linux-kernel - [PATCH v6 0/3] Renesas R9A06G032 PINCTRL Driver

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Message-Id: <20180927135922.12015-1-phil.edworthy@renesas.com>
Date:   Thu, 27 Sep 2018 14:59:19 +0100
From:   Phil Edworthy <phil.edworthy@...esas.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Jacopo Mondi <jacopo@...ndi.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Simon Horman <horms@...ge.net.au>, linux-gpio@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Phil Edworthy <phil.edworthy@...esas.com>,
        devicetree@...r.kernel.org
Subject: [PATCH v6 0/3] Renesas R9A06G032 PINCTRL Driver

This implements the pinctrl driver for the RZ/N1 family of devices, including
the R9A06G032 (RZ/N1D) device.

This series was originally written by Michel Pollet whilst at Renesas, and I
have taken over this work.

Main changes:
v6:
 - Instead of combining the pin nr and func into a single element, use
   a pair of 8-bit elements.
 - Simplified how the MDIO function is calculated

v5:
 - Address Jacopo's further comments
 - Address Geert's comments

v4:
 - Address Jacopo's comments
 - Add alternative way to use the pinmux prop.
 - Remove mention of gpios.
 - Implement pin_config_group_get()
 - Fix function to get pin configs, i.e. return -EINVAL when disabled.

v3:
 - Use standard DT props instead of proprietary ones.
 - Replace virtual pins used for MDIO muxing with extra funcs.
 - Use pinctrl_utils funcs to handle the maps.
 - Remove the dbg functions to keep things simple.
 - Change the way the functions are defined so it is easy to check
   against the hardware numbering.

v2:
 - Change to generic rzn1 family driver, instead of device specific.
 - Review comments fixed.
 - Fix error handling during probe

Phil Edworthy (3):
  dt-bindings: pinctrl: renesas,rzn1-pinctrl: documentation
  pinctrl: renesas: Renesas RZ/N1 pinctrl driver
  ARM: dts: r9a06g032: Add pinctrl node

 .../bindings/pinctrl/renesas,rzn1-pinctrl.txt | 155 +++
 arch/arm/boot/dts/r9a06g032.dtsi              |   8 +
 drivers/pinctrl/Kconfig                       |  10 +
 drivers/pinctrl/Makefile                      |   1 +
 drivers/pinctrl/pinctrl-rzn1.c                | 941 ++++++++++++++++++
 include/dt-bindings/pinctrl/rzn1-pinctrl.h    | 135 +++
 6 files changed, 1250 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/renesas,rzn1-pinctrl.txt
 create mode 100644 drivers/pinctrl/pinctrl-rzn1.c
 create mode 100644 include/dt-bindings/pinctrl/rzn1-pinctrl.h

-- 
2.17.1