[PATCH v2 0/9] mfd: Add support for Asus Transformer embedded controller

From: Svyatoslav Ryhel

Date: Mon Feb 09 2026 - 05:46:57 EST


Add support for embedded controller used in Asus Transformers for
managing power and input functions.

---
Changes in v2:
- converted sysfs debug exports into debugfs
- added kernel-doc comments for exposed functions
- fixed minor typos and inconsistencies
---

Michał Mirosław (7):
misc: Support Asus Transformer's EC access device
mfd: Add driver for Asus Transformer embedded controller
input: serio: Add driver for Asus Transformer dock keyboard and
touchpad
input: keyboard: Add driver for Asus Transformer dock multimedia keys
leds: Add driver for Asus Transformer LEDs
power: supply: Add driver for Asus Transformer battery
power: supply: Add charger driver for Asus Transformers

Svyatoslav Ryhel (2):
dt-bindings: misc: document ASUS Transformers EC DockRAM
dt-bindings: mfd: document ASUS Transformer EC

.../devicetree/bindings/mfd/asus,ec.yaml | 152 ++++++
.../bindings/misc/asus,dockram.yaml | 40 ++
drivers/input/keyboard/Kconfig | 10 +
drivers/input/keyboard/Makefile | 1 +
drivers/input/keyboard/asus-ec-keys.c | 285 +++++++++++
drivers/input/serio/Kconfig | 15 +
drivers/input/serio/Makefile | 1 +
drivers/input/serio/asus-ec-kbc.c | 160 ++++++
drivers/leds/Kconfig | 11 +
drivers/leds/Makefile | 1 +
drivers/leds/leds-asus-ec.c | 104 ++++
drivers/mfd/Kconfig | 15 +
drivers/mfd/Makefile | 1 +
drivers/mfd/asus-ec.c | 467 ++++++++++++++++++
drivers/misc/Kconfig | 9 +
drivers/misc/Makefile | 1 +
drivers/misc/asus-dockram.c | 370 ++++++++++++++
drivers/power/supply/Kconfig | 22 +
drivers/power/supply/Makefile | 2 +
drivers/power/supply/asus-ec-battery.c | 283 +++++++++++
drivers/power/supply/asus-ec-charger.c | 206 ++++++++
include/linux/mfd/asus-ec.h | 162 ++++++
22 files changed, 2318 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/asus,ec.yaml
create mode 100644 Documentation/devicetree/bindings/misc/asus,dockram.yaml
create mode 100644 drivers/input/keyboard/asus-ec-keys.c
create mode 100644 drivers/input/serio/asus-ec-kbc.c
create mode 100644 drivers/leds/leds-asus-ec.c
create mode 100644 drivers/mfd/asus-ec.c
create mode 100644 drivers/misc/asus-dockram.c
create mode 100644 drivers/power/supply/asus-ec-battery.c
create mode 100644 drivers/power/supply/asus-ec-charger.c
create mode 100644 include/linux/mfd/asus-ec.h

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2.51.0