From nobody Tue Feb 10 02:28:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12E16C7EE2E for ; Tue, 23 May 2023 08:23:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235658AbjEWIXY (ORCPT ); Tue, 23 May 2023 04:23:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236181AbjEWIWl (ORCPT ); Tue, 23 May 2023 04:22:41 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 910ED199E for ; Tue, 23 May 2023 01:19:54 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q1NFB-00042m-Vo; Tue, 23 May 2023 10:19:46 +0200 Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1q1NFA-002CaT-VV; Tue, 23 May 2023 10:19:44 +0200 Received: from localhost ([::1] helo=dude03.red.stw.pengutronix.de) by dude03.red.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1q1NF9-006uEf-PF; Tue, 23 May 2023 10:19:43 +0200 From: Johannes Zink Date: Tue, 23 May 2023 10:19:42 +0200 Subject: [PATCH v2 2/3] dt-bindings: display: simple: support non-default data-mapping MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230523-simplepanel_support_nondefault_datamapping-v2-2-87196f0d0b64@pengutronix.de> References: <20230523-simplepanel_support_nondefault_datamapping-v2-0-87196f0d0b64@pengutronix.de> In-Reply-To: <20230523-simplepanel_support_nondefault_datamapping-v2-0-87196f0d0b64@pengutronix.de> To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Laurent Pinchart , Thierry Reding , Neil Armstrong , Sam Ravnborg Cc: kernel test robot , Dan Carpenter , patchwork-jzi@pengutronix.de, kernel@pengutronix.de, Laurent Pinchart , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johannes Zink X-Mailer: b4 0.12.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: j.zink@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some Displays support more than just a single default lvds data mapping, which can be used to run displays on only 3 LVDS lanes in the jeida-18 data-mapping mode. Add an optional data-mapping property to allow overriding the default data mapping. As it does not generally apply to any display and bus: use it selectively on the innolux,g101ice-l01, which supports changing the data mapping via a strapping pin. Signed-off-by: Johannes Zink Reviewed-by: Conor Dooley --- Changes: v1 -> v2: - worked in Rob's review findings (thanks for reviewing my work): use extracted common property instead of duplicating the property - refined commit message - add an example dts for automated checking --- .../bindings/display/panel/panel-simple.yaml | 26 ++++++++++++++++++= +++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.y= aml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml index ec50dd268314..698301c8c920 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml @@ -21,9 +21,9 @@ description: | =20 allOf: - $ref: panel-common.yaml# + - $ref: ../lvds-data-mapping.yaml# =20 properties: - compatible: enum: # compatible must be listed in alphabetical order, ordered by compatib= le. @@ -353,6 +353,17 @@ properties: power-supply: true no-hpd: true hpd-gpios: true + data-mapping: true + +if: + not: + properties: + compatible: + contains: + const: innolux,g101ice-l01 +then: + properties: + data-mapping: false =20 additionalProperties: false =20 @@ -372,3 +383,16 @@ examples: }; }; }; + - | + panel_lvds: panel-lvds { + compatible =3D "innolux,g101ice-l01"; + power-supply =3D <&vcc_lcd_reg>; + + data-mapping =3D "jeida-24"; + + port { + panel_in_lvds: endpoint { + remote-endpoint =3D <<dc_out_lvds>; + }; + }; + }; --=20 2.39.2