diff options
| author | Mircea Caprioru <mircea.caprioru@analog.com> | 2018-08-01 10:37:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-02 10:23:01 +0200 |
| commit | 94aea0c6f7bdb5d224b1f48ab0e93f40bf447a4c (patch) | |
| tree | 762bbfbf88b3345a8e85aa462fc66e53ad193a31 | |
| parent | 572086325ce9a9e348b8748e830653f3959e88b6 (diff) | |
dt-bindings: mux: add adi,adgs1408
Adding documentation for adgs1408/1409 multiplexer. The bindings
follow the standard SPI and mux bindings and do not require any
additional custom properties.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
[peda: reword idle-state to non-array for singular mux controller]
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mux/adi,adgs1408.txt | 48 | ||||
| -rw-r--r-- | MAINTAINERS | 6 |
2 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mux/adi,adgs1408.txt b/Documentation/devicetree/bindings/mux/adi,adgs1408.txt new file mode 100644 index 000000000000..be6947f4d86b --- /dev/null +++ b/Documentation/devicetree/bindings/mux/adi,adgs1408.txt @@ -0,0 +1,48 @@ +Bindings for Analog Devices ADGS1408/1409 8:1/Dual 4:1 Mux + +Required properties: +- compatible : Should be one of + * "adi,adgs1408" + * "adi,adgs1409" +* Standard mux-controller bindings as described in mux-controller.txt + +Optional properties for ADGS1408/1409: +- gpio-controller : if present, #gpio-cells is required. +- #gpio-cells : should be <2> + - First cell is the GPO line number, i.e. 0 to 3 + for ADGS1408 and 0 to 4 for ADGS1409 + - Second cell is used to specify active high (0) + or active low (1) + +Optional properties: +- idle-state : if present, the state that the mux controller will have + when idle. The special state MUX_IDLE_AS_IS is the default and + MUX_IDLE_DISCONNECT is also supported. + +States 0 through 7 correspond to signals S1 through S8 in the datasheet. +For ADGS1409 only states 0 to 3 are available. + +Example: + + /* + * One mux controller. + * Mux state set to idle as is (no idle-state declared) + */ + &spi0 { + mux: mux-controller@0 { + compatible = "adi,adgs1408"; + reg = <0>; + spi-max-frequency = <1000000>; + #mux-control-cells = <0>; + }; + } + + adc-mux { + compatible = "io-channel-mux"; + io-channels = <&adc 1>; + io-channel-names = "parent"; + mux-controls = <&mux>; + + channels = "out_a0", "out_a1", "test0", "test1", + "out_b0", "out_b1", "testb0", "testb1"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index f53d58a3b47e..3464b94bf56a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -810,6 +810,12 @@ L: linux-media@vger.kernel.org S: Maintained F: drivers/media/i2c/ad9389b* +ANALOG DEVICES INC ADGS1408 DRIVER +M: Mircea Caprioru <mircea.caprioru@analog.com> +S: Supported +F: drivers/mux/adgs1408.c +F: Documentation/devicetree/bindings/mux/adgs1408.txt + ANALOG DEVICES INC ADV7180 DRIVER M: Lars-Peter Clausen <lars@metafoo.de> L: linux-media@vger.kernel.org |