| Message ID | 20201106105627.31061-3-qiangqing.zhang@nxp.com |
|---|---|
| State | New |
| Headers | show
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Fri, 6 Nov 2020 10:56:10 +0000 From: Joakim Zhang <qiangqing.zhang@nxp.com> To: mkl@pengutronix.de, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, linux-imx@nxp.com, linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V5 2/5] dt-bindings: can: flexcan: add fsl, scu-index property to indicate a resource Date: Fri, 6 Nov 2020 18:56:24 +0800 Message-Id: <20201106105627.31061-3-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201106105627.31061-1-qiangqing.zhang@nxp.com> References: <20201106105627.31061-1-qiangqing.zhang@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR02CA0055.apcprd02.prod.outlook.com (2603:1096:4:54::19) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR02CA0055.apcprd02.prod.outlook.com (2603:1096:4:54::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3541.21 via Frontend Transport; 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| Series |
can: flexcan: add stop mode support for i.MX8QM
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expand
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diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml index 8f4db883e16b..2631dad8f85f 100644 --- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml +++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml @@ -105,6 +105,16 @@ properties: description: Enable CAN remote wakeup. + fsl,scu-index: + description: | + The scu index of CAN instance. + For SoCs with SCU support, need setup stop mode via SCU firmware, so this + property can help indicate a resource. It supports up to 3 CAN instances + now. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 0 + maximum: 2 + required: - compatible - reg @@ -132,4 +142,5 @@ examples: clocks = <&clks 1>, <&clks 2>; clock-names = "ipg", "per"; fsl,stop-mode = <&gpr 0x34 28>; + fsl,scu-index = /bits/ 8 <1>; };
For SoCs with SCU support, need setup stop mode via SCU firmware, so this property can help indicate a resource in SCU firmware. Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com> --- .../devicetree/bindings/net/can/fsl,flexcan.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+)