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Date:   Sun, 10 Oct 2021 13:15:53 +0200
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ansuel Smith <ansuelsmth@...il.com>
Subject: [net-next PATCH v4 10/13] dt-bindings: net: dsa: qca8k: document open drain binding

Document new binding qca,power_on_sel used to enable Power-on-strapping
select reg and qca,led_open_drain to set led to open drain mode.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 Documentation/devicetree/bindings/net/dsa/qca8k.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
index 05a8ddfb5483..71cd45818430 100644
--- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
+++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
@@ -13,6 +13,17 @@ Required properties:
 Optional properties:
 
 - reset-gpios: GPIO to be used to reset the whole device
+- qca,ignore-power-on-sel: Ignore power on pin strapping to configure led open
+                           drain or eeprom presence. This is needed for broken
+                           device that have wrong configuration or when the oem
+                           decided to not use pin strapping and fallback to sw
+                           regs.
+- qca,led-open-drain: Set leds to open-drain mode. This require the
+                      qca,ignore-power-on-sel to be set or the driver will fail
+                      to probe. This is needed if the oem doesn't use pin
+                      strapping to set this mode and prefer to set it using sw
+                      regs. The pin strapping related to led open drain mode is
+                      the pin B68 for QCA832x and B49 for QCA833x
 
 Subnodes:
 
-- 
2.32.0

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