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author | Todor Tomov <todor.tomov@linaro.org> | 2017-08-08 16:29:59 +0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-08-26 21:47:48 +0300 |
commit | a379e3f61beefc65ab6efdc3af83f1cb82c8d884 (patch) | |
tree | 4084ecda75c5c83914a393fa3c5ca70387c2ec38 /Documentation/devicetree/bindings/media | |
parent | d1b3437ed780cd97b4b1300db96a4d8faae6fea1 (diff) | |
download | linux-a379e3f61beefc65ab6efdc3af83f1cb82c8d884.tar.xz |
media: dt-bindings: media: Binding document for Qualcomm Camera subsystem driver
Add DT binding document for Qualcomm Camera subsystem driver.
CC: Rob Herring <robh+dt@kernel.org>
CC: devicetree@vger.kernel.org
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/devicetree/bindings/media')
-rw-r--r-- | Documentation/devicetree/bindings/media/qcom,camss.txt | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/qcom,camss.txt b/Documentation/devicetree/bindings/media/qcom,camss.txt new file mode 100644 index 000000000000..cadecebc73f7 --- /dev/null +++ b/Documentation/devicetree/bindings/media/qcom,camss.txt @@ -0,0 +1,197 @@ +Qualcomm Camera Subsystem + +* Properties + +- compatible: + Usage: required + Value type: <stringlist> + Definition: Should contain: + - "qcom,msm8916-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" + - "csid0" + - "csid1" + - "ispif" + - "csi_clk_mux" + - "vfe0" +- 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" + - "csid0" + - "csid1" + - "ispif" + - "vfe0" +- 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: + - "camss_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" + - "camss_ahb" + - "camss_vfe_vfe" + - "camss_csi_vfe" + - "iface" + - "bus" +- 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 or PHY1. + Endpoint node properties: + - clock-lanes: + Usage: required + Value type: <u32> + Definition: The physical clock lane index. The value + must always be <1> as the physical clock + lane is lane 1. + - 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. + +* 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 = "camss_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", + "camss_ahb", + "camss_vfe_vfe", + "camss_csi_vfe", + "iface", + "bus"; + 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>; + }; + }; + }; + }; |