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Message-Id: <1446273737-15262-1-git-send-email-ykk@rock-chips.com> Date: Sat, 31 Oct 2015 14:42:17 +0800 From: Yakir Yang <ykk@...k-chips.com> To: Inki Dae <inki.dae@...sung.com>, Andrzej Hajda <a.hajda@...sung.com>, Joonyoung Shim <jy0922.shim@...sung.com>, Seung-Woo Kim <sw0312.kim@...sung.com>, Kyungmin Park <kyungmin.park@...sung.com>, Jingoo Han <jingoohan1@...il.com>, Thierry Reding <treding@...dia.com>, Krzysztof Kozlowski <k.kozlowski@...sung.com>, Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, Mark Yao <mark.yao@...k-chips.com> Cc: Russell King <linux@....linux.org.uk>, djkurtz@...omium.org, dianders@...omium.org, Sean Paul <seanpaul@...omium.org>, Kukjin Kim <kgene@...nel.org>, Kumar Gala <galak@...eaurora.org>, emil.l.velikov@...il.com, Ian Campbell <ijc+devicetree@...lion.org.uk>, Gustavo Padovan <gustavo.padovan@...labora.co.uk>, Kishon Vijay Abraham I <kishon@...com>, Pawel Moll <pawel.moll@....com>, ajaynumb@...il.com, robherring2@...il.com, javier@....samsung.com, Andy Yan <andy.yan@...k-chips.com>, Yakir Yang <ykk@...k-chips.com>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, linux-rockchip@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org Subject: [PATCH v10 09/17] dt-bindings: add document for rockchip variant of analogix_dp Rockchip DP driver is a helper driver of analogix_dp coder driver, so most of the DT property should be descriped in analogix_dp document. Reviewed-by: Heiko Stuebner <heiko@...ech.de> Signed-off-by: Yakir Yang <ykk@...k-chips.com> --- Changes in v10: - Removed the duplicated signed-of. Changes in v9: - Document more details for 'ports' property. Changes in v8: - Modify the commit subject name. (Heiko) Changes in v7: None Changes in v6: None Changes in v5: - Split binding doc's from driver changes. (Rob) - Add eDP hotplug pinctrl property. (Heiko) Changes in v4: None Changes in v3: None Changes in v2: None .../display/rockchip/analogix_dp-rockchip.txt | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt diff --git a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt new file mode 100644 index 0000000..dae86c4 --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt @@ -0,0 +1,91 @@ +Rockchip RK3288 specific extensions to the Analogix Display Port +================================ + +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: "dp" "pclk" + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + +- pinctrl-names: Names corresponding to the chip hotplug pinctrl states. +- pinctrl-0: pin-control mode. should be <&edp_hpd> + +- reset-names: Must include the name "dp" + +- rockchip,grf: this soc should set GRF regs, so need get grf here. + +- ports: there are 2 port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + Port 0: contained 2 endpoints, connecting to the ouput of vop. + Port 1: contained 1 endpoint, connecting to the input of panel. + +For the below properties, please refer to Analogix DP binding document: + * Documentation/devicetree/bindings/drm/bridge/analogix_dp.txt +- phys (required) +- phy-names (required) +- hpd-gpios (optional) +------------------------------------------------------------------------------- + +Example: + dp-controller: dp@...70000 { + compatible = "rockchip,rk3288-dp"; + reg = <0xff970000 0x4000>; + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>; + clock-names = "dp", "pclk"; + phys = <&dp_phy>; + phy-names = "dp"; + + rockchip,grf = <&grf>; + resets = <&cru 111>; + reset-names = "dp"; + + pinctrl-names = "default"; + pinctrl-0 = <&edp_hpd>; + + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + edp_in: port@0 { + reg = <0>; + #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>; + }; + }; + + edp_out: port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + edp_out_panel: endpoint { + reg = <0>; + remote-endpoint = <&panel_in_edp> + }; + }; + }; + }; + + pinctrl { + edp { + edp_hpd: edp-hpd { + rockchip,pins = <7 11 RK_FUNC_2 &pcfg_pull_none>; + }; + }; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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