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Sun, 19 Apr 2026 20:12:15 -0700 (PDT) X-Received: by 2002:a17:903:3905:b0:2b0:7e4d:f43f with SMTP id d9443c01a7336-2b5f9ffe73amr112669635ad.41.1776654735266; Sun, 19 Apr 2026 20:12:15 -0700 (PDT) MIME-Version: 1.0 References: <20260420023354.1192642-1-syyang@lontium.com> <20260420023354.1192642-2-syyang@lontium.com> In-Reply-To: <20260420023354.1192642-2-syyang@lontium.com> From: Dmitry Baryshkov Date: Mon, 20 Apr 2026 06:12:09 +0300 X-Gm-Features: AQROBzCSFGtiR6FT4_RuPPkrIrQ_huU99l3J_ksJ3m7ehGSiWAi3jzOQFLL_AXU Message-ID: Subject: Re: [PATCH 1/2] dt-bindings:bridge Add LT7911EXC binding To: syyang@lontium.com Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, maarten.lankhorst@linux.intel.com, rfoss@kernel.org, mripard@kernel.org, Laurent.pinchart@ideasonboard.com, tzimmermann@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, yangsunyun1993@gmail.com, xmzhu@lontium.corp-partner.google.com Content-Type: text/plain; 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Please check why. You might need to switch to B4 Web relay submission, if there are any issues with the SMTP on your side. On Mon, 20 Apr 2026 at 05:34, wrote: > > From: Sunyun Yang > > -binding for lt7911exc. Less is more, but here please settle for slightly more information about the chip. > > Signed-off-by: Sunyun Yang > --- > .../display/bridge/lontium,lt7911exc.yaml | 91 +++++++++++++++++++ > 1 file changed, 91 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml > new file mode 100644 > index 000000000000..54a73d41635a > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml > @@ -0,0 +1,91 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/lontium,lt7911exc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Lontium LT7911EXC eDP to MIPI Bridge > + > +maintainers: > + - Sunyun Yang > + > +properties: > + compatible: > + enum: > + - lontium,lt7911exc > + > + reg: > + maxItems: 1 > + > + reset-gpios: > + maxItems: 1 > + description: GPIO connected to RST_ pin. > + > + vdd-supply: > + description: Regulator for 1.2V MIPI phy power. > + > + vcc-supply: > + description: Regulator for 3.3V IO power. > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: Video port for mipi dsi output. MIPI, DSI > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: Video port for eDP input. > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reg > + - reset-gpios > + - vdd-supply > + - vcc-supply > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + #include > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + mipi-bridge@41 { > + compatible = "lontium,lt7911exc"; > + reg = <0x41>; > + reset-gpios = <&gpy8 8 GPIO_ACTIVE_HIGH>; Reset pins are usually active low. > + vdd-supply = <<7911exc_1v2>; > + vcc-supply = <<7911exc_3v3>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + bridge_out: endpoint { > + remote-endpoint = <&panel_in>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + bridge_in: endpoint { > + remote-endpoint = <&edp_out>; > + }; > + }; > + }; > + }; > + }; -- With best wishes Dmitry