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Diffstat (limited to 'Documentation/devicetree/bindings/media/qcom,camss.txt')
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diff --git a/Documentation/devicetree/bindings/media/qcom,camss.txt b/Documentation/devicetree/bindings/media/qcom,camss.txt new file mode 100644 index 000000000..09eb6ed99 --- /dev/null +++ b/Documentation/devicetree/bindings/media/qcom,camss.txt @@ -0,0 +1,229 @@ +Qualcomm Camera Subsystem + +* Properties + +- compatible: + Usage: required + Value type: <stringlist> + Definition: Should contain one of: + - "qcom,msm8916-camss" + - "qcom,msm8996-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" + - "ispif_ahb" + - "csiphy0_timer" + - "csiphy1_timer" + - "csiphy2_timer" (8996 only) + - "csi0_ahb" + - "csi0" + - "csi0_phy" + - "csi0_pix" + - "csi0_rdi" + - "csi1_ahb" + - "csi1" + - "csi1_phy" + - "csi1_pix" + - "csi1_rdi" + - "csi2_ahb" (8996 only) + - "csi2" (8996 only) + - "csi2_phy" (8996 only) + - "csi2_pix" (8996 only) + - "csi2_rdi" (8996 only) + - "csi3_ahb" (8996 only) + - "csi3" (8996 only) + - "csi3_phy" (8996 only) + - "csi3_pix" (8996 only) + - "csi3_rdi" (8996 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>; + }; + }; + }; + }; |