Re: [PATCH 07/13] dt-bindings: media: camss: Add qcom,sm8550-camss binding

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Hi Depeng,

On 8/12/24 17:41, Depeng Shao wrote:
Add bindings for qcom,sm8550-camss in order to support the camera
subsystem for sm8550.

Co-developed-by: Yongsheng Li <quic_yon@xxxxxxxxxxx>
Signed-off-by: Yongsheng Li <quic_yon@xxxxxxxxxxx>
Signed-off-by: Depeng Shao <quic_depengs@xxxxxxxxxxx>

there are a few more things, which I noticed.

+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        camss: camss@ace4000 {
+            compatible = "qcom,sm8550-camss";
+
+            reg = <0 0x0acb7000 0 0xd00>,
+                  <0 0x0acb9000 0 0xd00>,
+                  <0 0x0acbb000 0 0xd00>,
+                  <0 0x0acca000 0 0xa00>,
+                  <0 0x0acce000 0 0xa00>,
+                  <0 0x0acb6000 0 0x1000>,
+                  <0 0x0ace4000 0 0x2000>,
+                  <0 0x0ace6000 0 0x2000>,
+                  <0 0x0ace8000 0 0x2000>,
+                  <0 0x0acea000 0 0x2000>,
+                  <0 0x0acec000 0 0x2000>,
+                  <0 0x0acee000 0 0x2000>,
+                  <0 0x0acf0000 0 0x2000>,
+                  <0 0x0acf2000 0 0x2000>,
+                  <0 0x0ac62000 0 0xf000>,
+                  <0 0x0ac71000 0 0xf000>,
+                  <0 0x0ac80000 0 0xf000>,
+                  <0 0x0accb000 0 0x2800>,
+                  <0 0x0accf000 0 0x2800>;

Please sort the list above in numerical order, this will change positions
of "vfe_lite0", "vfe_lite1" etc.

Another note, since it's not possible to map less than a page, so I believe
it might make sense to align all sizes to 0x1000.

+            reg-names = "csid0",
+                        "csid1",
+                        "csid2",
+                        "csid_lite0",
+                        "csid_lite1",
+                        "csid_top",
+                        "csiphy0",
+                        "csiphy1",
+                        "csiphy2",
+                        "csiphy3",
+                        "csiphy4",
+                        "csiphy5",
+                        "csiphy6",
+                        "csiphy7",
+                        "vfe0",
+                        "vfe1",
+                        "vfe2",
+                        "vfe_lite0",
+                        "vfe_lite1";
+
+            clocks = <&camcc CAM_CC_CAMNOC_AXI_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_CPAS_IFE_2_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_CSIPHY4_CLK>,
+                     <&camcc CAM_CC_CSI4PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSIPHY5_CLK>,
+                     <&camcc CAM_CC_CSI5PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSIPHY6_CLK>,
+                     <&camcc CAM_CC_CSI6PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSIPHY7_CLK>,
+                     <&camcc CAM_CC_CSI7PHYTIMER_CLK>,
+                     <&camcc CAM_CC_CSID_CSIPHY_RX_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_2_CLK>,
+                     <&camcc CAM_CC_IFE_2_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>,
+                     <&gcc GCC_CAMERA_HF_AXI_CLK>;

Could you please put the &gcc provided clock as the first one in the list?

+
+            clock-names = "camnoc_axi",
+                          "cpas_ahb",
+                          "cpas_fast_ahb_clk",
+                          "cpas_ife_lite",
+                          "cpas_vfe0",
+                          "cpas_vfe1",
+                          "cpas_vfe2",
+                          "csid",
+                          "csiphy0",
+                          "csiphy0_timer",
+                          "csiphy1",
+                          "csiphy1_timer",
+                          "csiphy2",
+                          "csiphy2_timer",
+                          "csiphy3",
+                          "csiphy3_timer",
+                          "csiphy4",
+                          "csiphy4_timer",
+                          "csiphy5",
+                          "csiphy5_timer",
+                          "csiphy6",
+                          "csiphy6_timer",
+                          "csiphy7",
+                          "csiphy7_timer",
+                          "csiphy_rx",
+                          "vfe0",
+                          "vfe0_fast_ahb",
+                          "vfe1",
+                          "vfe1_fast_ahb",
+                          "vfe2",
+                          "vfe2_fast_ahb",
+                          "vfe_lite",
+                          "vfe_lite_ahb",
+                          "vfe_lite_cphy_rx",
+                          "vfe_lite_csid",
+                          "gcc_axi_hf";
+
+            interconnects = <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_CAMERA_CFG 0>,
+                            <&mmss_noc MASTER_CAMNOC_HF 0 &mc_virt SLAVE_EBI1 0>,
+                            <&mmss_noc MASTER_CAMNOC_ICP 0 &mc_virt SLAVE_EBI1 0>,
+                            <&mmss_noc MASTER_CAMNOC_SF 0 &mc_virt SLAVE_EBI1 0>;
+            interconnect-names = "ahb",
+                                 "hf_0_mnoc",
+                                 "icp_mnoc",
+                                 "sf_0_mnoc";

Just a note for myself, interconnect names lost "cam_" prefix, and it should
be fine.

+
+            interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 431 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 477 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 478 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 479 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 448 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 277 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 688 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 606 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>;
+
+            interrupt-names = "csid0",
+                              "csid1",
+                              "csid2",
+                              "csid_lite0",
+                              "csid_lite1",
+                              "csiphy0",
+                              "csiphy1",
+                              "csiphy2",
+                              "csiphy3",
+                              "csiphy4",
+                              "csiphy5",
+                              "csiphy6",
+                              "csiphy7",
+                              "vfe0",
+                              "vfe1",
+                              "vfe2",
+                              "vfe_lite0",
+                              "vfe_lite1";
+
+            iommus = <&apps_smmu 0x800 0x20>;
+
+            power-domains = <&camcc CAM_CC_IFE_0_GDSC>,
+                            <&camcc CAM_CC_IFE_1_GDSC>,
+                            <&camcc CAM_CC_IFE_2_GDSC>,
+                            <&camcc CAM_CC_TITAN_TOP_GDSC>;
+
+            power-domain-names = "ife0",
+                                 "ife1",
+                                 "ife2",
+                                 "top";
+
+            vdda-phy-supply = <&vreg_l1e_0p88>;
+            vdda-pll-supply = <&vreg_l3e_1p2>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;

In case of a single child node #address-cells/#size-cells could be omitted,
if I'm not mistaken about it...

+                port@0 {
+                    reg = <0>;
+                    #address-cells = <1>;
+                    #size-cells = <0>;

Same as above.

+
+                    csiphy_ep0: endpoint@0 {
+                        reg = <0>;
+                        clock-lanes = <7>;
+                        data-lanes = <0 1>;
+                        remote-endpoint = <&sensor_ep>;
+                    };
+                };
+            };
+        };
+    };

--
Best wishes,
Vladimir




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