[v3,2/4] dt-bindings: pinctrl: Document optional BCM7211 wake-up interrupts

Message ID 20200531001101.24945-3-f.fainelli@gmail.com
State New
Headers show
  • pinctrl: bcm2835: Add support for wake-up interrupts
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Commit Message

Florian Fainelli May 31, 2020, 12:10 a.m.
BCM7211 supports wake-up interrupts in the form of optional interrupt
lines, one per bank, plus the "all banks" interrupt line.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
 .../devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt         | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
index dfc67b90591c..5682b2010e50 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
@@ -16,7 +16,9 @@  Required properties:
   second cell is used to specify optional parameters:
   - bit 0 specifies polarity (0 for normal, 1 for inverted)
 - interrupts : The interrupt outputs from the controller. One interrupt per
-  individual bank followed by the "all banks" interrupt.
+  individual bank followed by the "all banks" interrupt. For BCM7211, an
+  additional set of per-bank interrupt line and an "all banks" wake-up
+  interrupt may be specified.
 - interrupt-controller: Marks the device node as an interrupt controller.
 - #interrupt-cells : Should be 2.
   The first cell is the GPIO number.