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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
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