[PATCH v5 3/3] dt-bindings: video: Add documentation for rockchip vop
This adds binding documentation for Rockchip SoC VOP driver. Signed-off-by: Mark Yao --- Changes in v2: - rename "lcdc" to "vop" - add vop reset - add iommu node - add port for display-subsystem Changes in v3: None Changes in v4: None Changes in v5: None .../devicetree/bindings/video/rockchip-vop.txt | 58 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/rockchip-vop.txt diff --git a/Documentation/devicetree/bindings/video/rockchip-vop.txt b/Documentation/devicetree/bindings/video/rockchip-vop.txt new file mode 100644 index 000..d15351f --- /dev/null +++ b/Documentation/devicetree/bindings/video/rockchip-vop.txt @@ -0,0 +1,58 @@ +device-tree bindings for rockchip soc display controller (vop) + +VOP (Visual Output Processor) is the Display Controller for the Rockchip +series of SoCs which transfers the image data from a video memory +buffer to an external LCD interface. + +Required properties: +- compatible: value should be one of the following + "rockchip,rk3288-vop"; + +- interrupts: should contain a list of all VOP IP block interrupts in the +order: VSYNC, LCD_SYSTEM. The interrupt specifier +format depends on the interrupt controller used. + +- clocks: must include clock specifiers corresponding to entries in the + clock-names property. + +- clock-names: Must contain + aclk_vop: for ddr buffer transfer. + hclk_vop: for ahb bus to R/W the phy regs. + dclk_vop: pixel clock. + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the following entries: + - axi + - ahb + - dclk + +- iommus: required a iommu node + +- port: A port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: +SoC specific DT entry: + vopb: vopb@ff93 { + compatible = "rockchip,rk3288-vop"; + reg = <0xff93 0x19c>; + interrupts = ; + clocks = < ACLK_VOP0>, < DCLK_VOP0>, < HCLK_VOP0>; + clock-names = "aclk_vop", "dclk_vop", "hclk_vop"; + resets = < SRST_LCDC1_AXI>, < SRST_LCDC1_AHB>, < SRST_LCDC1_DCLK>; + reset-names = "axi", "ahb", "dclk"; + iommus = <_mmu>; + vopb_out: port { + #address-cells = <1>; + #size-cells = <0>; + vopb_out_edp: endpoint@0 { + reg = <0>; + remote-endpoint=<_in_vopb>; + }; + vopb_out_hdmi: endpoint@1 { + reg = <1>; + remote-endpoint=<_in_vopb>; + }; + }; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v5 3/3] dt-bindings: video: Add documentation for rockchip vop
This adds binding documentation for Rockchip SoC VOP driver. Signed-off-by: Mark Yao mark@rock-chips.com --- Changes in v2: - rename lcdc to vop - add vop reset - add iommu node - add port for display-subsystem Changes in v3: None Changes in v4: None Changes in v5: None .../devicetree/bindings/video/rockchip-vop.txt | 58 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/rockchip-vop.txt diff --git a/Documentation/devicetree/bindings/video/rockchip-vop.txt b/Documentation/devicetree/bindings/video/rockchip-vop.txt new file mode 100644 index 000..d15351f --- /dev/null +++ b/Documentation/devicetree/bindings/video/rockchip-vop.txt @@ -0,0 +1,58 @@ +device-tree bindings for rockchip soc display controller (vop) + +VOP (Visual Output Processor) is the Display Controller for the Rockchip +series of SoCs which transfers the image data from a video memory +buffer to an external LCD interface. + +Required properties: +- compatible: value should be one of the following + rockchip,rk3288-vop; + +- interrupts: should contain a list of all VOP IP block interrupts in the +order: VSYNC, LCD_SYSTEM. The interrupt specifier +format depends on the interrupt controller used. + +- clocks: must include clock specifiers corresponding to entries in the + clock-names property. + +- clock-names: Must contain + aclk_vop: for ddr buffer transfer. + hclk_vop: for ahb bus to R/W the phy regs. + dclk_vop: pixel clock. + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the following entries: + - axi + - ahb + - dclk + +- iommus: required a iommu node + +- port: A port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: +SoC specific DT entry: + vopb: vopb@ff93 { + compatible = rockchip,rk3288-vop; + reg = 0xff93 0x19c; + interrupts = GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH; + clocks = cru ACLK_VOP0, cru DCLK_VOP0, cru HCLK_VOP0; + clock-names = aclk_vop, dclk_vop, hclk_vop; + resets = cru SRST_LCDC1_AXI, cru SRST_LCDC1_AHB, cru SRST_LCDC1_DCLK; + reset-names = axi, ahb, dclk; + iommus = vopb_mmu; + vopb_out: port { + #address-cells = 1; + #size-cells = 0; + vopb_out_edp: endpoint@0 { + reg = 0; + remote-endpoint=edp_in_vopb; + }; + vopb_out_hdmi: endpoint@1 { + reg = 1; + remote-endpoint=hdmi_in_vopb; + }; + }; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/