[PATCH 01/10] doc: DT: camss: Binding document for Qualcomm Camera subsystem driver

[Todor Tomov]

Add DT binding document for Qualcomm Camera subsystem driver.

Signed-off-by: Todor Tomov <todor.tomov@xxxxxxxxxx>
---
 .../devicetree/bindings/media/qcom,camss.txt       | 196 +++++++++++++++++++++
 1 file changed, 196 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/qcom,camss.txt

diff --git a/Documentation/devicetree/bindings/media/qcom,camss.txt b/Documentation/devicetree/bindings/media/qcom,camss.txt
new file mode 100644
index 0000000..76ad89a
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,camss.txt
@@ -0,0 +1,196 @@
+Qualcomm Camera Subsystem
+
+* Properties
+
+- compatible:
+	Usage: required
+	Value type: <stringlist>
+	Definition: Should contain:
+		- "qcom,8x16-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_clk"
+		- "ispif_ahb_clk"
+		- "csiphy0_timer_clk"
+		- "csiphy1_timer_clk"
+		- "csi0_ahb_clk"
+		- "csi0_clk"
+		- "csi0_phy_clk"
+		- "csi0_pix_clk"
+		- "csi0_rdi_clk"
+		- "csi1_ahb_clk"
+		- "csi1_clk"
+		- "csi1_phy_clk"
+		- "csi1_pix_clk"
+		- "csi1_rdi_clk"
+		- "camss_ahb_clk"
+		- "camss_vfe_vfe_clk"
+		- "camss_csi_vfe_clk"
+		- "iface_clk"
+		- "bus_clk"
+- 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 clock lane.
+		- data-lanes:
+			Usage: required
+			Value type: <prop-encoded-array>
+			Definition: An array of data lanes.
+		- qcom,settle-cnt:
+			Usage: required
+			Value type: <u32>
+			Definition: The settle count parameter for CSI PHY.
+
+* An Example
+
+	camss: camss@1b00000 {
+		compatible = "qcom,8x16-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_clk",
+			"ispif_ahb_clk",
+			"csiphy0_timer_clk",
+			"csiphy1_timer_clk",
+			"csi0_ahb_clk",
+			"csi0_clk",
+			"csi0_phy_clk",
+			"csi0_pix_clk",
+			"csi0_rdi_clk",
+			"csi1_ahb_clk",
+			"csi1_clk",
+			"csi1_phy_clk",
+			"csi1_pix_clk",
+			"csi1_rdi_clk",
+			"camss_ahb_clk",
+			"camss_vfe_vfe_clk",
+			"camss_csi_vfe_clk",
+			"iface_clk",
+			"bus_clk";
+		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>;
+					qcom,settle-cnt = <0xe>;
+					remote-endpoint = <&ov5645_ep>;
+				};
+			};
+		};
+	};
-- 
1.9.1