linux-kernel - [PATCH v3 0/2] Add pinctrl support for S32 SoC family

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Date:   Wed, 21 Dec 2022 15:32:30 +0800
From:   Chester Lin <clin@...e.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Fabio Estevam <festevam@...il.com>,
        Shawn Guo <shawnguo@...nel.org>, Jacky Bai <ping.bai@....com>,
        Andreas Färber <afaerber@...e.de>
Cc:     Chester Lin <clin@...e.com>, s32@....com,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Larisa Grigore <larisa.grigore@....com>,
        Ghennadi Procopciuc <Ghennadi.Procopciuc@....nxp.com>,
        Andrei Stefanescu <andrei.stefanescu@....com>,
        Radu Pirea <radu-nicolae.pirea@....com>,
        Matthias Brugger <mbrugger@...e.com>
Subject: [PATCH v3 0/2] Add pinctrl support for S32 SoC family

Hello,

Here I want to introduce a new patch series, which aims to support IOMUX
functions provided by SIUL2 [System Integration Unit Lite2] on S32 SoCs,
such as S32G2. This series is originally from NXP's implementation on
CodeAurora[1] and it will be required by upstream kernel for supporting
a variety of devices on S32 SoCs which need to config PINMUXs, such as
PHYs and MAC controllers.

Thanks,
Chester

Changes in v3:
- dt-bindings:
  - Remove the minItems from reg because there's no optional item for
    s32g2.
  - List supported properties of pinmux-node and pincfg-node and add more
    descriptions.
  - Adjust the location of "required:".
  - Fix descriptions and wordings.
  - Rename the yaml file to nxp,s32g2-siul2-pinctrl.yaml.
- Rename pinctrl-s32g.c to pinctrl-s32g2.c
- Adjust Kconfig options [menu-invisible] and names [S32G -> S32G2].
- Add .suppress_bind_attrs
- Drop the .remove callback and replace the module_platform_driver() call
  with builtin_platform_driver()

Changes in v2:
- Move the "nxp,pins" ID range information from DT to the driver.
- dt-bindings:
  - Fix schema issues.
  - Add descriptions for reg entries.
  - Revise the example.
- Refine the compatible name from "nxp,s32g-..." to "nxp,s32g2-...".
- Fix the copyright format suggested by NXP.

[1] https://source.codeaurora.org/external/autobsps32/linux/tree/drivers/pinctrl/freescale?h=bsp34.0-5.10.120-rt

Chester Lin (2):
  dt-bindings: pinctrl: add schema for NXP S32 SoCs
  pinctrl: add NXP S32 SoC family support

 .../pinctrl/nxp,s32g2-siul2-pinctrl.yaml      | 129 +++
 drivers/pinctrl/freescale/Kconfig             |  14 +
 drivers/pinctrl/freescale/Makefile            |   2 +
 drivers/pinctrl/freescale/pinctrl-s32.h       |  76 ++
 drivers/pinctrl/freescale/pinctrl-s32cc.c     | 983 ++++++++++++++++++
 drivers/pinctrl/freescale/pinctrl-s32g2.c     | 773 ++++++++++++++
 6 files changed, 1977 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
 create mode 100644 drivers/pinctrl/freescale/pinctrl-s32.h
 create mode 100644 drivers/pinctrl/freescale/pinctrl-s32cc.c
 create mode 100644 drivers/pinctrl/freescale/pinctrl-s32g2.c

-- 
2.37.3