arm64: dts: renesas: ulcb-kf: Add 9-asix sensor device

This adds nodes for the lsm9ds0 sensor installed on the KF board.

With this patch, the sensor data becomes available over the IIO sysfs
interface.

The interrupt definition is not added yet, because the interrupt lines
of lsm9ds0 are pulled to VCC on the board, which implies a need for
active-low configuration. But the st_sensors drivers currently can't
work with active-low interrupts on this chip.

Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Link: https://lore.kernel.org/r/20220112205205.4082026-1-nikita.yoush@cogentembedded.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 222097d84783d0ea7a0a626812d2ad58c7e78b30..30f185547012a09fcbd180f54f6184a6131af7fe 100644 (file)
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -37,6 +37,13 @@
                };
        };
 
+       accel_3v3: regulator-acc-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "accel-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
        hdmi_1v8: regulator-hdmi-1v8 {
                compatible = "regulator-fixed";
                regulator-name = "hdmi-1v8";
@@ -178,6 +185,14 @@
                        #size-cells = <0>;
                        reg = <7>;
 
+                       accelerometer@1d {
+                               compatible = "st,lsm9ds0-imu";
+                               reg = <0x1d>;
+
+                               vdd-supply = <&accel_3v3>;
+                               vddio-supply = <&accel_3v3>;
+                       };
+
                        pcm3168a: audio-codec@44 {
                                #sound-dai-cells = <0>;
                                compatible = "ti,pcm3168a";
@@ -212,6 +227,14 @@
                                        };
                                };
                        };
+
+                       gyroscope@6b {
+                               compatible = "st,lsm9ds0-gyro";
+                               reg = <0x6b>;
+
+                               vdd-supply = <&accel_3v3>;
+                               vddio-supply = <&accel_3v3>;
+                       };
                };
        };