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authorPeter Rosin <peda@axentia.se>2017-03-18 01:24:46 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-04-14 10:38:50 +0300
commite67cedc92812d6c270be0bd227d0757e4f25bcff (patch)
tree8eba105adcb4af32e45e360fdaa54b74b37ad576 /arch/arm/boot/dts
parent1142f1760a4c1b6f55835de89424114b085b1ca1 (diff)
downloadlinux-e67cedc92812d6c270be0bd227d0757e4f25bcff.tar.xz
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>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r--arch/arm/boot/dts/at91-tse850-3.dts29
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/at91-tse850-3.dts b/arch/arm/boot/dts/at91-tse850-3.dts
index 669a2c6bdefc..498fba3e52b5 100644
--- a/arch/arm/boot/dts/at91-tse850-3.dts
+++ b/arch/arm/boot/dts/at91-tse850-3.dts
@@ -86,16 +86,43 @@
#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";