From patchwork Mon Oct 16 10:39:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13423001 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 1C1B7CDB485 for ; Mon, 16 Oct 2023 10:41:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9996F10E1AF; Mon, 16 Oct 2023 10:40:32 +0000 (UTC) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by gabe.freedesktop.org (Postfix) with ESMTPS id 51C7810E18B for ; Mon, 16 Oct 2023 10:40:20 +0000 (UTC) X-UUID: 63c8756a6c1011eea33bb35ae8d461a2-20231016 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=XD7Kji7ciP/fwwyRVZtec3ggSG5HKczsfxe/WsQLylg=; b=WCurZhcoFoUCjWrAkZSlUEWJ/IHIglU6KGgLX69Kpav7fHGQlJL6tW5wFHWKlB4M+Rrvwyhuh3kbN1IGBjOFIiUpFeOYyWa1+3vL7vQMzd3DKEWHz6BKwKpL/B4UgA5jOpu7Lpyej3LqigQMC9z8sqIgVK5s2wLpjLWtgmg6TCU=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:c2c253db-12a6-4368-87c8-d63f9950a8f0, IP:0, U RL:25,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:20 X-CID-META: VersionHash:5f78ec9, CLOUDID:16da1615-4929-4845-9571-38c601e9c3c9, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 63c8756a6c1011eea33bb35ae8d461a2-20231016 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1340161691; Mon, 16 Oct 2023 18:40:14 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 16 Oct 2023 18:40:13 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 16 Oct 2023 18:40:13 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , CK Hu , Krzysztof Kozlowski , Matthias Brugger , Rob Herring Subject: [PATCH v8 04/23] dt-bindings: display: mediatek: padding: Add MT8188 Date: Mon, 16 Oct 2023 18:39:51 +0800 Message-ID: <20231016104010.3270-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231016104010.3270-1-shawn.sung@mediatek.com> References: <20231016104010.3270-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N 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: Nathan Lu , Chun-Kuang Hu , Moudy Ho , Fei Shao , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Yongqiang Niu , Johnson Wang , "Nancy . Lin" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, "Jason-JH . Lin" , Hans Verkuil , Hsiao Chien Sung , Sean Paul , devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Padding is a new hardware module on MediaTek MT8188, add dt-bindings for it. Reviewed-by: Krzysztof Kozlowski Reviewed-by: CK Hu Signed-off-by: Hsiao Chien Sung Reviewed-by: AngeloGioacchino Del Regno --- .../display/mediatek/mediatek,padding.yaml | 81 +++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml new file mode 100644 index 000000000000..db24801ebc48 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,padding.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Display Padding + +maintainers: + - Chun-Kuang Hu + - Philipp Zabel + +description: + Padding provides ability to add pixels to width and height of a layer with + specified colors. Due to hardware design, Mixer in VDOSYS1 requires + width of a layer to be 2-pixel-align, or 4-pixel-align when ETHDR is enabled, + we need Padding to deal with odd width. + Please notice that even if the Padding is in bypass mode, settings in + register must be cleared to 0, or undefined behaviors could happen. + +properties: + compatible: + const: mediatek,mt8188-padding + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + items: + - description: RDMA Clock + + mediatek,gce-client-reg: + description: + GCE (Global Command Engine) is a multi-core micro processor that helps + its clients to execute commands without interrupting CPU. This property + describes GCE client's information that is composed by 4 fields. + 1. Phandle of the GCE (there may be several GCE processors) + 2. Sub-system ID defined in the dt-binding like a user ID + (Please refer to include/dt-bindings/gce/-gce.h) + 3. Offset from base address of the subsys you are at + 4. Size of the register the client needs + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: Phandle of the GCE + - description: Subsys ID defined in the dt-binding + - description: Offset from base address of the subsys + - description: Size of register + maxItems: 1 + +required: + - compatible + - reg + - power-domains + - clocks + - mediatek,gce-client-reg + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + padding0: padding@1c11d000 { + compatible = "mediatek,mt8188-padding"; + reg = <0 0x1c11d000 0 0x1000>; + clocks = <&vdosys1 CLK_VDO1_PADDING0>; + power-domains = <&spm MT8188_POWER_DOMAIN_VDOSYS1>; + mediatek,gce-client-reg = <&gce0 SUBSYS_1c11XXXX 0xd000 0x1000>; + }; + };