From patchwork Fri Sep 15 08:53:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13386630 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3649DEE644A for ; Fri, 15 Sep 2023 08:54:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E80310E5E9; Fri, 15 Sep 2023 08:54:52 +0000 (UTC) Received: from laurent.telenet-ops.be (laurent.telenet-ops.be [IPv6:2a02:1800:110:4::f00:19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 37B8F10E5F0 for ; Fri, 15 Sep 2023 08:54:20 +0000 (UTC) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed40:7135:da8b:ba1d:1a7c]) by laurent.telenet-ops.be with bizsmtp id m8uE2A0053q21w7018uEgJ; Fri, 15 Sep 2023 10:54:19 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qh4aJ-003lFx-4D; Fri, 15 Sep 2023 10:54:14 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qh4ac-00Gdam-56; Fri, 15 Sep 2023 10:54:14 +0200 From: Geert Uytterhoeven To: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Thomas Zimmermann , Magnus Damm Subject: [PATCH v4 02/41] dt-bindings: display: Add Renesas SH-Mobile LCDC bindings Date: Fri, 15 Sep 2023 10:53:17 +0200 Message-Id: <6d0a053502abd6555e9a6cbe055e1bdc3329999d.1694767208.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Conor Dooley , Geert Uytterhoeven , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, Rob Herring , Krzysztof Kozlowski Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add device tree bindings for the LCD Controller (LCDC) found in Renesas SuperH SH-Mobile and ARM SH/R-Mobile SOCs. Based on a plain text prototype by Laurent Pinchart. Signed-off-by: Geert Uytterhoeven Reviewed-by: Rob Herring --- Cc: Rob Herring Cc: Krzysztof Kozlowski Cc: Conor Dooley Cc: devicetree@vger.kernel.org v4: - No changes, v3: - Add Reviewed-by, v2: - Add myself as co-maintainer, - Make fck clock required, - Drop ports description referring to obsolete graph.txt, - Condition ports to compatible strings, - Drop label and status from example. Changes compared to Laurent's original: - Convert to json-schema, - Rename compatible values from "renesas,lcdc-" to "renesas,-lcdc", - Add power-domains property, - Add MIPI-DSI port on SH-Mobile AG5, - Update example to reflect reality, - Add to MAINTAINERS. --- .../display/renesas,shmobile-lcdc.yaml | 130 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 131 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml diff --git a/Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml b/Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml new file mode 100644 index 0000000000000000..9816c4cacc7d9a7f --- /dev/null +++ b/Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/renesas,shmobile-lcdc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas SH-Mobile LCD Controller (LCDC) + +maintainers: + - Laurent Pinchart + - Geert Uytterhoeven + +properties: + compatible: + enum: + - renesas,r8a7740-lcdc # R-Mobile A1 + - renesas,sh73a0-lcdc # SH-Mobile AG5 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 5 + description: + Only the functional clock is mandatory. + Some of the optional clocks are model-dependent (e.g. "video" (a.k.a. + "vou" or "dv_clk") is available on R-Mobile A1 only). + + clock-names: + minItems: 1 + items: + - const: fck + - enum: [ media, lclk, hdmi, video ] + - enum: [ media, lclk, hdmi, video ] + - enum: [ media, lclk, hdmi, video ] + - enum: [ media, lclk, hdmi, video ] + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: LCD port (R-Mobile A1 and SH-Mobile AG5) + unevaluatedProperties: false + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: HDMI port (R-Mobile A1 LCDC1 and SH-Mobile AG5) + unevaluatedProperties: false + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: MIPI-DSI port (SH-Mobile AG5) + unevaluatedProperties: false + + required: + - port@0 + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - power-domains + - ports + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: renesas,r8a7740-lcdc + then: + properties: + ports: + properties: + port@2: false + + - if: + properties: + compatible: + contains: + const: renesas,sh73a0-lcdc + then: + properties: + ports: + required: + - port@1 + - port@2 + +examples: + - | + #include + #include + + lcd-controller@fe940000 { + compatible = "renesas,r8a7740-lcdc"; + reg = <0xfe940000 0x4000>; + interrupts = ; + clocks = <&mstp1_clks R8A7740_CLK_LCDC0>, + <&cpg_clocks R8A7740_CLK_M3>, <&lcdlclk0_clk>, + <&vou_clk>; + clock-names = "fck", "media", "lclk", "video"; + power-domains = <&pd_a4lc>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lcdc0_rgb: endpoint { + }; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 70535048b6a96d55..c6d4ea533fbc179a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7034,6 +7034,7 @@ M: Geert Uytterhoeven L: dri-devel@lists.freedesktop.org L: linux-renesas-soc@vger.kernel.org S: Supported +F: Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml F: drivers/gpu/drm/renesas/shmobile/ F: include/linux/platform_data/shmob_drm.h