From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jagan Teki Subject: [PATCH v3 17/25] dt-bindings: panel: Add Bananapi S070WV20-CT16 ICN6211 MIPI-DSI to RGB bridge Date: Fri, 26 Oct 2018 20:13:36 +0530 Message-ID: <20181026144344.27778-18-jagan@amarulasolutions.com> References: <20181026144344.27778-1-jagan@amarulasolutions.com> Reply-To: jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20181026144344.27778-1-jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Vasily Khoruzhick , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , David Airlie , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Michael Turquette , Stephen Boyd , linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Michael Trimarchi , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Cc: Jagan Teki List-Id: devicetree@vger.kernel.org Bananapi S070WV20-CT16 ICN6211 is 800x480, 4-lane MIPI-DSI to RGB bridge panel, which is available on same PCB with 24-bit RGB interface. So, this patch adds DSI specific binding details on existing dt-bindings file. Signed-off-by: Jagan Teki --- Changes for v3: - Use existing binding doc and update dsi details Changes for v2: - none .../display/panel/bananapi,s070wv20-ct16.txt | 31 +++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt index 35bc0c839f49..b7855dc7c66f 100644 --- a/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt +++ b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt @@ -1,12 +1,39 @@ Banana Pi 7" (S070WV20-CT16) TFT LCD Panel +S070WV20-CT16 is 7" 800x480 panel connected through a 24-bit RGB interface. + +Depending on the variant, the PCB attached to the panel module either +supports DSI, or DSI + 24-bit RGB. DSI is converted to 24-bit RGB via +an onboard ICN6211 MIPI DSI - RGB bridge chip, then fed to the panel +itself + Required properties: -- compatible: should be "bananapi,s070wv20-ct16" +- compatible: + for 24-bit RGB interface, use "bananapi,s070wv20-ct16" + for ICN6211 MIPI-DSI to RGB bridge, use "bananapi,s070wv20-ct16-icn6211" + +Required properties for RGB: - power-supply: see ./panel-common.txt +Required properties for MIPI-DSI to RGB: +- reg: for DSI virtual channel used by that screen +- avdd-supply: analog regulator dc1 switch +- dvdd-supply: 3v3 digital regulator +- reset-gpios: a GPIO phandle for the reset pin + Optional properties: -- enable-gpios: see ./simple-panel.txt +- enable-gpios: see ./simple-panel.txt(not available in MIPI-DSI to RGB bridge) - backlight: see ./simple-panel.txt This binding is compatible with the simple-panel binding, which is specified in ./simple-panel.txt. + +Example: +panel@0 { + compatible = "bananapi,s070wv20-ct16-icn6211"; + reg = <0>; + avdd-supply = <®_dc1sw>; + dvdd-supply = <®_dldo1>; + reset-gpios = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */ + backlight = <&backlight_dsi>; +}; -- 2.18.0.321.gffc6fa0e3