mirror-linux/include
Pengyu Luo 7636f090d0
platform: arm64: add Huawei Matebook E Go EC driver
There are three variants of which Huawei released the first two
simultaneously.

Huawei Matebook E Go LTE(sc8180x), codename seems to be gaokun2.
Huawei Matebook E Go(sc8280xp@3.0GHz), codename must be gaokun3. (see [1])
Huawei Matebook E Go 2023(sc8280xp@2.69GHz), codename should be also gaokun3.

Adding support for the latter two variants for now, this driver should
also work for the sc8180x variant according to acpi table files, but I
don't have the device to test yet.

Different from other Qualcomm Snapdragon sc8280xp based machines, the
Huawei Matebook E Go uses an embedded controller while others use
a system called PMIC GLink. This embedded controller can be used to
perform a set of various functions, including, but not limited to:

- Battery and charger monitoring;
- Charge control and smart charge;
- Fn_lock settings;
- Tablet lid status;
- Temperature sensors;
- USB Type-C notifications (ports orientation,  DP alt mode HPD);
- USB Type-C PD (according to observation, up to 48w).

Add a driver for the EC which creates devices for UCSI and power supply
devices.

This driver is inspired by the following drivers:
        drivers/platform/arm64/acer-aspire1-ec.c
        drivers/platform/arm64/lenovo-yoga-c630.c
        drivers/platform/x86/huawei-wmi.c

Also thanks for reviewers' working. They have made this patch improve
a lot.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=219645

Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250214180656.28599-3-mitltlatltl@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-03-03 10:55:36 +02:00
..
acpi LoongArch changes for v6.14 2025-01-28 08:52:01 -08:00
asm-generic The various patchsets are summarized below. Plus of course many 2025-01-26 18:36:23 -08:00
clocksource KVM/arm64 updates for 6.14 2025-01-28 09:01:36 -08:00
crypto
cxl
drm
dt-bindings Char/Misc/IIO driver updates for 6.14-rc1 2025-01-27 16:51:51 -08:00
hyperv
keys keys: drop shadowing dead prototype 2025-01-21 11:25:23 +02:00
kunit linux_kselftest-kunit-6.14-rc1 2025-01-22 12:32:39 -08:00
kvm
linux platform: arm64: add Huawei Matebook E Go EC driver 2025-03-03 10:55:36 +02:00
math-emu
media
memory
misc
net ipsec-2025-01-27 2025-01-27 15:15:12 -08:00
pcmcia
ras
rdma
rv rv: Reset per-task monitors also for idle tasks 2025-01-23 12:16:04 -05:00
scsi Driver core and debugfs updates 2025-01-28 12:25:12 -08:00
soc soc: driver updates for 6.14 2025-01-24 14:56:59 -08:00
sound sound updates for 6.14-rc1 2025-01-24 07:54:34 -08:00
target
trace f2fs-for-6.14-rc1 2025-01-27 20:58:58 -08:00
uapi This pull request contains updates for UBI and UBIFS: 2025-01-30 18:27:02 -08:00
ufs
vdso
video
xen