On 24-09-19 21:15, Dragan Simic wrote: > The way InvenSense MPU-6050 accelerometer is mounted on the user-facing side > of the Pine64 PinePhone mainboard, which makes it rotated 90 degrees counter- > clockwise, [1] requires the accelerometer's x- and y-axis to be swapped, and > the direction of the accelerometer's y-axis to be inverted. > > Rectify this by adding a mount-matrix to the accelerometer definition in the > Pine64 PinePhone dtsi file. > > [1] https://files.pine64.org/doc/PinePhone/PinePhone%20mainboard%20bottom%20placement%20v1.1%2020191031.pdf > > Fixes: 91f480d40942 ("arm64: dts: allwinner: Add initial support for Pine64 PinePhone") > Cc: stable@xxxxxxxxxxxxxxx > Helped-by: Ondrej Jirman <megi@xxxxxx> > Helped-by: Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx> > Signed-off-by: Dragan Simic <dsimic@xxxxxxxxxxx> > --- > > Notes: > See also the linux-sunxi thread [2] that has led to this patch, which > provides a rather detailed analysis with additional details and pictures. > This patch effectively replaces the patch submitted in that thread. > > [2] https://lore.kernel.org/linux-sunxi/20240916204521.2033218-1-andrej.skvortzov@xxxxxxxxx/T/#u > > arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi > index 6eab61a12cd8..b844759f52c0 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi > @@ -212,6 +212,9 @@ accelerometer@68 { > interrupts = <7 5 IRQ_TYPE_EDGE_RISING>; /* PH5 */ > vdd-supply = <®_dldo1>; > vddio-supply = <®_dldo1>; > + mount-matrix = "0", "1", "0", > + "-1", "0", "0", > + "0", "0", "1"; > }; > }; > I've applied the patch to next-20240920, built and run on a device. Sensor now works as expected. Screen rotating in Phosh according to the device orientation. Reviewed-by: Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx> -- Best regards, Andrey Skvortsov
