netdev - [PATCH 3/6] dt-bindings: can: flexcan: add fsl,can-index property to indicate a resource

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Message-Id: <20201016134320.20321-4-qiangqing.zhang@nxp.com>
Date:   Fri, 16 Oct 2020 21:43:17 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     mkl@...gutronix.de, robh+dt@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, linux-imx@....com, victor.liu@....com,
        peng.fan@....com, linux-can@...r.kernel.org, pankaj.bansal@....com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/6] dt-bindings: can: flexcan: add fsl,can-index property to indicate a resource

For SoCs with SCU support, need setup stop mode via SCU firmware,
so this property can help indicate a resource.

Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 Documentation/devicetree/bindings/net/can/fsl-flexcan.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
index 6af67f5e581c..839c0c0064a2 100644
--- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
+++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
@@ -43,6 +43,10 @@ Optional properties:
 		  0: clock source 0 (oscillator clock)
 		  1: clock source 1 (peripheral clock)
 
+- fsl,can-index: The index of CAN instance.
+                 For SoCs with SCU support, need setup stop mode via SCU firmware,
+                 so this property can help indicate a resource.
+
 - wakeup-source: enable CAN remote wakeup
 
 Example:
@@ -54,4 +58,5 @@ Example:
 		interrupt-parent = <&mpic>;
 		clock-frequency = <200000000>; // filled in by bootloader
 		fsl,clk-source = /bits/ 8 <0>; // select clock source 0 for PE
+		fsl,can-index = /bits/ 8 <1>; // the second CAN instance
 	};
-- 
2.17.1