From patchwork Thu Feb 6 14:01:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sasha Finkelstein via B4 Relay X-Patchwork-Id: 13963136 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 9850EC02196 for ; Thu, 6 Feb 2025 14:02:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AB0CD10E85E; Thu, 6 Feb 2025 14:02:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="bUezUB13"; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4327C10E849 for ; Thu, 6 Feb 2025 14:02:01 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id ACCB05C5E76; Thu, 6 Feb 2025 14:01:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id D36D2C4CEE2; Thu, 6 Feb 2025 14:01:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738850519; bh=f+DglNqsF0GBhahZCan5DrNq0Oz15iuAvk2QpZMFvp4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=bUezUB13IeQei33hhzV9Hs5F8PjLZFhH/Z6OSLN75Yp63kDXhrwe8gF5LHeqcrwbL 9GP1sOa196l0FB9EVu0zSQxHSrGqk+isuhYVTBBI2anKs6OWpdYilJ+r+rhqD/YUpN SD+zj2LGbVbSWyEqpVOnGPRf8HXYEKSb7a9nquLdK+SwqHhg8gP8dwTJXKbl84c3F+ kwM2N8A8IBGtD2mCAtMXQtia1Rh/ahNzdBGBEZywHVCwS1dByCWX/XjIlVpyhXjF57 vFL6kpe4cH9WdMa6mhZlE3jjEoUFkQuxVkUZW3bg25FC9UGTWDdOlL/do46fakOsPw V7hGmmvJOCL1w== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id C030AC02196; Thu, 6 Feb 2025 14:01:59 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Thu, 06 Feb 2025 15:01:54 +0100 Subject: [PATCH v6 1/5] dt-bindings: display: Add Apple pre-DCP display controller MIME-Version: 1.0 Message-Id: <20250206-adpdrm-v6-1-c8ab9348b853@gmail.com> References: <20250206-adpdrm-v6-0-c8ab9348b853@gmail.com> In-Reply-To: <20250206-adpdrm-v6-0-c8ab9348b853@gmail.com> To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Jessica Zhang , asahi@lists.linux.dev, Janne Grunau Cc: linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alyssa Ross , Sasha Finkelstein , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1738850518; l=7308; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=L+DtRl+AoX1NvwfwdsVyCcuYMOPBNtcxaSIUYvQWNFA=; b=dgBEyqQi5Xk72a1JhW5rJ6lIgjvCUUAh+9Q6K7LsD+jtO4RZq+utP+GpkMhuXRvVdMS+08tq9 XoDiHhwF5HwCKq0JoTWWXr7iksdgO4htLbyklIu4t1WDFUTM0zZlWSo X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20241124 with auth_id=283 X-Original-From: Sasha Finkelstein 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: , Reply-To: fnkl.kernel@gmail.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Sasha Finkelstein Add bindings for a secondary display controller present on certain Apple laptops. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Sasha Finkelstein --- .../display/apple,h7-display-pipe-mipi.yaml | 83 ++++++++++++++++++++ .../bindings/display/apple,h7-display-pipe.yaml | 88 ++++++++++++++++++++++ .../bindings/display/panel/apple,summit.yaml | 58 ++++++++++++++ 3 files changed, 229 insertions(+) diff --git a/Documentation/devicetree/bindings/display/apple,h7-display-pipe-mipi.yaml b/Documentation/devicetree/bindings/display/apple,h7-display-pipe-mipi.yaml new file mode 100644 index 0000000000000000000000000000000000000000..5e6da66499a508c001670f68fa00d6bab13591d6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/apple,h7-display-pipe-mipi.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/apple,h7-display-pipe-mipi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple pre-DCP display controller MIPI interface + +maintainers: + - Sasha Finkelstein + +description: + The MIPI controller part of the pre-DCP Apple display controller + +allOf: + - $ref: dsi-controller.yaml# + +properties: + compatible: + items: + - enum: + - apple,t8112-display-pipe-mipi + - apple,t8103-display-pipe-mipi + - const: apple,h7-display-pipe-mipi + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input port. Always connected to the primary controller + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output MIPI DSI port to the panel + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - ports + +unevaluatedProperties: false + +examples: + - | + dsi@28200000 { + compatible = "apple,t8103-display-pipe-mipi", "apple,h7-display-pipe-mipi"; + reg = <0x28200000 0xc000>; + power-domains = <&ps_dispdfr_mipi>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + dfr_adp_out_mipi: endpoint { + remote-endpoint = <&dfr_adp_out_mipi>; + }; + }; + + port@1 { + reg = <1>; + + dfr_panel_in: endpoint { + remote-endpoint = <&dfr_mipi_out_panel>; + }; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml b/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml new file mode 100644 index 0000000000000000000000000000000000000000..102fb1804c0c0b84f590e507ca2d526948e98f68 --- /dev/null +++ b/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/apple,h7-display-pipe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple pre-DCP display controller + +maintainers: + - Sasha Finkelstein + +description: + A secondary display controller used to drive the "touchbar" on + certain Apple laptops. + +properties: + compatible: + items: + - enum: + - apple,t8112-display-pipe + - apple,t8103-display-pipe + - const: apple,h7-display-pipe + + reg: + items: + - description: Primary register block, controls planes and blending + - description: + Contains other configuration registers like interrupt + and FIFO control + + reg-names: + items: + - const: be + - const: fe + + power-domains: + description: + Phandles to pmgr entries that are needed for this controller to turn on. + Aside from that, their specific functions are unknown + maxItems: 2 + + interrupts: + items: + - description: Unknown function + - description: Primary interrupt. Vsync events are reported via it + + interrupt-names: + items: + - const: be + - const: fe + + iommus: + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/properties/port + description: Output port. Always connected to apple,h7-display-pipe-mipi + +required: + - compatible + - reg + - interrupts + - port + +additionalProperties: false + +examples: + - | + #include + display-pipe@28200000 { + compatible = "apple,t8103-display-pipe", "apple,h7-display-pipe"; + reg = <0x28200000 0xc000>, + <0x28400000 0x4000>; + reg-names = "be", "fe"; + power-domains = <&ps_dispdfr_fe>, <&ps_dispdfr_be>; + interrupt-parent = <&aic>; + interrupts = , + ; + interrupt-names = "be", "fe"; + iommus = <&displaydfr_dart 0>; + + port { + dfr_adp_out_mipi: endpoint { + remote-endpoint = <&dfr_mipi_in_adp>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/display/panel/apple,summit.yaml b/Documentation/devicetree/bindings/display/panel/apple,summit.yaml new file mode 100644 index 0000000000000000000000000000000000000000..f081755325e97ad58b831893b84082cc10f8d5e3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/apple,summit.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/apple,summit.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple "Summit" display panel + +maintainers: + - Sasha Finkelstein + +description: + An OLED panel used as a touchbar on certain Apple laptops. + Contains a backlight device, which controls brightness of the panel itself. + The backlight common properties are included for this reason + +allOf: + - $ref: panel-common.yaml# + - $ref: /schemas/leds/backlight/common.yaml# + +properties: + compatible: + items: + - enum: + - apple,j293-summit + - apple,j493-summit + - const: apple,summit + + reg: + maxItems: 1 + +required: + - compatible + - reg + - max-brightness + - port + +unevaluatedProperties: false + +examples: + - | + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "apple,j293-summit", "apple,summit"; + reg = <0>; + max-brightness = <255>; + + port { + endpoint { + remote-endpoint = <&dfr_bridge_out>; + }; + }; + }; + }; +...