From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D366D38657E; Mon, 27 Jul 2026 20:29:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785184177; cv=none; b=BMZNhTn2lzn6QxOsRSQtwoLiieKIFWQAU42J49qqDnkF8YdDYpxVjAU97OFuMw8hQ7ZyIZrzgPVH7dMfNI9BZAT69qDMudSFHgTENinzlRAgz4MN7hEwkhH6WBFGS3uxIbTkQhzWP1FNHQq2TAccjjhrsyDXuiEiU4LPpEhugS8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785184177; c=relaxed/simple; bh=Kdjg1rajS8cAG0WAE+1RmS+9GaYG6ZKuLeGP9a00ncY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=caqxPWhrpIio1dqUedHTpvjObXt2uxc2l38aYoX5PGlu4eF019TtiviavFoJsbkQzGtGxGaY913Z9/dZHCx+UMd6AhauANKq7NCgEjRTVednJkIgtayByVRKm7JZ7c/iQuzJb1Gx8y7an3tlQEbVnLw7gBwhHy7Ew2jq1sK2nVE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VOccvNly; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VOccvNly" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F07A81F000E9; Mon, 27 Jul 2026 20:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785184175; bh=hma6c/O+4dubSDjB1fhfl/X7eMkAj80EhqTMeqQfkeg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=VOccvNlyG487f3FXDFLQ+/ir23zrzc10+Fjvvnzas4sykIwsEHeuNU+vqaGx2DfsK mvq64BQKNGexQ0UDKrRO6W/6vKivWPz29429jBm3jpkawTdG1FQ+LrIYb7ux+EzqbM 1/32w0U1EDq1W0H6hi1t9bx+bSqRmNTWlmkP0At6OTneAvubLe7jrQ506heaxVaUbq 9MP0og7ev98B+3pmIr1nQ4vMUy0nvvGPRXD8KG671/9EMgqWDCxyhXrgoC2viF+TKy 7aMHe+25qJcNh4DlhAiymQ/OT4CfgCYYcvtlB5qglJ0jCABg9MsGqX20tLlMCliklw TCbW3jKMcjpWw== Date: Mon, 27 Jul 2026 22:29:31 +0200 From: Krzysztof Kozlowski To: Jun Nie Cc: Rob Clark , Dmitry Baryshkov , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v5 5/6] dt-bindings: display: Add Synaptics R63455 panel support Message-ID: <20260727-spotted-winged-mantis-7aa1ce@quoll> References: <20260727-sm8650-7-1-bonded-dsi-v5-0-c042266b9eeb@linaro.org> <20260727-sm8650-7-1-bonded-dsi-v5-5-c042266b9eeb@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260727-sm8650-7-1-bonded-dsi-v5-5-c042266b9eeb@linaro.org> On Mon, Jul 27, 2026 at 04:08:44PM +0800, Jun Nie wrote: > Add support for the dual-panel system found in the virtual reality device. > This system consists of two physical 2160x2160 panels, each connected via > a MIPI DSI interface. The backlight is managed through DSI link. > > Signed-off-by: Jun Nie > --- > .../bindings/display/panel/synaptics,r63455.yaml | 133 +++++++++++++++++++++ > 1 file changed, 133 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/panel/synaptics,r63455.yaml b/Documentation/devicetree/bindings/display/panel/synaptics,r63455.yaml > new file mode 100644 > index 0000000000000..c3bc8df981df7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/panel/synaptics,r63455.yaml > @@ -0,0 +1,133 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/panel/synaptics,r63455.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Synaptics R63455 based dual 2160x2160 MIPI-DSI Panel > + > +maintainers: > + - Jun Nie > + > +description: > + Synaptics R63455 is a Virtual Reality Display Driver and VR Bridge, used in > + pair in Headset devices. The Virtual Reality Display complex is composed of > + two strictly identical display panels, each driven by its own DSI interface > + but forms a single virtual display for the human eye perception and thus > + requires a strict synchronization of the two display panel content update. > + > +allOf: > + - $ref: panel-common.yaml# > + > +properties: > + compatible: > + items: > + - enum: > + - sharp,ls026b3sa06 > + - boe,vs026c4m-n52-6000 Not build checked. Please use tools, not humans for trivial things. > + - const: synaptics,r63455 > + > + reg: > + maxItems: 1 > + description: DSI virtual channel > + > + reset-gpios: > + maxItems: 2 > + description: 2 reset pins for 2 physical panels Won't work. gpio-consumer-common expects only one reset line. You need two separate properties. > + > + left-pos-supply: > + description: Positive 5.7V supply for left panel > + > + right-pos-supply: > + description: Positive 5.7V supply for right panel > + > + left-neg-supply: > + description: Negative 5.7V supply for left panel > + > + right-neg-supply: > + description: Negative 5.7V supply for right panel > + > + left-backlight-supply: > + description: Backlight 21V supply for left panel > + > + right-backlight-supply: > + description: Backlight 21V supply for right panel > + > + vdda-supply: > + description: core 1.8V supply for panels > + > + ports: > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: DSI input port for primary DSI link > + > + port@1: > + $ref: /schemas/graph.yaml#/properties/port > + description: DSI input port for secondary DSI link > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reset-gpios > + - left-pos-supply > + - left-neg-supply > + - right-pos-supply > + - right-neg-supply > + - left-backlight-supply > + - right-backlight-supply > + - vdda-supply > + > +additionalProperties: false > + > +examples: > + - | > + #include > + --- > + dsi@ae94000 { > + vdda-supply = <&vreg_l3i_1p2>; > + status = "okay"; > + > + qcom,dual-dsi-mode; > + qcom,master-dsi; None of above is relevant. Drop > + > + panel: panel@0 { Unused label. > + compatible = "sharp,ls026b3sa06", "synaptics,r63455"; > + reg = <0>; > + > + reset-gpios = <&pm8550_gpios 3 GPIO_ACTIVE_HIGH>, > + <&pm8550_gpios 11 GPIO_ACTIVE_HIGH>; > + > + left-pos-supply = <&vpos_left>; > + left-neg-supply = <&vneg_left>; > + right-pos-supply = <&vpos_right>; > + right-neg-supply = <&vneg_right>; > + left-backlight-supply = <&backlight_left>; > + right-backlight-supply = <&backlight_right>; > + > + vdda-supply = <&vreg_l12b_1p8>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + port@0 { > + reg = <0>; > + panel0_in: endpoint { > + remote-endpoint = <&dsi0_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + panel1_in: endpoint { > + remote-endpoint = <&dsi1_out>; > + }; > + }; > + }; > + }; > + }; > + > +... > > -- > 2.43.0 >