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-rw-r--r--Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt35
1 files changed, 20 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt b/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
index 6b33b9f18e88..f63fcb3ed352 100644
--- a/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
+++ b/Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
@@ -16,17 +16,22 @@ mux function to select on those pin(s)/group(s), and various pin configuration
parameters, such as input, output, pull up, pull down...
The name of each subnode is not important; all subnodes should be enumerated
-and processed purely based on their content.
+and processed purely based on their content. The subnodes use the generic
+pin multiplexing node layout from the standard pin control bindings
+(see pinctrl-bindings.txt):
-Required subnode-properties:
-- ste,pins : An array of strings. Each string contains the name of a pin or
- group.
-
-Optional subnode-properties:
-- ste,function: A string containing the name of the function to mux to the
+Required pin multiplexing subnode properties:
+- function: A string containing the name of the function to mux to the
pin or group.
+- groups : An array of strings. Each string contains the name of a pin
+ group that will be combined with the function to form a multiplexing
+ set-up.
-- ste,config: Handle of pin configuration node (e.g. ste,config = <&slpm_in_wkup_pdis>)
+Required pin configuration subnode properties:
+- pins: A string array describing the pins affected by the configuration
+ in the node.
+- ste,config: Handle of pin configuration node
+ (e.g. ste,config = <&slpm_in_wkup_pdis>)
- ste,input : <0/1/2>
0: input with no pull
@@ -97,32 +102,32 @@ Example board file extract:
uart0 {
uart0_default_mux: uart0_mux {
u0_default_mux {
- ste,function = "u0";
- ste,pins = "u0_a_1";
+ function = "u0";
+ pins = "u0_a_1";
};
};
uart0_default_mode: uart0_default {
uart0_default_cfg1 {
- ste,pins = "GPIO0", "GPIO2";
+ pins = "GPIO0", "GPIO2";
ste,input = <1>;
};
uart0_default_cfg2 {
- ste,pins = "GPIO1", "GPIO3";
+ pins = "GPIO1", "GPIO3";
ste,output = <1>;
};
};
uart0_sleep_mode: uart0_sleep {
uart0_sleep_cfg1 {
- ste,pins = "GPIO0", "GPIO2";
+ pins = "GPIO0", "GPIO2";
ste,config = <&slpm_in_wkup_pdis>;
};
uart0_sleep_cfg2 {
- ste,pins = "GPIO1";
+ pins = "GPIO1";
ste,config = <&slpm_out_hi_wkup_pdis>;
};
uart0_sleep_cfg3 {
- ste,pins = "GPIO3";
+ pins = "GPIO3";
ste,config = <&slpm_out_wkup_pdis>;
};
};