linux-kernel - [PATCH 1/3] dt-bindings: can: xilinx_can: Add ECC property ‘xlnx,has-ecc’

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Date:   Mon, 12 Jun 2023 17:12:55 +0530
From:   Srinivas Goud <srinivas.goud@....com>
To:     <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <gcnu.goud@...il.com>
CC:     <git@....com>, <michal.simek@...inx.com>,
        <linux-can@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Srinivas Goud <srinivas.goud@....com>
Subject: [PATCH 1/3] dt-bindings: can: xilinx_can: Add ECC property ‘xlnx,has-ecc’

ECC feature added to Tx and Rx FIFO’s for Xilinx CAN Controller.
Part of this feature configuration and counter registers
added in IP for 1bit/2bit ECC errors.
Please find more details in PG096 v5.1 document.

xlnx,has-ecc is optional property and added to Xilinx CAN
Controller node if ECC block enabled in the HW.

Signed-off-by: Srinivas Goud <srinivas.goud@....com>
---
 Documentation/devicetree/bindings/net/can/xilinx,can.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/xilinx,can.yaml b/Documentation/devicetree/bindings/net/can/xilinx,can.yaml
index 897d2cb..13503ae 100644
--- a/Documentation/devicetree/bindings/net/can/xilinx,can.yaml
+++ b/Documentation/devicetree/bindings/net/can/xilinx,can.yaml
@@ -46,6 +46,10 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: CAN Tx mailbox buffer count (CAN FD)
 
+  xlnx,has-ecc:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: CAN Tx and Rx fifo ECC enable flag (AXI CAN)
+
 required:
   - compatible
   - reg
@@ -134,6 +138,7 @@ examples:
         interrupts = <GIC_SPI 59 IRQ_TYPE_EDGE_RISING>;
         tx-fifo-depth = <0x40>;
         rx-fifo-depth = <0x40>;
+        xlnx,has-ecc;
     };
 
   - |
-- 
2.1.1