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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Shengjiu Wang , Shawn Guo , Sascha Hauer , Fabio Estevam , Pengutronix Kernel Team , Vladimir Oltean , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 1/3] dt-bindings: net: dsa: nxp,sja1105: Add reset-gpios property Message-ID: References: <20250918-imx8mp-prt8ml-v2-0-3d84b4fe53de@pengutronix.de> <20250918-imx8mp-prt8ml-v2-1-3d84b4fe53de@pengutronix.de> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250918-imx8mp-prt8ml-v2-1-3d84b4fe53de@pengutronix.de> X-ClientProxiedBy: SJ0PR05CA0013.namprd05.prod.outlook.com (2603:10b6:a03:33b::18) To AS4PR04MB9621.eurprd04.prod.outlook.com (2603:10a6:20b:4ff::22) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS4PR04MB9621:EE_|DU6PR04MB11088:EE_ X-MS-Office365-Filtering-Correlation-Id: 776b6ac2-f6f6-48fe-e02b-08ddf6c8a2dd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|19092799006|52116014|376014|7416014|366016|7053199007|38350700014; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?OqDbd7pL84eptzMUqedKThSDnKuvzkMn1zwGDrurGr8xdlj+ry+/An89MTny?= =?us-ascii?Q?CiWBGo+mYUuPO3oVdNFU1DlkeYmsBwXf1WCYzaaZaZaGiyT88vzkltyGHH+5?= =?us-ascii?Q?GOYmvRwREdFftPvqAW2Tw4661qr8EEgiw02JxVSNnxYP09h3ZCdLw2OYvqpK?= =?us-ascii?Q?JMASF4sqFRpzcXPHcUAqAfVIRX6VZj09x5woPPYDgl13gFk9pZFpvgrqG/0Q?= =?us-ascii?Q?IFP+hSxCqJQS/PQhCO5lrwswIX3vUitNUyEroQFEss26XS8sbUGEblsrnqg5?= =?us-ascii?Q?n464JX2XwV1C1lE5UhmAEKsXB+OU6l5vkeUvU93OEHAIkhxunnIqXLzNztTu?= =?us-ascii?Q?wYvJ1aBo00nwAbmH2AjXMVG0bSqjj1TReHOEyXFBz3CgIo8X8z18/RZdKiu8?= =?us-ascii?Q?kTReNeP5oEFKZM1SC+EDOsPG1TSgQxdPiMUFVpwXr24FbtabDl9+PncIoLPu?= =?us-ascii?Q?7NWumg4p/3/pEzHMsYDi4Rr5s1dbsgBudXHnqiAXFnl4LhZaSHI3ZZuHtfqM?= =?us-ascii?Q?jAOtg9u9Rf1y9Hgppc4iCIry7meLHCDl+wQarC+CH1KZMBHDgY6vyZDkBcrN?= =?us-ascii?Q?oEDQpxvxu5ZIVHRl26t4DaZ7Czd+Anx9QQk7naOQcXItO2oA99kGws5jmAcg?= =?us-ascii?Q?8ysw5j4ESyc/CmARuydl6xKRM6somYiHAh+EAPfvop4PcsRLeExh8IZ1eIkO?= =?us-ascii?Q?1w17S3jOModqsjydC6+lgod+eDxYIQa8ElOddCl4fyz22Y8DtlcT9o01Qhnc?= =?us-ascii?Q?b8WVUubwFDhDJLhDvy2wEwCrUddTA5Wo0V9Fv5RSU1fcQ2wwaxidy9wpg9up?= =?us-ascii?Q?a6xZam3XSgz640XF5hsXFWsdTdgPkU79MJPzHlqQxjTliQ9sFCPLIUr/19pO?= =?us-ascii?Q?kp71UkZt9uNHU6r9M7daMKou+4ZkSDqPWWQbkege90paeO9IGZmcuU6Pew02?= =?us-ascii?Q?gB/VBGjhJM41EJE1PSwp9Yy7DfEg3Mzsvz3g94EIuBAS3jARFAqMhbS1Hx09?= =?us-ascii?Q?RMtcW3A2pZOnY6GmbIivcK18xohMrwKrTtMQHGLDpRoyZyPa5Rh94ozpvPal?= =?us-ascii?Q?qbAuCY06vHRFxzlCGXKJR3B8H4uaQfL7qr2mcAoCogbkK5kN9YQf3zxUg72Q?= =?us-ascii?Q?jTLorziKApc/rh37xWJlJ9y3Kp2XX1LPYTABuPPTeckEUVYg31ZtiMRRNk+j?= =?us-ascii?Q?l+iF8h2igxGlADfkEQLrBhyhezDHLP5ndFjLVwLl8XivpiCUVvBt3zBpnr4s?= =?us-ascii?Q?APnX0P8PVK4IqBeHJBn9tZs6eYbOgmTmbcQZaAoxSxZdlS8G+PDHapUCEKAh?= =?us-ascii?Q?FS9EKv6ZZCMBcmhWvzyRkYriatFRJKyuoHk4PRxcLVUAOOGl8Dq8mDOiGTS+?= =?us-ascii?Q?6DlGMmKsLLEZrM4gVFjZpIrEVaSo8Tm519DChYEJlYGegcKrGfEfrt2GvbRz?= =?us-ascii?Q?vDMNxE0aAuR7igFH+Yx9I4w+dENiLHANNM0z5Bo+MGSFuqMa6KkHf6XV5iG0?= =?us-ascii?Q?LTe2JZveyJRLZfZQEmpD93aaqJM7Pr8xCLcyrfgdlmbBHFp55MaisotfDKxx?= =?us-ascii?Q?VyQSf3kYpML5MY3FrLH5c398sM5GXl/j4CeFcDTv?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 776b6ac2-f6f6-48fe-e02b-08ddf6c8a2dd X-MS-Exchange-CrossTenant-AuthSource: AS4PR04MB9621.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Sep 2025 15:32:54.5850 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: SCw+tLCfiyMUCKmr0G1H8f/VMdcAjZPWJD/bDO8vryLH9fQCN+qkLO8/FBOrLZLjXRavYeervg29eyTxRmaCTg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU6PR04MB11088 On Thu, Sep 18, 2025 at 02:19:44PM +0200, Jonas Rebmann wrote: > Both the nxp,sja1105 and the nxp,sja1110 series feature an active-low > reset pin, rendering reset-gpios a valid property for all of the > nxp,sja1105 family. > > Signed-off-by: Jonas Rebmann Reviewed-by: Frank Li > --- > Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml > index 9432565f4f5d..e9dd914b0734 100644 > --- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml > +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml > @@ -32,6 +32,15 @@ properties: > reg: > maxItems: 1 > > + reset-gpios: > + description: > + A GPIO connected to the active-low RST_N pin of the SJA1105. Note that > + reset of this chip is performed via SPI and the RST_N pin must be wired > + to satisfy the power-up sequence documented in "SJA1105PQRS Application > + Hints" (AH1704) sec. 2.4.4. Connecting the SJA1105 RST_N pin to a GPIO is > + therefore discouraged. > + maxItems: 1 > + > spi-cpha: true > spi-cpol: true > > > -- > 2.51.0.178.g2462961280 >