pinctrl: specify bindings for pins and groups
Pin configurations can be per-pin or per-group. Make sure that the
per-group case is covered by the bindings.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
index 4f5a0c3..98eb94d 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
@@ -157,7 +157,12 @@
Supported generic properties are:
pins - the list of pins that properties in the node
- apply to
+ apply to (either this or "group" has to be
+ specified)
+group - the group to apply the properties to, if the driver
+ supports configuration of whole groups rather than
+ individual pins (either this or "pins" has to be
+ specified)
bias-disable - disable any pin bias
bias-high-impedance - high impedance mode ("third-state", "floating")
bias-bus-hold - latch weakly
@@ -190,6 +195,10 @@
pins = "GPIO1_AJ3", "GPIO3_AH3"; /* RTS+TXD */
output-high;
};
+state_2_node_a {
+ group = "foo-group";
+ bias-pull-up;
+};
Some of the generic properties take arguments. For those that do, the
arguments are described below.
