From: Ondrej Jirman <megi@xff.cz>

Pinephone Pro uses mpu6500 according to the schematic. This was verified
via `monitor-sensor --accel`. While rotating the device, the output was
correct (eg. when it was face up, left edge was up, vertical, etc.).

Co-developed-by: Martijn Braam <martijn@brixit.nl>
Signed-off-by: Martijn Braam <martijn@brixit.nl>
Co-developed-by: Kamil Trzciński <ayufan@ayufan.eu>
Signed-off-by: Kamil Trzciński <ayufan@ayufan.eu>
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
---
 arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
index 2d2858ee149e..f8c74b43ae9f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
@@ -543,7 +543,13 @@ mpu6500@68 {
 		reg = <0x68>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <RK_PC6 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&vcc_1v8>;
 		vddio-supply = <&vcc_1v8>;
+
+		mount-matrix =
+			"1", "0", "0",
+			"0", "-1", "0",
+			"0", "0", "-1";
 	};
 };
 

-- 
2.52.0