From patchwork Wed Feb 22 16:55:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sui Jingfeng X-Patchwork-Id: 13149350 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 5ADFCC636D6 for ; Wed, 22 Feb 2023 16:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232349AbjBVQzZ (ORCPT ); Wed, 22 Feb 2023 11:55:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232399AbjBVQzX (ORCPT ); Wed, 22 Feb 2023 11:55:23 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1432D12BCA; Wed, 22 Feb 2023 08:55:18 -0800 (PST) Received: from loongson.cn (unknown [10.20.42.133]) by gateway (Coremail) with SMTP id _____8CxC9r0SPZjf6YDAA--.7811S3; Thu, 23 Feb 2023 00:55:16 +0800 (CST) Received: from openarena.loongson.cn (unknown [10.20.42.133]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxTL7ySPZjRes4AA--.38394S3; Thu, 23 Feb 2023 00:55:15 +0800 (CST) From: suijingfeng To: Thomas Zimmermann , David Airlie , Daniel Vetter , Rob Herring , Thomas Bogendoerfer , Krzysztof Kozlowski , suijingfeng Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 2/2] dt-bindings: display: Add Loongson display controller Date: Thu, 23 Feb 2023 00:55:14 +0800 Message-Id: <20230222165514.684729-2-suijingfeng@loongson.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230222165514.684729-1-suijingfeng@loongson.cn> References: <20230222165514.684729-1-suijingfeng@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxTL7ySPZjRes4AA--.38394S3 X-CM-SenderInfo: xvxlyxpqjiv03j6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjvJXoW7tF48ur1DKF45Gw47XF4xWFg_yoW8uFW5pa nxCan7Gr4jqFnFy3yfta48Wr45Zr95AFn7GFsrJw17K3srWayFvw15KF1kXF47GF9rZa4j vFy0gF4xK3Z7Cw7anT9S1TB71UUUUjDqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bfkYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVW8JVW8Jr1ln4kS 14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2 AFwI0_JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xF xVAFwI0_JF0_Jw1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWw C2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_ Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJV WUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIY CTnIWIevJa73UjIFyTuYvjxU4Xo7DUUUU Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This patch add a trival DT usages for loongson display controller found in LS2k1000 SoC. Signed-off-by: suijingfeng --- .../loongson/loongson,display-controller.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml diff --git a/Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml b/Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml new file mode 100644 index 000000000000..98b78f449a80 --- /dev/null +++ b/Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/loongson/loongson,display-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson Display Controller Device Tree Bindings + +maintainers: + - Sui Jingfeng + +description: |+ + + The display controller is a PCI device, it has two display pipe. + For the DC in LS2K1000 each way has a DVO output interface which + provide RGB888 signals, vertical & horizontal synchronisations + and the pixel clock. Each CRTC is able to support 1920x1080@60Hz, + the maximum resolution is 2048x2048 according to the hardware spec. + +properties: + $nodename: + pattern: "^display-controller@[0-9a-f],[0-9a-f]$" + + compatible: + oneOf: + - items: + - enum: + - loongson,ls2k1000-dc + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + bus { + + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <2>; + + display-controller@6,0 { + compatible = "loongson,ls2k1000-dc"; + reg = <0x3000 0x0 0x0 0x0 0x0>; + interrupts = <28 IRQ_TYPE_LEVEL_LOW>; + }; + }; + +...