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André Draszik 8deaddf135 arm64: dts: exynos: gs101-pixel-common: add Maxim MAX77759 PMIC
On Pixel 6 (and Pro), a MAX77759 companion PMIC for USB Type-C
applications is used, which contains four functional blocks (at
distinct I2C addresses):
  * top (including GPIO & NVMEM)
  * charger
  * fuel gauge
  * TCPCi

This change adds the PMIC and the subnodes for the GPIO expander and
NVMEM, and defines the NVMEM layout.

The NVMEM layout is declared such that it matches downstream's
open-coded configuration [1].

Note:
The pinctrl nodes are kept sorted by the 'samsung,pins' property rather
than node name, as I think that makes it easier to look at and to add
new nodes unambiguously in the future. Its label is prefixed with 'if'
(for interface), because there are three PMICs in total in use on
Pixel 6 (Pro).

Link: https://android.googlesource.com/kernel/google-modules/bms/+/96e729a83817/max77759_maxq.c#67 [1]
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250524-b4-max77759-mfd-dts-v2-2-b479542eb97d@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
History 2025-06-27 11:13:14 +02:00
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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.