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authorAnsuel Smith <ansuelsmth@gmail.com>2021-10-14 01:39:14 +0300
committerDavid S. Miller <davem@davemloft.net>2021-10-15 13:06:37 +0300
commit924087c5c3d41553700b0eb83ca2a53b91643dca (patch)
treecdc1ae0b1e2ccdcb1bdafc69d280414efae0419c /Documentation
parentbbc4799e8bb6c397e3b3fec13de68e179f5db9ff (diff)
downloadlinux-924087c5c3d41553700b0eb83ca2a53b91643dca.tar.xz
dt-bindings: net: dsa: qca8k: Document qca,led-open-drain binding
Document new binding qca,ignore-power-on-sel used to ignore power on strapping and use sw regs instead. Document qca,led-open.drain to set led to open drain mode, the qca,ignore-power-on-sel is mandatory with this enabled or an error will be reported. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/dsa/qca8k.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
index 05a8ddfb5483..9e6748ec13da 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
+ devices 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 requires 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 prefers 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
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