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Received-SPF: Pass (protection.outlook.com: domain of cixtech.com designates 222.71.101.198 as permitted sender) receiver=protection.outlook.com; client-ip=222.71.101.198; helo=smtprelay.cixcomputing.com; pr=C Received: from smtprelay.cixcomputing.com (222.71.101.198) by TY2PEPF0000AB85.mail.protection.outlook.com (10.167.253.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.615.4 via Frontend Transport; Sat, 7 Nov 2026 01:10:13 +0000 Received: from gary-System-Product-Name (unknown [172.16.64.55]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 10BF040920E2; Sat, 7 Nov 2026 09:10:13 +0800 (CST) From: Gary Yang To: Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Fugang Duan Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, cix-kernel-upstream@cixtech.com, gary.yang@cixtech.com, stable@vger.kernel.org Subject: [PATCH 3/4] arm64: dts: cix: fix I2C bus address and size cells on Sky1 Date: Sat, 7 Nov 2026 09:10:11 +0800 Message-ID: <20261107011012.3655873-4-gary.yang@cixtech.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20261107011012.3655873-1-gary.yang@cixtech.com> References: <20261107011012.3655873-1-gary.yang@cixtech.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB85:EE_|KL1PR0601MB5535:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 11a8199d-be37-42cd-d45a-08df3c6be0d3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|82310400026|23010399003|7416014|376014|22082099003|18002099003|6133799003|10067099003|261026121527099003|261102123227099003|56012099006|261021121427099003|261009223027099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: WvKJ6g1mVigJE1y1i+30pgYQbfGC5NsKZMqqxxksgnbz8jH0GleWnmHODtAEUB9WxmcGXvcnu6vvnf0VOcqtPyEh1HOZ8lK5+oFZwuLyA4nLBamp854otRWHz84A6fz1wFCB7JYdLXBDZcikKfL83+lGOqnhg7cxx+HnM4DdbLkCXB7rJ+/6XMnWLQqHVHNepMWGyMnY3pgnN6xdwAKgzuT23oOnxkTbB+psZjFJXroOqZ2ruvQERdNw93duGUBJ+GJ83BKePiLQKglfS+EFLxvzTYIT90V/AAYMu9414pSYlfQMqwGpdcNYJ/JNQWXr+MkL+VSh/wAXB3oyXcOOtUNmGDjts47edFsipXlvDI93yQPD8a2pG+rhoCdIxPMZgiVzijqMWEnU9+5rhlem/Hxsp2j/bygn45rCxPsSB0Jo8JMQtPO36yUovr6rAOV1 X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2026 01:10:13.8986 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 11a8199d-be37-42cd-d45a-08df3c6be0d3 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: TY2PEPF0000AB85.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR0601MB5535 The I2C controller nodes inherit #address-cells = <2> and #size-cells = <2> from the soc@0 bus, but I2C child devices always use a single-cell address and no size. With the inherited values every child node triggers a reg_format warning, and a device described on the bus would be decoded with the wrong address layout. Set #address-cells = <1> and #size-cells = <0> on all eight I2C controllers, matching the I3C nodes that already do so. Fixes: fad32e8ac460 ("arm64: dts: cix: add DT nodes for all I2C and I3C ports for sky1") Cc: stable@vger.kernel.org Signed-off-by: Gary Yang --- arch/arm64/boot/dts/cix/sky1.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sky1.dtsi index 0a820f45feb9..a18e8fd43fcf 100644 --- a/arch/arm64/boot/dts/cix/sky1.dtsi +++ b/arch/arm64/boot/dts/cix/sky1.dtsi @@ -290,6 +290,8 @@ soc@0 { i2c0: i2c@4010000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04010000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C0_APB>; interrupts = ; @@ -299,6 +301,8 @@ i2c0: i2c@4010000 { i2c1: i2c@4020000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04020000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C1_APB>; interrupts = ; @@ -308,6 +312,8 @@ i2c1: i2c@4020000 { i2c2: i2c@4030000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04030000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C2_APB>; interrupts = ; @@ -317,6 +323,8 @@ i2c2: i2c@4030000 { i2c3: i2c@4040000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04040000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C3_APB>; interrupts = ; @@ -326,6 +334,8 @@ i2c3: i2c@4040000 { i2c4: i2c@4050000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04050000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C4_APB>; interrupts = ; @@ -335,6 +345,8 @@ i2c4: i2c@4050000 { i2c5: i2c@4060000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04060000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C5_APB>; interrupts = ; @@ -344,6 +356,8 @@ i2c5: i2c@4060000 { i2c6: i2c@4070000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04070000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C6_APB>; interrupts = ; @@ -353,6 +367,8 @@ i2c6: i2c@4070000 { i2c7: i2c@4080000 { compatible = "cdns,i2c-r1p14"; reg = <0x0 0x04080000 0x0 0x10000>; + #address-cells = <1>; + #size-cells = <0>; clock-frequency = <400000>; clocks = <&scmi_clk CLK_TREE_FCH_I2C7_APB>; interrupts = ; -- 2.50.1