Hi Andre, On 01/30/2024, André Draszik wrote: > Now that we have more than i2c interface, add aliases to ensure > deterministic bus number assignment. > > So as to keep compatibility with existing Pixel userspace builds, use > the same bus numbers for hsi2c_8 and hsi2c_12 as the downstream > drivers with the intention to eventually add all the earlier busses as > well. > > Suggested-by: Will McVicker <willmcvicker@xxxxxxxxxx> > Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx> Tested-by: Will McVicker <willmcvicker@xxxxxxxxxx> > > --- > Note, this patch should only be applied after series > "[PATCH v3 0/7] gs101 oriole: peripheral block 1 (peric1) and i2c12 support" > https://lore.kernel.org/all/20240129174703.1175426-1-andre.draszik@xxxxxxxxxx/ > --- > arch/arm64/boot/dts/exynos/google/gs101-oriole.dts | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts > index 6ccade2c8cb4..23314ed78c96 100644 > --- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts > +++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts > @@ -18,6 +18,8 @@ / { > compatible = "google,gs101-oriole", "google,gs101"; > > aliases { > + i2c7 = &hsi2c_8; > + i2c8 = &hsi2c_12; > serial0 = &serial_0; > }; > > -- > 2.43.0.429.g432eaa2c6b-goog > I verified this works on my device: # ls -l /sys/bus/i2c/devices/ total 0 <snip> 7-0050 -> ../../../devices/platform/soc@0/109700c0.usi/10970000.i2c/i2c-7/7-0050 <snip> i2c-7 -> ../../../devices/platform/soc@0/109700c0.usi/10970000.i2c/i2c-7 <snip> i2c-8 -> ../../../devices/platform/soc@0/10d500c0.usi/10d50000.i2c/i2c-8 Thanks, Will
