linux-kernel - [PATCH v4 0/2] pinctrl: nuvoton: add driver for NPCM7xx

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Message-Id: <20180730110406.132729-1-tmaimon77@gmail.com>
Date:   Mon, 30 Jul 2018 14:04:04 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     linus.walleij@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        yuenn@...gle.com, venture@...gle.com, brendanhiggins@...gle.com,
        avifishman70@...il.com, joel@....id.au
Cc:     devicetree@...r.kernel.org, openbmc@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v4 0/2] pinctrl: nuvoton: add driver for NPCM7xx

This patch set adds pinmux and GPIO controller for the Nuvoton
NPCM750/730/715/705 Baseboard Management Controller (BMC).

The Nuvoton BMC NPCM750/730/715/705 Pinmux functions accessible
only for pin groups and pinconf parameters available only for 
individual pins.

The Nuvoton BMC NPCM750/730/715/705 has eight identical GPIO 
modules, each module has 32 GPIO ports.

Most of the GPIO ports are multiplexed with other system functions.

The NPCM7xx pinctrl and GPIO driver tested on NPCM750 evaluation board.

this patch set depend on 
gpio: mmio: add inverted direction get_set io support approval.
https://lore.kernel.org/patchwork/patch/968891/
without adding BGPIOF_INVERTED_REG_DIR to include/linux/gpio/driver.h
the build will failed.

Addressed comments from:.
 - kbuild test robot: https://www.spinics.net/lists/kernel/msg2868491.html
 
conversion about it with Linus Walleij:
 - https://www.spinics.net/lists/devicetree/msg241973.html 
 
Changes since version 3:
 - Remove Kconfig MFD_SYSCON dependency.
 - Add BGPIOF_INVERTED_REG_DIR flag.
 - dt-binding documentation haven't changed.

Changes since version 2:
 - Using GPIO_GENERIC (mmio).
 - Add Kconfig MFD_SYSCON dependency.
 - Remove unnecessary code from the direction output function.
 - dt-binding documentation haven't changed.
				  
Changes since version 1:
 - Remove Kconfig MFD_SYSCON dependency.
 - Modify setfunc function.
 - Modify dt-binding documentation according Rob comments.

Tomer Maimon (2):
  dt-binding: pinctrl: Add NPCM7xx pinctrl and GPIO documentation
  pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver

 .../bindings/pinctrl/nuvoton,npcm7xx-pinctrl.txt   |  216 ++
 drivers/pinctrl/Kconfig                            |    1 +
 drivers/pinctrl/Makefile                           |    1 +
 drivers/pinctrl/nuvoton/Kconfig                    |   12 +
 drivers/pinctrl/nuvoton/Makefile                   |    4 +
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c          | 2082 ++++++++++++++++++++
 6 files changed, 2316 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/nuvoton,npcm7xx-pinctrl.txt
 create mode 100644 drivers/pinctrl/nuvoton/Kconfig
 create mode 100644 drivers/pinctrl/nuvoton/Makefile
 create mode 100644 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c

-- 
2.14.1