linux-kernel - [PATCH v2] dt-bindings: net: ti: icssg_prueth: Add documentation for PA

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Message-ID: <20240529115225.630535-1-danishanwar@ti.com>
Date: Wed, 29 May 2024 17:22:25 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Rob Herring <robh@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>, Eric Dumazet
	<edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <srk@...com>, Vignesh Raghavendra <vigneshr@...com>,
        <r-gunasekaran@...com>, Roger Quadros <rogerq@...nel.org>,
        MD Danish Anwar <danishanwar@...com>
Subject: [PATCH v2] dt-bindings: net: ti: icssg_prueth: Add documentation for PA_STATS support

Add documentation for ti,pa-stats property which is syscon regmap for
PA_STATS registers. This will be used to dump statistics maintained by
ICSSG firmware.

Signed-off-by: MD Danish Anwar <danishanwar@...com>
---
Changes from v1 to v2:
*) Updated description of ti,pa-stats to explain the purpose of PA_STATS
   module in context of ICSSG.

v1 https://lore.kernel.org/all/20240430122403.1562769-1-danishanwar@ti.com/

 .../devicetree/bindings/net/ti,icssg-prueth.yaml         | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml b/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml
index e253fa786092..c296e5711848 100644
--- a/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml
+++ b/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml
@@ -55,6 +55,14 @@ properties:
     description:
       phandle to MII_RT module's syscon regmap
 
+  ti,pa-stats:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to PA_STATS module's syscon regmap. PA_STATS is a set of
+      registers where different statistics related to ICSSG, are dumped by
+      ICSSG firmware. PA_STATS module's syscon regmap will help the device to
+      access/read/write those statistics.
+
   ti,iep:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     maxItems: 2
@@ -194,6 +202,7 @@ examples:
                     "tx1-0", "tx1-1", "tx1-2", "tx1-3",
                     "rx0", "rx1";
         ti,mii-g-rt = <&icssg2_mii_g_rt>;
+        ti,pa-stats = <&icssg2_pa_stats>;
         ti,iep = <&icssg2_iep0>, <&icssg2_iep1>;
         interrupt-parent = <&icssg2_intc>;
         interrupts = <24 0 2>, <25 1 3>;
-- 
2.34.1