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| author | Linus Walleij <linus.walleij@linaro.org> | 2014-10-02 11:41:46 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-10-02 11:41:46 +0400 |
| commit | 2cdef8f4e1ac28adc81326758a7767c18479a95d (patch) | |
| tree | ca4c049a19e107b14abd50ca151694d6fc444170 /Documentation | |
| parent | 8f1774a2a97135db35c5f42531a148135158705a (diff) | |
| download | linux-2cdef8f4e1ac28adc81326758a7767c18479a95d.tar.xz | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index 4f5a0c3af8b9..98eb94d91a1c 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -157,7 +157,12 @@ structure of the DT nodes that contain these properties. 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 @@ state_1_node_a { 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. |