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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Z6AWOr1+CfKUI0px+UWc1ybG6lPpjrNpscbVjuluBVYvFeZ+a6LVxEFNhnDQ?= =?us-ascii?Q?jXlnGFD7cc/k8s3S0vTiLOdcwx9htlN7JpWbsLPpN3W8q+zVTsso2AlPHdld?= =?us-ascii?Q?ILSUZaxWVYPAOx2ST6CI3g7Qk/meqT43n15WfGSbyXivBqVTCbPwNGrB1TOw?= =?us-ascii?Q?gAEEVLzXThOEHlVNPhtvi/6Dbsowh/JRSyzUZRAZ/7qaYrUc4BbOZKYQcbFL?= =?us-ascii?Q?5QZbwm+dlcg0ClisTp20OGfTkioOlKifIJskn+12qKy1C8I/EbeZEx1hRnNI?= =?us-ascii?Q?K0LivFWd8FjxFKxQIjdpbEXWG6jNA0nzVAe1vFLX5nl66kCviPDoG0T50p2F?= =?us-ascii?Q?1OmTxIwDC+R2DZ6slDQ3b2ib/tOAl2zFmreafktaeSc/sa2m20uvma+yPT5i?= =?us-ascii?Q?2wysGHvz8Ydy/wmJXAub9mizXUeUJPJMhxcmPx2mBFk+/4RbxojuP5CkVbcj?= =?us-ascii?Q?KZ3YG+cvffdvcpOlucwwvtR6wfRF6si6MszskobLOboPEMdiuyLr5vZemG3v?= =?us-ascii?Q?ZZ6xt1lY4MjZ42OLudre1NG030O183KX2b7pOzVeywbr+1gtRO4ZM0Ll8s8U?= =?us-ascii?Q?KPTZW8qzRNgGMgawZUp8xvXN06nGa4XSq+P0XXXBm3Hpw7mnsEfKvt97cs11?= =?us-ascii?Q?MQHUYoIbCmiicOYUv85sfVRuo41Krl5Za+pTxdprDUpSU8wzbIEjIn4f9NP9?= =?us-ascii?Q?AHQYPj3iNbKyqcu6ljfKjfYxIq3AoQG9AkQBV/hzedLi5ko0IKz7pf1VSPij?= =?us-ascii?Q?4Sv+6pvYJDUwsOFLUsSmTLg0NTq83fVtoHGlxt/sev4Bo564WFdMvg9xAMZd?= =?us-ascii?Q?NYUJ/S7+TbAdAGBNyj9bSmawz2gmBTNTKTbRBl+71h+D3mZeN4+y4aYGtvXk?= =?us-ascii?Q?4lslWJNihVHLOyTah2tqcT4IrQEXJqjGf7ov53htbL3rAi5CMO5ENT0SG2dE?= =?us-ascii?Q?YiqQxNkgt4cInnBnLC3bWyGOa/uYmMlP3VoLN0lUQEwkxx02iuE4xVUXfH+r?= =?us-ascii?Q?DhvK+G5ySbyXQ7lc6EY4buZVLS8OiS2UGfG9oB+T/RLuAMtcujEv2YDacSim?= =?us-ascii?Q?bqiWrHEiXfJVWwf284rfB/NSTJnZDLcDoYFap3xph+TxXoYXJd2mUxDMEglj?= =?us-ascii?Q?PqLTVf6ToSGNYi0PIncsjRVaqHRGFCJPTotycMoCYJhi9AiXtehF1sUPbCfe?= =?us-ascii?Q?jHicnbZcSxbkCmb+ZUVdNixdBz9pGUYUGGFxaKyz9ckVeOHSx65rOAtV0mHb?= =?us-ascii?Q?FYZPR8vNPxIERp5B+b9zSZlolhBAtMq4+YVC5q95J6qZkILNmgNKktk9BeOk?= =?us-ascii?Q?3IBPb96J8UiW05XGcIkS8eVjBHoKu7uLGB0cEJdeyZB1NF5kiYX+kOCSMHTc?= =?us-ascii?Q?Y5nVG47qdGwFBOE1vIhLRw0CUT+M68VXsfkR1nS93p40uHo3SxQ2t22zlhLP?= =?us-ascii?Q?BrxaBKETE92CILEl0EEOWpIcQfCUAt/kJTWEcEYWF79imoogEml8Co0/tMpS?= =?us-ascii?Q?jZFIWaF2IY4LILQK4UUJjy1bglXM32rBDe6GGhnkdIg+2Cw3QzT1unCTxLTh?= =?us-ascii?Q?EWeSTYdNs9qiYrsILdngeXrZVeAEEFFc/JD1P5eQ?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ec6961f1-3478-477b-ac13-08da81b71972 X-MS-Exchange-CrossTenant-AuthSource: DB9PR04MB8106.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Aug 2022 07:47:43.4008 (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: F2HwqCVIg1aNdzxkY+dZdOHSjE8hMtJOeiBUDxu9ezBcVoOEmYybwlKFSMiZIK3NdCWjVMV7CgMb5JedoOmUNA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB7199 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wei Fang TJA110x REF_CLK can be configured as interface reference clock intput or output when the RMII mode enabled. This patch add the property to make the REF_CLK can be configurable. Signed-off-by: Wei Fang --- .../devicetree/bindings/net/nxp,tja11xx.yaml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml index d51da24f3505..c51ee52033e8 100644 --- a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml +++ b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml @@ -31,6 +31,22 @@ patternProperties: description: The ID number for the child PHY. Should be +1 of parent PHY. + nxp,rmii_refclk_in: + type: boolean + description: | + The REF_CLK is provided for both transmitted and receivced data + in RMII mode. This clock signal is provided by the PHY and is + typically derived from an external 25MHz crystal. Alternatively, + a 50MHz clock signal generated by an external oscillator can be + connected to pin REF_CLK. A third option is to connect a 25MHz + clock to pin CLK_IN_OUT. So, the REF_CLK should be configured + as input or output according to the actual circuit connection. + If present, indicates that the REF_CLK will be configured as + interface reference clock input when RMII mode enabled. + If not present, the REF_CLK will be configured as interface + reference clock output when RMII mode enabled. + Only supported on TJA1100 and TJA1101. + required: - reg @@ -44,6 +60,7 @@ examples: tja1101_phy0: ethernet-phy@4 { reg = <0x4>; + nxp,rmii_refclk_in; }; }; - | -- 2.25.1