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-rw-r--r--dts/Bindings/iio/magnetometer/ak8975.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/dts/Bindings/iio/magnetometer/ak8975.txt b/dts/Bindings/iio/magnetometer/ak8975.txt
index 011679f1a4..e1e7dd3259 100644
--- a/dts/Bindings/iio/magnetometer/ak8975.txt
+++ b/dts/Bindings/iio/magnetometer/ak8975.txt
@@ -8,6 +8,8 @@ Required properties:
Optional properties:
- gpios : should be device tree identifier of the magnetometer DRDY pin
+ - vdd-supply: an optional regulator that needs to be on to provide VDD
+ - mount-matrix: an optional 3x3 mounting rotation matrix
Example:
@@ -15,4 +17,14 @@ ak8975@0c {
compatible = "asahi-kasei,ak8975";
reg = <0x0c>;
gpios = <&gpj0 7 0>;
+ vdd-supply = <&ldo_3v3_gnss>;
+ mount-matrix = "-0.984807753012208", /* x0 */
+ "0", /* y0 */
+ "-0.173648177666930", /* z0 */
+ "0", /* x1 */
+ "-1", /* y1 */
+ "0", /* z1 */
+ "-0.173648177666930", /* x2 */
+ "0", /* y2 */
+ "0.984807753012208"; /* z2 */
};