From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Yao Subject: [PATCH v15 3/3] dt-bindings: video: Add documentation for rockchip vop Date: Tue, 2 Dec 2014 17:18:11 +0800 Message-ID: <1417511891-7232-1-git-send-email-mark.yao@rock-chips.com> References: <1417511600-7054-1-git-send-email-mark.yao@rock-chips.com> Return-path: In-Reply-To: <1417511600-7054-1-git-send-email-mark.yao-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, Boris BREZILLON , David Airlie , Rob Clark , Daniel Vetter , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Randy Dunlap , Grant Likely , Greg Kroah-Hartman , John Stultz , Rom Lemarchand Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, marcheu-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, dbehr-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org, djkurtz-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, cf-TNX95d0MmH7DzftRWevZcw@public.gmane.org, xxm-TNX95d0MmH7DzftRWevZcw@public.gmane.org, huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org, kever.yang-TNX95d0MmH7DzftRWevZcw@public.gmane.org, yxj-TNX95d0MmH7DzftRWevZcw@public.gmane.org, xw-TNX95d0MmH7DzftRWevZcw@public.gmane.org, Mark Yao List-Id: devicetree@vger.kernel.org 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 Changes in v6: None Changes in v7: None Changes in v8: None Changes in v9: None Changes in v10: None Changes in v11: None Changes in v12: None Changes in v13: None Changes in v14: None Changes in v15: 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 0000000..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@ff930000 { + compatible = "rockchip,rk3288-vop"; + reg = <0xff930000 0x19c>; + interrupts = ; + 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