From patchwork Thu Oct 3 03:09:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Macpaul Lin X-Patchwork-Id: 13820646 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 73B72CF8552 for ; Thu, 3 Oct 2024 03:11:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=oTm1fXXyNbEjaSytwTVBGR6jZI+/WfArELCCgciIDnY=; b=ey/8pvXBD9i5Ivg/Ttvbcf4uKH bSSBg/7NSE5/1fuk+LbdVdevSSN4gj7r4l3F63rqD0ZPQJABEc09hinhSnw5/2FLj2B66eqRygt+N 9bYMRvzdLv+mrSRCllk8McvTs4rG/7zRZmxYEjseauPqTeRdOdS9GO+tcfN0chsiI8anKDOaNC80B m881d4u0qSoBH1tL7OxbaHNIdp4XRFZdMshY5ufuVZv9msp9DHaaKxC6uJCRp5sIlbGUrRx1EpZXR f3h8B7HbmL68lzFgJQDB28i4wPiW/L0d2sQCaiGlv2+vxLNL2217y8SkfUssCSodtLlyoSq6FlCJy Fl+JrlIA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1swCEv-000000083Fm-33Yi; Thu, 03 Oct 2024 03:10:53 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1swCDe-000000082vH-1UH6; Thu, 03 Oct 2024 03:09:35 +0000 X-UUID: e712290e813411efb3adad29d29602c1-20241002 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=oTm1fXXyNbEjaSytwTVBGR6jZI+/WfArELCCgciIDnY=; b=lMk1/Q3eD7+uKALsdTwMHkSTlX/m+pFHtSDSRqgSEEtoWd1NA7EVSBcIGq/l2oI2/gQzpG3PhdcFD2W10jlgKQF4sItO9L2i6vQnMxZ53nTBx1bOWasqO1J3E/Un47pE8BdmAYEw0tyjv8x3BgzbXwssXRdyA9LKs3ztuo7Ag6s=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:5d30708e-ec0d-482f-842a-a16e5b495f24,IP:0,U RL:0,TC:0,Content:0,EDM:-25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:6dc6a47,CLOUDID:ac0ae51a-3b87-4dc0-9e4d-1d837ff4304b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:1|19,IP:nil ,URL:0,File:nil,RT: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,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: e712290e813411efb3adad29d29602c1-20241002 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1392029452; Wed, 02 Oct 2024 20:09:28 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 3 Oct 2024 11:09:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 3 Oct 2024 11:09:25 +0800 From: Macpaul Lin To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yong Wu , Joerg Roedel , Will Deacon , Robin Murphy , Matthias Brugger , AngeloGioacchino Del Regno , Rohit Agarwal , , , , , , , Alexandre Mergnat CC: Bear Wang , Pablo Sun , Macpaul Lin , Macpaul Lin , Sen Chu , Chris-qj chen , MediaTek Chromebook Upstream , Chen-Yu Tsai Subject: [PATCH v6 1/4] dt-bindings: iommu: mediatek: Fix interrupt count constraint for new SoCs Date: Thu, 3 Oct 2024 11:09:16 +0800 Message-ID: <20241003030919.17980-1-macpaul.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241002_200934_429790_16A40EDD X-CRM114-Status: GOOD ( 13.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The infra-iommu node in mt8195.dtsi was triggering a CHECK_DTBS error due to an excessively long 'interrupts' property. The error message was: infra-iommu@10315000: interrupts: [[0, 795, 4, 0], [0, 796, 4, 0], [0, 797, 4, 0], [0, 798, 4, 0], [0, 799, 4, 0]] is too long To address this issue, update the compatbile matching rule for 'interrupts' property. This change allows flexibility in the number of interrupts for new SoCs like MT8195. The purpose of these 5 interrupts is also added into description. Fixes: bca28426805d ("dt-bindings: iommu: mediatek: Convert IOMMU to DT schema") Signed-off-by: Macpaul Lin Reviewed-by: Rob Herring (Arm) --- .../bindings/iommu/mediatek,iommu.yaml | 28 ++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) Changes for v2: - commit message: re-formatting and add a description of adding 5 interrupts. - add 'description' and 'maxItems: 5' for 'interrupt' property of 'mt8195-iommu-infra' - others keeps 'maxItems: 1' Changes for v3: - Refine the description for 'interrupts' property and fixes the compatible matching rules. - Refine commit message. Changes for v4: - add missing 'minItems: 5' to 'mediatek,mt8195-iommu-infra'. Thanks the explanation from Conor and Krzysztof. Changes for v5: - Repharse the description for interrupts property of MT8195. Changes for v6: - Remove maxItems for mt8195-iommu-infra. - Add 'Reviewed-by' tag from Rob. Thanks for the review. diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml index ea6b0f5f24de..eeb39f5acf7e 100644 --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml @@ -96,7 +96,16 @@ properties: maxItems: 1 interrupts: - maxItems: 1 + description: | + Usually, the IOMMU requires only one interrupt. + + The infra IOMMU in MT8195 has five banks: each features one set + of APB registers. One for the normal world (set 0), three for the + protected world (sets 1-3), and one for the secure world (set 4). + and each set has its own interrupt. Therefore, five interrupts + are needed. + minItems: 1 + maxItems: 5 clocks: items: @@ -210,6 +219,23 @@ allOf: required: - mediatek,larbs + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt8195-iommu-infra + + then: + properties: + interrupts: + minItems: 5 + + else: + properties: + interrupts: + maxItems: 1 + additionalProperties: false examples: From patchwork Thu Oct 3 03:09:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Macpaul Lin X-Patchwork-Id: 13820648 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 00907CF8555 for ; Thu, 3 Oct 2024 03:13:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; 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Wed, 02 Oct 2024 20:09:30 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 3 Oct 2024 11:09:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 3 Oct 2024 11:09:25 +0800 From: Macpaul Lin To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yong Wu , "Joerg Roedel" , Will Deacon , Robin Murphy , Matthias Brugger , AngeloGioacchino Del Regno , "Rohit Agarwal" , , , , , , , Alexandre Mergnat CC: Bear Wang , Pablo Sun , Macpaul Lin , Macpaul Lin , "Sen Chu" , Chris-qj chen , MediaTek Chromebook Upstream , Chen-Yu Tsai Subject: [PATCH v6 2/4] arm64: dts: mediatek: mt8395-genio-1200-evk: Fix dtbs_check error for phy Date: Thu, 3 Oct 2024 11:09:17 +0800 Message-ID: <20241003030919.17980-2-macpaul.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20241003030919.17980-1-macpaul.lin@mediatek.com> References: <20241003030919.17980-1-macpaul.lin@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.841900-8.000000 X-TMASE-MatchedRID: zCWA9GkRdEXwBTQ+XvV6VZdc7I2df+ms2D9FbDg9BP7HkH7uosEn7E/3 ZkXeY1OAsdosXJJWMVwSc9Me4enxyKXzgcphDfm8i/b+LxU2p47Dx2NobQWtm3td2pOTSxFkZvo +mFW19mDftLFtxOSbQ4Ay6p60ZV62fJ5/bZ6npdjGVuWouVipcp4sBTE6I60vn04MC/32hamTFH Y3fpknPk+1Y2AWrhCZQn+6Lm/IJRrsM5jjy6iom9ieHLZMZ/BPRPZbP+jn79N3eENhF60Pgm1Rj oup2VCcWve+eVz4Pp5Vk5utmQ1VlGVF3+d9rnoxpI8EFEZVbig= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.841900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 3A432F52C549AB02A7417472CA6CA1845F5AEEE3A9D0766BCF32ECD3255395DB2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241002_200935_821809_03FD940B X-CRM114-Status: GOOD ( 11.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The ethernet-phy node in mt8395-genio-1200-evk.dts was triggering a dtbs_check error. The error message was: eth-phy0@1: $nodename:0: 'eth-phy0@1' does not match '^ethernet-phy(@[a-f0-9]+)?$' Fix this issue by replacing 'eth-phy' node to generic 'ethernet-phy'. Fixes: f2b543a191b6 ("arm64: dts: mediatek: add device-tree for Genio 1200 EVK board") Signed-off-by: Macpaul Lin Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Changes for v2, v3, v4, v5 and v6: - No change. diff --git a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts index 1ef6262b65c9..b4b48eb93f3c 100644 --- a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts +++ b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts @@ -187,7 +187,7 @@ mdio { compatible = "snps,dwmac-mdio"; #address-cells = <1>; #size-cells = <0>; - eth_phy0: eth-phy0@1 { + eth_phy0: ethernet-phy@1 { compatible = "ethernet-phy-id001c.c916"; reg = <0x1>; }; From patchwork Thu Oct 3 03:09:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Macpaul Lin X-Patchwork-Id: 13820649 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4009DCF8555 for ; 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Wed, 02 Oct 2024 20:09:32 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 3 Oct 2024 11:09:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 3 Oct 2024 11:09:25 +0800 From: Macpaul Lin To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yong Wu , "Joerg Roedel" , Will Deacon , Robin Murphy , Matthias Brugger , AngeloGioacchino Del Regno , "Rohit Agarwal" , , , , , , , Alexandre Mergnat CC: Bear Wang , Pablo Sun , Macpaul Lin , Macpaul Lin , "Sen Chu" , Chris-qj chen , MediaTek Chromebook Upstream , Chen-Yu Tsai Subject: [PATCH v6 3/4] arm64: dts: mt8195: Fix dtbs_check error for mutex node Date: Thu, 3 Oct 2024 11:09:18 +0800 Message-ID: <20241003030919.17980-3-macpaul.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20241003030919.17980-1-macpaul.lin@mediatek.com> References: <20241003030919.17980-1-macpaul.lin@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--3.706900-8.000000 X-TMASE-MatchedRID: wYKjk3ae4OLLmPsfsKViBzyQH9QLmFOgMZm0+sEE9mv/evmlVf9xZgxm 8TLlhkMG2y0jybZAxqx7nZmSglxg9sJjog0sYBeSrDFtme53KvvvJY9pBzgg1GaBgvyiTOIIo8W MkQWv6iXBcIE78YqRWo6HM5rqDwqtivlcPs9FUI05ATGXXlFkSWu7gS8lrCKz35LP/V9STirqWm MCcv4tHrFMAtdMmQTJZ5ZFoD56Rp7r9ZELdKKU9ImmikotZSeQ4sOrsb4iT/K/bbEolHIgZUOc7 GjOamnWv5a9cmIodEspRnLV2kwrLg== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--3.706900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: CCACF346455230C21048E8C4EF6D299401BEF89CFE9E7EB966C654F47323C2292000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241002_200935_748149_C981AE51 X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The mutex node in mt8195.dtsi was triggering a dtbs_check error: mutex@1c101000: 'clock-names', 'reg-names' do not match any of the regexes: 'pinctrl-[0-9]+' This seems no need by inspecting the DT schemas and other reference boards, so drop 'clock-names' and 'reg-names' in mt8195.dtsi. Fixes: 92d2c23dc269 ("arm64: dts: mt8195: add display node for vdosys1") Signed-off-by: Macpaul Lin Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 2 -- 1 file changed, 2 deletions(-) Changes for v2, v3, v4, v5, v6: - No change. diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 2e1b41359b43..ade685ed2190 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -3331,11 +3331,9 @@ &larb19 &larb21 &larb24 &larb25 mutex1: mutex@1c101000 { compatible = "mediatek,mt8195-disp-mutex"; reg = <0 0x1c101000 0 0x1000>; - reg-names = "vdo1_mutex"; interrupts = ; power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; clocks = <&vdosys1 CLK_VDO1_DISP_MUTEX>; - clock-names = "vdo1_mutex"; mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0x1000 0x1000>; mediatek,gce-events = ; }; From patchwork Thu Oct 3 03:09:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Macpaul Lin X-Patchwork-Id: 13820647 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B1138CF8555 for ; 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Wed, 02 Oct 2024 20:09:29 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS09N2.mediatek.inc (172.21.101.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 2 Oct 2024 20:09:25 -0700 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 3 Oct 2024 11:09:25 +0800 From: Macpaul Lin To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yong Wu , Joerg Roedel , Will Deacon , Robin Murphy , Matthias Brugger , AngeloGioacchino Del Regno , Rohit Agarwal , , , , , , , Alexandre Mergnat CC: Bear Wang , Pablo Sun , Macpaul Lin , Macpaul Lin , Sen Chu , Chris-qj chen , MediaTek Chromebook Upstream , Chen-Yu Tsai , Jitao Shi Subject: [PATCH v6 4/4] dt-bindings: display: mediatek: dpi: correct power-domains property Date: Thu, 3 Oct 2024 11:09:19 +0800 Message-ID: <20241003030919.17980-4-macpaul.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20241003030919.17980-1-macpaul.lin@mediatek.com> References: <20241003030919.17980-1-macpaul.lin@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241002_200934_429090_4166033E X-CRM114-Status: GOOD ( 17.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The MediaTek DPI module is typically associated with one of the following multimedia power domains: - POWER_DOMAIN_DISPLAY - POWER_DOMAIN_VDOSYS - POWER_DOMAIN_MM The specific power domain used varies depending on the SoC design. These power domains are shared by multiple devices within the SoC. In most cases, these power domains are enabled by other devices. As a result, the DPI module of legacy SoCs often functions correctly even without explicit configuration. It is recommended to explicitly add the appropriate power domain property to the DPI node in the device tree. Hence drop the compatible checking for specific SoCs. Fixes: 5474d49b2f79 ("dt-bindings: display: mediatek: dpi: Add power domains") Signed-off-by: Macpaul Lin Signed-off-by: Jitao Shi Signed-off-by: Pablo Sun Reviewed-by: Krzysztof Kozlowski --- .../display/mediatek/mediatek,dpi.yaml | 24 ++++++++----------- 1 file changed, 10 insertions(+), 14 deletions(-) Changes for v2: - Because of the corresponding dts fix has been reviewed with a Reviewed-by: tag. [1] https://lore.kernel.org/all/20240925080515.16377-1-macpaul.lin@mediatek.com/ We still need this change to fix the 2 dtbs_check errors. So keeps no change here. Changes for v3: - The origin patch is [2] https://lore.kernel.org/all/20240926111449.9245-2-macpaul.lin@mediatek.com/ - Thanks for Conor's reminding, after MediaTek's internal discussion, This patch v3 is the replacement of [2] v2. Because the DPI module should has a explicit configuration with power domain. - Drop Acked-by: tag since v3 is nearly a new patch for different approach. Changes for v4: - No change. Please help to review it again. Changes for v5: - Add missing Reviewed-by Tag from Krzysztof. Thanks. Changes for v6: - No change. diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml index 3a82aec9021c..497c0eb4ed0b 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml @@ -63,6 +63,16 @@ properties: - const: sleep power-domains: + description: | + The MediaTek DPI module is typically associated with one of the + following multimedia power domains: + POWER_DOMAIN_DISPLAY + POWER_DOMAIN_VDOSYS + POWER_DOMAIN_MM + The specific power domain used varies depending on the SoC design. + + It is recommended to explicitly add the appropriate power domain + property to the DPI node in the device tree. maxItems: 1 port: @@ -79,20 +89,6 @@ required: - clock-names - port -allOf: - - if: - not: - properties: - compatible: - contains: - enum: - - mediatek,mt6795-dpi - - mediatek,mt8173-dpi - - mediatek,mt8186-dpi - then: - properties: - power-domains: false - additionalProperties: false examples: