names
+  - interconnects
+  - interconnect-names
+  - iommus
+  - power-domains
+  - power-domain-names

ports should be required

+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,sa8775p-camcc.h>
+    #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
+    #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
+    #include <dt-bindings/interconnect/qcom,icc.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        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>,
+                  <0x0 0xac78000 0x0 0x1000>,
+                  <0x0 0xac9c000 0x0 0x2000>,
+                  <0x0 0xac9e000 0x0 0x2000>,
+                  <0x0 0xaca0000 0x0 0x2000>,
+                  <0x0 0xaca2000 0x0 0x2000>,
+                  <0x0 0xacac000 0x0 0x0400>,
+                  <0x0 0xacad000 0x0 0x0400>,
+                  <0x0 0xacae000 0x0 0x0400>,
+                  <0x0 0xac4d000 0x0 0xd000>,
+                  <0x0 0xac5a000 0x0 0xd000>,
+                  <0x0 0xac85000 0x0 0x0d00>,
+                  <0x0 0xac89000 0x0 0x0d00>,
+                  <0x0 0xac8d000 0x0 0x0d00>,
+                  <0x0 0xac91000 0x0 0x0d00>,
+                  <0x0 0xac95000 0x0 0x0d00>;
+            reg-names = "csid0",
+                        "csid1",
+                        "csid_lite0",
+                        "csid_lite1",
+                        "csid_lite2",
+                        "csid_lite3",
+                        "csid_lite4",
+                        "csid_wrapper",
+                        "csiphy0",
+                        "csiphy1",
+                        "csiphy2",
+                        "csiphy3",
+                        "tpg0",
+                        "tpg1",
+                        "tpg2",
+                        "vfe0",
+                        "vfe1",
+                        "vfe_lite0",
+                        "vfe_lite1",
+                        "vfe_lite2",
+                        "vfe_lite3",
+                        "vfe_lite4";
+
+            clocks = <&camcc CAM_CC_CAMNOC_AXI_CLK>,
+                     <&camcc CAM_CC_CORE_AHB_CLK>,
+                     <&camcc CAM_CC_CPAS_AHB_CLK>,
+                     <&camcc CAM_CC_CPAS_FAST_AHB_CLK>,
+                     <&camcc CAM_CC_CPAS_IFE_LITE_CLK>,
+                     <&camcc CAM_CC_CPAS_IFE_0_CLK>,
+                     <&camcc CAM_CC_CPAS_IFE_1_CLK>,
+                     <&camcc CAM_CC_CSID_CLK>,
+                     <&camcc CAM_CC_CSIPHY0_CLK>,
+                     <&camcc CAM_CC_CSI0PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSIPHY1_CLK>,
+                     <&camcc CAM_CC_CSI1PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSIPHY2_CLK>,
+                     <&camcc CAM_CC_CSI2PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSIPHY3_CLK>,
+                     <&camcc CAM_CC_CSI3PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSID_CSIPHY_RX_CLK>,
+                     <&gcc   GCC_CAMERA_HF_AXI_CLK>,
+                     <&gcc   GCC_CAMERA_SF_AXI_CLK>,
+                     <&camcc CAM_CC_ICP_AHB_CLK>,
+                     <&camcc CAM_CC_IFE_0_CLK>,
+                     <&camcc CAM_CC_IFE_0_FAST_AHB_CLK>,
+                     <&camcc CAM_CC_IFE_1_CLK>,
+                     <&camcc CAM_CC_IFE_1_FAST_AHB_CLK>,
+                     <&camcc CAM_CC_IFE_LITE_CLK>,
+                     <&camcc CAM_CC_IFE_LITE_AHB_CLK>,
+                     <&camcc CAM_CC_IFE_LITE_CPHY_RX_CLK>,
+                     <&camcc CAM_CC_IFE_LITE_CSID_CLK>;
+            clock-names = "camnoc_axi",
+                          "core_ahb",
+                          "cpas_ahb",
+                          "cpas_fast_ahb_clk",
+                          "cpas_ife_lite",
+                          "cpas_vfe0",
+                          "cpas_vfe1",
+                          "csid",
+                          "csiphy0",
+                          "csiphy0_timer",
+                          "csiphy1",
+                          "csiphy1_timer",
+                          "csiphy2",
+                          "csiphy2_timer",
+                          "csiphy3",
+                          "csiphy3_timer",
+                          "csiphy_rx",
+                          "gcc_axi_hf",
+                          "gcc_axi_sf",
+                          "icp_ahb",
+                          "vfe0",
+                          "vfe0_fast_ahb",
+                          "vfe1",
+                          "vfe1_fast_ahb",
+                          "vfe_lite",
+                          "vfe_lite_ahb",
+                          "vfe_lite_cphy_rx",
+                          "vfe_lite_csid";
+
+            interrupts = <GIC_SPI 565 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 564 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 468 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 359 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 759 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 758 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 604 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 477 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 478 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 479 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 448 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 545 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 546 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 547 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 465 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 467 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 469 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 360 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 761 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 760 IRQ_TYPE_EDGE_RISING>,
+                         <GIC_SPI 605 IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "csid0",
+                              "csid1",
+                              "csid-lite0",
+                              "csid-lite1",
+                              "csid-lite2",
+                              "csid-lite3",
+                              "csid-lite4",
+                              "csiphy0",
+                              "csiphy1",
+                              "csiphy2",
+                              "csiphy3",
+                              "tpg0",
+                              "tpg1",
+                              "tpg2",
+                              "vfe0",
+                              "vfe1",
+                              "vfe-lite0",
+                              "vfe-lite1",
+                              "vfe-lite2",
+                              "vfe-lite3",
+                              "vfe-lite4";
+
+            interconnects = <&gem_noc MASTER_APPSS_PROC 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_EBI1 QCOM_ICC_TAG_ALWAYS>,
+                            <&mmss_noc MASTER_CAMNOC_SF QCOM_ICC_TAG_ACTIVE_ONLY
+                             &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;
+            interconnect-names = "ahb",
+                                 "hf_0",
+                                 "sf_0";
+
+            iommus = <&apps_smmu 0x3400 0x20>;
+
+            power-domains = <&camcc CAM_CC_TITAN_TOP_GDSC>;
+            power-domain-names = "top";
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+            };
+        };
+    };





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