linux-kernel - [PATCH 2/4] dt-bindings: net: fsl,fec: introduce nvmem property

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Message-Id: <20220324042024.26813-3-peng.fan@oss.nxp.com>
Date:   Thu, 24 Mar 2022 12:20:22 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     ulf.hansson@...aro.org, robh+dt@...nel.org, krzk+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, wg@...ndegger.com,
        mkl@...gutronix.de, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, qiangqing.zhang@....com
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH 2/4] dt-bindings: net: fsl,fec: introduce nvmem property

From: Peng Fan <peng.fan@....com>

To i.MX8M Family variants, fec maybe fused out. Bootloader could use
this property to read out the fuse value and mark the node status
at runtime.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 Documentation/devicetree/bindings/net/fsl,fec.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/fsl,fec.yaml b/Documentation/devicetree/bindings/net/fsl,fec.yaml
index daa2f79a294f..5d18f59ca0c3 100644
--- a/Documentation/devicetree/bindings/net/fsl,fec.yaml
+++ b/Documentation/devicetree/bindings/net/fsl,fec.yaml
@@ -111,6 +111,15 @@ properties:
         - enet_out
         - enet_2x_txclk
 
+  nvmem-cells:
+    maxItems: 1
+    description:
+      Nvmem data cell that indicate whether this IP is fused or not.
+
+  nvmem-cell-names:
+    items:
+      - const: fused
+
   phy-mode: true
 
   phy-handle: true
-- 
2.35.1