linux-kernel - [PATCH 1/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property

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Message-Id: <20201116171159.1735315-2-gregory.clement@bootlin.com>
Date:   Mon, 16 Nov 2020 18:11:55 +0100
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Sebastian Reichel <sre@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        devicetree@...r.kernel.org
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        <Steen.Hegelund@...rochip.com>
Subject: [PATCH 1/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property

From: Lars Povlsen <lars.povlsen@...rochip.com>

This documents the 'microchip,reset-switch-core' property in the
ocelot-reset driver.

Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
---
 .../devicetree/bindings/power/reset/ocelot-reset.txt        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt b/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
index 4d530d815484..20fff03753ad 100644
--- a/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
+++ b/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
@@ -9,9 +9,15 @@ microchip Sparx5 armv8 SoC's.
 Required Properties:
  - compatible: "mscc,ocelot-chip-reset" or "microchip,sparx5-chip-reset"
 
+Optional properties:
+- microchip,reset-switch-core : Perform a switch core reset at the
+  time of driver load. This is may be used to initialize the switch
+  core to a known state (before other drivers are loaded).
+
 Example:
 	reset@...0008 {
 		compatible = "mscc,ocelot-chip-reset";
 		reg = <0x1070008 0x4>;
+		microchip,reset-switch-core;
 	};
 
-- 
2.29.2