diff options
Diffstat (limited to 'dts/Bindings/mux/mux-controller.yaml')
| -rw-r--r-- | dts/Bindings/mux/mux-controller.yaml | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/dts/Bindings/mux/mux-controller.yaml b/dts/Bindings/mux/mux-controller.yaml index 736a84c3b6..c855fbad38 100644 --- a/dts/Bindings/mux/mux-controller.yaml +++ b/dts/Bindings/mux/mux-controller.yaml @@ -25,7 +25,9 @@ description: | -------------------- Mux controller nodes must specify the number of cells used for the - specifier using the '#mux-control-cells' property. + specifier using the '#mux-control-cells' or '#mux-state-cells' property. + The value of '#mux-state-cells' will always be one greater than the value + of '#mux-control-cells'. Optionally, mux controller nodes can also specify the state the mux should have when it is idle. The idle-state property is used for this. If the @@ -67,6 +69,8 @@ select: pattern: '^mux-controller' - required: - '#mux-control-cells' + - required: + - '#mux-state-cells' properties: $nodename: @@ -75,6 +79,9 @@ properties: '#mux-control-cells': enum: [ 0, 1 ] + '#mux-state-cells': + enum: [ 1, 2 ] + idle-state: $ref: /schemas/types.yaml#/definitions/int32 minimum: -2 @@ -179,4 +186,21 @@ examples: }; }; }; + + - | + #include <dt-bindings/gpio/gpio.h> + + mux1: mux-controller { + compatible = "gpio-mux"; + #mux-state-cells = <1>; + mux-gpios = <&exp_som 2 GPIO_ACTIVE_HIGH>; + }; + + transceiver4: can-phy4 { + compatible = "ti,tcan1042"; + #phy-cells = <0>; + max-bitrate = <5000000>; + standby-gpios = <&exp_som 7 GPIO_ACTIVE_HIGH>; + mux-states = <&mux1 1>; + }; ... |