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authorMarek Szyprowski <m.szyprowski@samsung.com>2021-02-18 11:33:18 +0100
committerNeil Armstrong <narmstrong@baylibre.com>2021-02-18 11:37:26 +0100
commit289d0ead2887af6b1c013a96cc2c85100e1e591c (patch)
treeee4e378502d90c6c423a1fa7ff76688d02d8526e /arch
parenta638fba9fc77a2d6994671f5bb2afa3e730ff26f (diff)
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test: add a simple test for the adc-keys button driver
Add adc-keys device to the sandbox/test.dts and connect it to the channel #3 of the sandbox_adc driver. The default values sampled by sandbox_adc driver determines that button3 and button4 are released and button5 is pressed. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/sandbox/dts/test.dts28
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index e95f4631bf..202e091841 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -2,6 +2,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/gpio/sandbox-gpio.h>
+#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/sandbox-pinmux.h>
#include <dt-bindings/mux/mux.h>
@@ -69,6 +70,30 @@
};
};
+ buttons2 {
+ compatible = "adc-keys";
+ io-channels = <&adc 3>;
+ keyup-threshold-microvolt = <3000000>;
+
+ button-up {
+ label = "button3";
+ linux,code = <KEY_F3>;
+ press-threshold-microvolt = <1500000>;
+ };
+
+ button-down {
+ label = "button4";
+ linux,code = <KEY_F4>;
+ press-threshold-microvolt = <1000000>;
+ };
+
+ button-enter {
+ label = "button5";
+ linux,code = <KEY_F5>;
+ press-threshold-microvolt = <500000>;
+ };
+ };
+
cros_ec: cros-ec {
reg = <0 0>;
compatible = "google,cros-ec-sandbox";
@@ -587,8 +612,9 @@
i2c-eeprom = <&bootcount_i2c>;
};
- adc@0 {
+ adc: adc@0 {
compatible = "sandbox,adc";
+ #io-channel-cells = <1>;
vdd-supply = <&buck2>;
vss-microvolts = <0>;
};