linux-kernel - [PATCH v3 2/2] dt-bindings: soc: ti: pruss: Add documentation for PA

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Message-ID: <20240625153319.795665-3-danishanwar@ti.com>
Date: Tue, 25 Jun 2024 21:03:16 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Suman Anna <s-anna@...com>, Conor Dooley <conor+dt@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Santosh
 Shilimkar <ssantosh@...nel.org>, Nishanth Menon <nm@...com>
CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srk@...com>,
        Vignesh Raghavendra
	<vigneshr@...com>,
        Roger Quadros <rogerq@...nel.org>,
        MD Danish Anwar
	<danishanwar@...com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 2/2] dt-bindings: soc: ti: pruss: Add documentation for PA_STATS support

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

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: MD Danish Anwar <danishanwar@...com>
---
 .../devicetree/bindings/soc/ti/ti,pruss.yaml  | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
index c402cb2928e8..3cb1471cc6b6 100644
--- a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
+++ b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
@@ -278,6 +278,26 @@ patternProperties:
 
     additionalProperties: false
 
+  ^pa-stats@[a-f0-9]+$:
+    description: |
+      PA-STATS sub-module represented as a SysCon. PA_STATS is a set of
+      registers where different statistics related to ICSSG, are dumped by
+      ICSSG firmware. This syscon sub-module will help the device to
+      access/read/write those statistics.
+
+    type: object
+
+    additionalProperties: false
+
+    properties:
+      compatible:
+        items:
+          - const: ti,pruss-pa-st
+          - const: syscon
+
+      reg:
+        maxItems: 1
+
   interrupt-controller@[a-f0-9]+$:
     description: |
       PRUSS INTC Node. Each PRUSS has a single interrupt controller instance
-- 
2.34.1