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-Qualcomm Camera Subsystem
-
-* Properties
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: Should contain one of:
- - "qcom,msm8916-camss"
- - "qcom,msm8996-camss"
- - "qcom,sdm660-camss"
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: Register ranges as listed in the reg-names property.
-- reg-names:
- Usage: required
- Value type: <stringlist>
- Definition: Should contain the following entries:
- - "csiphy0"
- - "csiphy0_clk_mux"
- - "csiphy1"
- - "csiphy1_clk_mux"
- - "csiphy2" (8996 only)
- - "csiphy2_clk_mux" (8996 only)
- - "csid0"
- - "csid1"
- - "csid2" (8996 only)
- - "csid3" (8996 only)
- - "ispif"
- - "csi_clk_mux"
- - "vfe0"
- - "vfe1" (8996 only)
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: Interrupts as listed in the interrupt-names property.
-- interrupt-names:
- Usage: required
- Value type: <stringlist>
- Definition: Should contain the following entries:
- - "csiphy0"
- - "csiphy1"
- - "csiphy2" (8996 only)
- - "csid0"
- - "csid1"
- - "csid2" (8996 only)
- - "csid3" (8996 only)
- - "ispif"
- - "vfe0"
- - "vfe1" (8996 only)
-- power-domains:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: A phandle and power domain specifier pairs to the
- power domain which is responsible for collapsing
- and restoring power to the peripheral.
-- clocks:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: A list of phandle and clock specifier pairs as listed
- in clock-names property.
-- clock-names:
- Usage: required
- Value type: <stringlist>
- Definition: Should contain the following entries:
- - "top_ahb"
- - "throttle_axi" (660 only)
- - "ispif_ahb"
- - "csiphy0_timer"
- - "csiphy1_timer"
- - "csiphy2_timer" (8996 only)
- - "csiphy_ahb2crif" (660 only)
- - "csi0_ahb"
- - "csi0"
- - "csi0_phy"
- - "csi0_pix"
- - "csi0_rdi"
- - "cphy_csid0" (660 only)
- - "csi1_ahb"
- - "csi1"
- - "csi1_phy"
- - "csi1_pix"
- - "csi1_rdi"
- - "cphy_csid1" (660 only)
- - "csi2_ahb" (8996 only)
- - "csi2" (8996 only)
- - "csi2_phy" (8996 only)
- - "csi2_pix" (8996 only)
- - "csi2_rdi" (8996 only)
- - "cphy_csid2" (660 only)
- - "csi3_ahb" (8996 only)
- - "csi3" (8996 only)
- - "csi3_phy" (8996 only)
- - "csi3_pix" (8996 only)
- - "csi3_rdi" (8996 only)
- - "cphy_csid3" (660 only)
- - "ahb"
- - "vfe0"
- - "csi_vfe0"
- - "vfe0_ahb", (8996 only)
- - "vfe0_stream", (8996 only)
- - "vfe1", (8996 only)
- - "csi_vfe1", (8996 only)
- - "vfe1_ahb", (8996 only)
- - "vfe1_stream", (8996 only)
- - "vfe_ahb"
- - "vfe_axi"
-- vdda-supply:
- Usage: required
- Value type: <phandle>
- Definition: A phandle to voltage supply for CSI2.
-- iommus:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: A list of phandle and IOMMU specifier pairs.
-
-* Nodes
-
-- ports:
- Usage: required
- Definition: As described in video-interfaces.txt in same directory.
- Properties:
- - reg:
- Usage: required
- Value type: <u32>
- Definition: Selects CSI2 PHY interface - PHY0, PHY1
- or PHY2 (8996 only)
- Endpoint node properties:
- - clock-lanes:
- Usage: required
- Value type: <u32>
- Definition: The physical clock lane index. On 8916
- the value must always be <1> as the physical
- clock lane is lane 1. On 8996 the value must
- always be <7> as the hardware supports D-PHY
- and C-PHY, indexes are in a common set and
- D-PHY physical clock lane is labeled as 7.
- - data-lanes:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: An array of physical data lanes indexes.
- Position of an entry determines the logical
- lane number, while the value of an entry
- indicates physical lane index. Lane swapping
- is supported. Physical lane indexes for
- 8916: 0, 2, 3, 4; for 8996: 0, 1, 2, 3.
-
-* An Example
-
- camss: camss@1b00000 {
- compatible = "qcom,msm8916-camss";
- reg = <0x1b0ac00 0x200>,
- <0x1b00030 0x4>,
- <0x1b0b000 0x200>,
- <0x1b00038 0x4>,
- <0x1b08000 0x100>,
- <0x1b08400 0x100>,
- <0x1b0a000 0x500>,
- <0x1b00020 0x10>,
- <0x1b10000 0x1000>;
- reg-names = "csiphy0",
- "csiphy0_clk_mux",
- "csiphy1",
- "csiphy1_clk_mux",
- "csid0",
- "csid1",
- "ispif",
- "csi_clk_mux",
- "vfe0";
- interrupts = <GIC_SPI 78 0>,
- <GIC_SPI 79 0>,
- <GIC_SPI 51 0>,
- <GIC_SPI 52 0>,
- <GIC_SPI 55 0>,
- <GIC_SPI 57 0>;
- interrupt-names = "csiphy0",
- "csiphy1",
- "csid0",
- "csid1",
- "ispif",
- "vfe0";
- power-domains = <&gcc VFE_GDSC>;
- clocks = <&gcc GCC_CAMSS_TOP_AHB_CLK>,
- <&gcc GCC_CAMSS_ISPIF_AHB_CLK>,
- <&gcc GCC_CAMSS_CSI0PHYTIMER_CLK>,
- <&gcc GCC_CAMSS_CSI1PHYTIMER_CLK>,
- <&gcc GCC_CAMSS_CSI0_AHB_CLK>,
- <&gcc GCC_CAMSS_CSI0_CLK>,
- <&gcc GCC_CAMSS_CSI0PHY_CLK>,
- <&gcc GCC_CAMSS_CSI0PIX_CLK>,
- <&gcc GCC_CAMSS_CSI0RDI_CLK>,
- <&gcc GCC_CAMSS_CSI1_AHB_CLK>,
- <&gcc GCC_CAMSS_CSI1_CLK>,
- <&gcc GCC_CAMSS_CSI1PHY_CLK>,
- <&gcc GCC_CAMSS_CSI1PIX_CLK>,
- <&gcc GCC_CAMSS_CSI1RDI_CLK>,
- <&gcc GCC_CAMSS_AHB_CLK>,
- <&gcc GCC_CAMSS_VFE0_CLK>,
- <&gcc GCC_CAMSS_CSI_VFE0_CLK>,
- <&gcc GCC_CAMSS_VFE_AHB_CLK>,
- <&gcc GCC_CAMSS_VFE_AXI_CLK>;
- clock-names = "top_ahb",
- "ispif_ahb",
- "csiphy0_timer",
- "csiphy1_timer",
- "csi0_ahb",
- "csi0",
- "csi0_phy",
- "csi0_pix",
- "csi0_rdi",
- "csi1_ahb",
- "csi1",
- "csi1_phy",
- "csi1_pix",
- "csi1_rdi",
- "ahb",
- "vfe0",
- "csi_vfe0",
- "vfe_ahb",
- "vfe_axi";
- vdda-supply = <&pm8916_l2>;
- iommus = <&apps_iommu 3>;
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
- port@0 {
- reg = <0>;
- csiphy0_ep: endpoint {
- clock-lanes = <1>;
- data-lanes = <0 2>;
- remote-endpoint = <&ov5645_ep>;
- };
- };
- };
- };