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pinctrl: fix up device tree bindings

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After the Nomadik pin controller was force migrated to generic pin
control bindings, some leftovers in the documentation need to be
cleaned up. The code and device trees are already migrated.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Linus Walleij 2015-01-10 22:14:17 +01:00 committed by Rob Herring
parent 96225fdf69
commit 9a4305bde4
1 changed files with 20 additions and 15 deletions
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35
Documentation/devicetree/bindings/pinctrl/ste,nomadik.txt
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@ -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... parameters, such as input, output, pull up, pull down...
The name of each subnode is not important; all subnodes should be enumerated 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: Required pin multiplexing subnode properties:
- ste,pins : An array of strings. Each string contains the name of a pin or - function: A string containing the name of the function to mux to the
group.
Optional subnode-properties:
- ste,function: A string containing the name of the function to mux to the
pin or group. 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> - ste,input : <0/1/2>
0: input with no pull 0: input with no pull
@ -97,32 +102,32 @@ Example board file extract:
uart0 { uart0 {
uart0_default_mux: uart0_mux { uart0_default_mux: uart0_mux {
u0_default_mux { u0_default_mux {
ste,function = "u0"; function = "u0";
ste,pins = "u0_a_1"; pins = "u0_a_1";
}; };
}; };
uart0_default_mode: uart0_default { uart0_default_mode: uart0_default {
uart0_default_cfg1 { uart0_default_cfg1 {
ste,pins = "GPIO0", "GPIO2"; pins = "GPIO0", "GPIO2";
ste,input = <1>; ste,input = <1>;
}; };
uart0_default_cfg2 { uart0_default_cfg2 {
ste,pins = "GPIO1", "GPIO3"; pins = "GPIO1", "GPIO3";
ste,output = <1>; ste,output = <1>;
}; };
}; };
uart0_sleep_mode: uart0_sleep { uart0_sleep_mode: uart0_sleep {
uart0_sleep_cfg1 { uart0_sleep_cfg1 {
ste,pins = "GPIO0", "GPIO2"; pins = "GPIO0", "GPIO2";
ste,config = <&slpm_in_wkup_pdis>; ste,config = <&slpm_in_wkup_pdis>;
}; };
uart0_sleep_cfg2 { uart0_sleep_cfg2 {
ste,pins = "GPIO1"; pins = "GPIO1";
ste,config = <&slpm_out_hi_wkup_pdis>; ste,config = <&slpm_out_hi_wkup_pdis>;
}; };
uart0_sleep_cfg3 { uart0_sleep_cfg3 {
ste,pins = "GPIO3"; pins = "GPIO3";
ste,config = <&slpm_out_wkup_pdis>; ste,config = <&slpm_out_wkup_pdis>;
}; };
}; };