From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark yao Subject: [PATCH v3 4/5] dt-bindings: video: Add documentation for rockchip edp Date: Fri, 19 Sep 2014 13:54:56 +0800 Message-ID: <1411106096-502-1-git-send-email-mark.yao@rock-chips.com> References: <1411105668-32722-1-git-send-email-mark.yao@rock-chips.com> Return-path: In-Reply-To: <1411105668-32722-1-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 , 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, xjq-TNX95d0MmH7DzftRWevZcw@public.gmane.org, kfx-TNX95d0MmH7DzftRWevZcw@public.gmane.org, cym-TNX95d0MmH7DzftRWevZcw@public.gmane.org, cf-TNX95d0MmH7DzftRWevZcw@public.gmane.org, zyw-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, wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org, xw-TNX95d0MmH7DzftRWevZcw@public.gmane.org, Mark yao , Jeff Chen List-Id: linux-api@vger.kernel.org Add binding documentation for Rockchip SoC EDP driver. Signed-off-by: Jeff Chen Signed-off-by: Mark Yao --- Changes in v2: - add edp reset - add panel node - add port for display-subsystem Changes in v3: None .../devicetree/bindings/video/rockchip-edp.txt | 50 ++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/rockchip-edp.txt diff --git a/Documentation/devicetree/bindings/video/rockchip-edp.txt b/Documentation/devicetree/bindings/video/rockchip-edp.txt new file mode 100644 index 0000000..515e806 --- /dev/null +++ b/Documentation/devicetree/bindings/video/rockchip-edp.txt @@ -0,0 +1,50 @@ +Rockchip RK3288 EDP interface +================================ + +Required properties: +- compatible: "rockchip,rk3288-edp"; + +- reg: physical base address of the controller and length +- clocks: from common clock binding: handle to dp clock. + of memory mapped region. +- clock-names: from common clock binding: + Required elements: "clk_edp" + "clk_edp_24m" + "pclk_edp" +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the name "edp" + +- rockchip,grf: this soc should set GRF regs, so need get grf here. +- rockchip,panel: required a simple panel node as described by + Documentation/devicetree/bindings/panel/simple-panel.txt + +- ports: contain a port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: + edp: edp@ff970000 { + compatible = "rockchip,rk3288-edp"; + reg = <0xff970000 0x4000>; + interrupts = ; + clocks = <&cru SCLK_EDP>, <&cru SCLK_EDP_24M>, <&cru PCLK_EDP_CTRL>; + clock-names = "clk_edp", "clk_edp_24m", "pclk_edp"; + rockchip,grf = <&grf>; + resets = <&cru 111>; + reset-names = "edp"; + rockchip,panel = <&panel>; + ports { + edp_in: port { + #address-cells = <1>; + #size-cells = <0>; + edp_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_edp>; + }; + edp_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_edp>; + }; + }; + }; + }; -- 1.7.9.5