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Intel has 2 completely different "Dollar Cove" PMICs for its Bay Trail / Cherry Trail SoCs. One is made by X-Powers and is called the AXP288. The AXP288's builtin charger and fuel-gauge functions are already supported by the axp288_charger / axp288_fuel_gauge drivers. The other "Dollar Cove" PMIC is made by TI and does not have any clear TI denomination, its MFD driver calls it the "Intel Dollar Cove TI PMIC". The Intel Dollar Cove TI PMIC comes with a coulomb-counters with limited functionality which is intended to work together with an always on micro-controller monitoring it for fuel-gauge functionality. Most devices with the Dollar Cove TI PMIC have full-featured fuel-gauge functionality exposed through ACPI with the information coming from either the embedded-controller or a separate full-featured fuel-gauge IC. But some designs lack this, add a battery-monitoring driver using the PMIC's coulomb-counter combined with the adc-battery-helper for capacity estimation for these designs. Register definitions were taken from kernel/drivers/platform/x86/dc_ti_cc.c from the Acer A1-840 Android kernel source-code archive named: "App. Guide_Acer_20151221_A_A.zip" which is distributed by Acer from the Acer A1-840 support page: https://www.acer.com/us-en/support/product-support/A1-840/downloads Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Hans de Goede <hansg@kernel.org> Link: https://lore.kernel.org/r/20250831122942.47875-6-hansg@kernel.org Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.