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-rw-r--r--dts/Bindings/pinctrl/brcm,bcm2835-gpio.txt18
1 files changed, 18 insertions, 0 deletions
diff --git a/dts/Bindings/pinctrl/brcm,bcm2835-gpio.txt b/dts/Bindings/pinctrl/brcm,bcm2835-gpio.txt
index 2569866..3fac0a0 100644
--- a/dts/Bindings/pinctrl/brcm,bcm2835-gpio.txt
+++ b/dts/Bindings/pinctrl/brcm,bcm2835-gpio.txt
@@ -36,6 +36,24 @@ listed. In other words, a subnode that lists only a mux function implies no
information about any pull configuration. Similarly, a subnode that lists only
a pul parameter implies no information about the mux function.
+The BCM2835 pin configuration and multiplexing supports the generic bindings.
+For details on each properties, you can refer to ./pinctrl-bindings.txt.
+
+Required sub-node properties:
+ - pins
+ - function
+
+Optional sub-node properties:
+ - bias-disable
+ - bias-pull-up
+ - bias-pull-down
+ - output-high
+ - output-low
+
+Legacy pin configuration and multiplexing binding:
+*** (Its use is deprecated, use generic multiplexing and configuration
+bindings instead)
+
Required subnode-properties:
- brcm,pins: An array of cells. Each cell contains the ID of a pin. Valid IDs
are the integer GPIO IDs; 0==GPIO0, 1==GPIO1, ... 53==GPIO53.