target/linux/generic/backport-5.10/797-v5.16-09-dt-bindings-net-dsa-qca8k-Document-qca-led-open-drai.patch

   1 From 924087c5c3d41553700b0eb83ca2a53b91643dca Mon Sep 17 00:00:00 2001
   2 From: Ansuel Smith <ansuelsmth@gmail.com>
   3 Date: Thu, 14 Oct 2021 00:39:14 +0200
   4 Subject: dt-bindings: net: dsa: qca8k: Document qca,led-open-drain binding
   5
   6 Document new binding qca,ignore-power-on-sel used to ignore
   7 power on strapping and use sw regs instead.
   8 Document qca,led-open.drain to set led to open drain mode, the
   9 qca,ignore-power-on-sel is mandatory with this enabled or an error will
  10 be reported.
  11
  12 Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
  13 Signed-off-by: David S. Miller <davem@davemloft.net>
  14 ---
  15  Documentation/devicetree/bindings/net/dsa/qca8k.txt | 11 +++++++++++
  16  1 file changed, 11 insertions(+)
  17
  18 --- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
  19 +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
  20 @@ -13,6 +13,17 @@ Required properties:
  21  Optional properties:
  22
  23  - reset-gpios: GPIO to be used to reset the whole device
  24 +- qca,ignore-power-on-sel: Ignore power on pin strapping to configure led open
  25 +                           drain or eeprom presence. This is needed for broken
  26 +                           devices that have wrong configuration or when the oem
  27 +                           decided to not use pin strapping and fallback to sw
  28 +                           regs.
  29 +- qca,led-open-drain: Set leds to open-drain mode. This requires the
  30 +                      qca,ignore-power-on-sel to be set or the driver will fail
  31 +                      to probe. This is needed if the oem doesn't use pin
  32 +                      strapping to set this mode and prefers to set it using sw
  33 +                      regs. The pin strapping related to led open drain mode is
  34 +                      the pin B68 for QCA832x and B49 for QCA833x
  35
  36  Subnodes:
  37