From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752321AbbJaGky (ORCPT ); Sat, 31 Oct 2015 02:40:54 -0400 Received: from lucky1.263xmail.com ([211.157.147.133]:54309 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751373AbbJaGkw (ORCPT ); Sat, 31 Oct 2015 02:40:52 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 1 X-RL-SENDER: ykk@rock-chips.com X-FST-TO: linux-arm-kernel@lists.infradead.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: <9d3fdfff3740da9febd9032444f3e6ec> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: [PATCH v9 09/17] dt-bindings: add document for rockchip variant of analogix_dp To: Inki Dae , Andrzej Hajda , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Jingoo Han , Thierry Reding , Krzysztof Kozlowski , Rob Herring , Heiko Stuebner , Mark Yao References: <1446020143-32645-1-git-send-email-ykk@rock-chips.com> <1446273045-14736-1-git-send-email-ykk@rock-chips.com> Cc: Russell King , djkurtz@chromium.org, dianders@chromium.org, Sean Paul , Kukjin Kim , Kumar Gala , emil.l.velikov@gmail.com, Ian Campbell , Gustavo Padovan , Kishon Vijay Abraham I , Pawel Moll , ajaynumb@gmail.com, robherring2@gmail.com, javier@osg.samsung.com, Andy Yan , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org From: Yakir Yang Message-ID: <5634626B.8040405@rock-chips.com> Date: Sat, 31 Oct 2015 14:40:43 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <1446273045-14736-1-git-send-email-ykk@rock-chips.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/31/2015 02:30 PM, Yakir Yang wrote: > 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. > > Signed-off-by: Yakir Yang > > Signed-off-by: Yakir Yang > Reviewed-by: Heiko Stuebner Sorry about the duplicate signed-off, I would send a new version now. > --- > 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@ff970000 { > + compatible = "rockchip,rk3288-dp"; > + reg = <0xff970000 0x4000>; > + interrupts = ; > + 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>; > + }; > + }; > + };