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ARM: dts: at91: add envelope detector mux to the Axentia TSE-850 

The envelope detector can analyze 6 different signals, selectable with a
mux controlled by three gpio pins.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Peter Rosin 2017-03-17 23:24:46 +01:00 committed by Alexandre Belloni
parent 1142f1760a
commit e67cedc928
1 changed files with 28 additions and 1 deletions
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29
arch/arm/boot/dts/at91-tse850-3.dts
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@ -86,16 +86,43 @@ dac: dpot-dac {
#io-channel-cells = <1>;
};
envelope-detector {
env_det: envelope-detector {
compatible = "axentia,tse850-envelope-detector";
io-channels = <&dac 0>;
io-channel-names = "dac";
#io-channel-cells = <1>;
interrupt-parent = <&pioA>;
interrupts = <3 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "comp";
};
mux: mux-controller {
compatible = "gpio-mux";
#mux-control-cells = <0>;
mux-gpios = <&pioA 0 GPIO_ACTIVE_HIGH>,
<&pioA 1 GPIO_ACTIVE_HIGH>,
<&pioA 2 GPIO_ACTIVE_HIGH>;
idle-state = <0>;
};
envelope-detector-mux {
compatible = "io-channel-mux";
io-channels = <&env_det 0>;
io-channel-names = "parent";
mux-controls = <&mux>;
channels = "", "",
"sync-1",
"in",
"out",
"sync-2",
"sys-reg",
"ana-reg";
};
leds {
compatible = "gpio-leds";