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Date: Fri, 26 Oct 2018 20:13:36 +0530 From: Jagan Teki <jagan@...rulasolutions.com> To: Maxime Ripard <maxime.ripard@...tlin.com>, Chen-Yu Tsai <wens@...e.org>, Icenowy Zheng <icenowy@...c.io>, Jernej Skrabec <jernej.skrabec@...l.net>, Vasily Khoruzhick <anarsoul@...il.com>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org, Michael Trimarchi <michael@...rulasolutions.com>, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com Cc: Jagan Teki <jagan@...rulasolutions.com> Subject: [PATCH v3 17/25] dt-bindings: panel: Add Bananapi S070WV20-CT16 ICN6211 MIPI-DSI to RGB bridge 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 <jagan@...rulasolutions.com> --- 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
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