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Date: Wed, 13 May 2020 15:08:40 +0200
From: Lars Povlsen <lars.povlsen@...rochip.com>
To: Sebastian Reichel <sre@...nel.org>, SoC Team <soc@...nel.org>,
Rob Herring <robh+dt@...nel.org>
CC: Lars Povlsen <lars.povlsen@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
<linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property
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 4d530d8154848..20fff03753ad2 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;
};
--
2.26.2
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