From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulrich Hecht Subject: [PATCH v20 1/2] Documentation: bridge: Add documentation for ps8640 DT properties Date: Mon, 7 Oct 2019 10:22:28 +0200 Message-ID: <1570436549-8694-2-git-send-email-uli@fpond.eu> References: <1570436549-8694-1-git-send-email-uli@fpond.eu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1570436549-8694-1-git-send-email-uli-qwV78thtvt0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, jitao.shi-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, Ulrich Hecht , stonea168-9Onoh4P/yGk@public.gmane.org, ajaykumar.rs-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, vpalatin-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, cawa.cheng-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, bibby.hsieh-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, ck.hu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, yingjoe.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, inki.dae-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, rahul.sharma-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org, andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org List-Id: devicetree@vger.kernel.org From: Jitao Shi Add documentation for DT properties supported by ps8640 DSI-eDP converter. Signed-off-by: Jitao Shi Acked-by: Rob Herring Reviewed-by: Philipp Zabel Signed-off-by: Ulrich Hecht --- Changes since v15: - No change. Changes since v14: - change mode-sel-gpios as optional. .../devicetree/bindings/display/bridge/ps8640.txt | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/ps8640.txt diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.txt b/Documentation/devicetree/bindings/display/bridge/ps8640.txt new file mode 100644 index 0000000..7b13f92 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ps8640.txt @@ -0,0 +1,44 @@ +ps8640-bridge bindings + +Required properties: + - compatible: "parade,ps8640" + - reg: first page address of the bridge. + - sleep-gpios: OF device-tree gpio specification for PD pin. + - reset-gpios: OF device-tree gpio specification for reset pin. + - vdd12-supply: OF device-tree regulator specification for 1.2V power. + - vdd33-supply: OF device-tree regulator specification for 3.3V power. + - ports: The device node can contain video interface port nodes per + the video-interfaces bind[1]. For port@0,set the reg = <0> as + ps8640 dsi in and port@1,set the reg = <1> as ps8640 eDP out. + +Optional properties: + - mode-sel-gpios: OF device-tree gpio specification for mode-sel pin. +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + edp-bridge@18 { + compatible = "parade,ps8640"; + reg = <0x18>; + sleep-gpios = <&pio 116 GPIO_ACTIVE_LOW>; + reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>; + mode-sel-gpios = <&pio 92 GPIO_ACTIVE_HIGH>; + vdd12-supply = <&ps8640_fixed_1v2>; + vdd33-supply = <&mt6397_vgp2_reg>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + ps8640_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + port@1 { + reg = <1>; + ps8640_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; -- 2.7.4