linux-kernel - [PATCH v2 0/6] mfd: Add support for Khadas Microcontroller

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Message-Id: <20200512132613.31507-1-narmstrong@baylibre.com>
Date:   Tue, 12 May 2020 15:26:07 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com, lee.jones@...aro.org, rui.zhang@...el.com,
        daniel.lezcano@...aro.org, amit.kucheria@...durent.com,
        srinivas.kandagatla@...aro.org
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/6] mfd: Add support for Khadas Microcontroller

The new Khadas VIM2, VIM3 and Edge boards embeds an on-board microcontroller
connected via I2C.

This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and Edge
boards.

It has multiple boot control features like password check, power-on
options, power-off control and system FAN control on recent boards.

Thie serie adds :
- the bindings
- the MFD driver
- the HWMON cell driver
- the NVMEM cell driver
- updates MAINTAINERS
- add support into the Khadas VIM3/VIM3L DT

Patch 6 depends on [1].

Changes since RFC v1 at [2]:
- moved hwmon driver to thermal-only
- moved the SM1 thermal nodes in a separate serie
- added the bindings review tag from rob

[1] http://lore.kernel.org/r/20200512093916.19676-1-narmstrong@baylibre.com
[2] http://lore.kernel.org/r/20200421080102.22796-1-narmstrong@baylibre.com

Neil Armstrong (6):
  dt-bindings: mfd: add Khadas Microcontroller bindings
  mfd: add support for the Khadas System control Microcontroller
  thermal: add support for the MCU controlled FAN on Khadas boards
  nvmem: add support for the Khadas MCU Programmable User Memory
  MAINTAINERS: add myself as maintainer for Khadas MCU drivers
  arm64: dts: meson-khadas-vim3: add Khadas MCU nodes

 .../devicetree/bindings/mfd/khadas,mcu.yaml   |  44 +++++
 MAINTAINERS                                   |  10 +
 .../boot/dts/amlogic/meson-khadas-vim3.dtsi   |  23 +++
 drivers/mfd/Kconfig                           |  14 ++
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/khadas-mcu.c                      | 143 ++++++++++++++
 drivers/nvmem/Kconfig                         |   8 +
 drivers/nvmem/Makefile                        |   2 +
 drivers/nvmem/khadas-mcu-user-mem.c           | 128 +++++++++++++
 drivers/thermal/Kconfig                       |  10 +
 drivers/thermal/Makefile                      |   1 +
 drivers/thermal/khadas_mcu_fan.c              | 174 ++++++++++++++++++
 include/linux/mfd/khadas-mcu.h                |  91 +++++++++
 13 files changed, 649 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
 create mode 100644 drivers/mfd/khadas-mcu.c
 create mode 100644 drivers/nvmem/khadas-mcu-user-mem.c
 create mode 100644 drivers/thermal/khadas_mcu_fan.c
 create mode 100644 include/linux/mfd/khadas-mcu.h

-- 
2.22.0