linux-hardening - [PATCH v3 0/2] ESWIN EIC7700 pinctrl driver

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Message-Id: <20250514080928.385-1-luyulin@eswincomputing.com>
Date: Wed, 14 May 2025 16:09:28 +0800
From: Yulin Lu <luyulin@...incomputing.com>
To: linus.walleij@...aro.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kees@...nel.org,
	gustavoars@...nel.org,
	brgl@...ev.pl,
	linux-hardening@...r.kernel.org
Cc: ningyu@...incomputing.com,
	zhengyu@...incomputing.com,
	linmin@...incomputing.com,
	huangyifeng@...incomputing.com,
	fenglin@...incomputing.com,
	lianghujun@...incomputing.com,
	Yulin Lu <luyulin@...incomputing.com>
Subject: [PATCH v3 0/2] ESWIN EIC7700 pinctrl driver

  Implements support for the Eswin eic7700 SoC pinctrl controller.
  Provides API to manage pinctrl for the eic7700 SoC.
  Integration with the Linux pinctrl subsystem for consistency and
  scalability.

  Supported chips:
    Eswin eic7700 SoC.

  Test:
    Tested this patch on the Sifive HiFive Premier P550 (which uses
    the EIC7700 SoC), including system boot, networking, EMMC, display,
    and other peripherals. The drivers for these modules all use the
    pinctrl module, so this verifies that this pinctrl driver
    patch is working properly.

---
Changes since V2:
- Address the comments from Krzysztof Kozlowski, some commit information are modified.
- Fixed some errors and warnings reported by the kernel test robot.
- Modified the usage of some labels and syntax in the YAML file, as well as the usage
  of the dev_err_probe function, to make their application scenarios more accurate.
- Link: https://lore.kernel.org/all/20250506090844.1516-1-luyulin@eswincomputing.com/

Changes since V1:
- Made overall modifications to the driver structure and the DTS writing style.
- Link: https://lore.kernel.org/all/20250325141311.758787-1-emil.renner.berthing@canonical.com/

Yulin Lu (2):
  dt-bindings: pinctrl: eswin: Document for EIC7700 SoC
  pinctrl: eswin: Add EIC7700 pinctrl driver

 .../pinctrl/eswin,eic7700-pinctrl.yaml        | 157 ++++
 drivers/pinctrl/Kconfig                       |  11 +
 drivers/pinctrl/Makefile                      |   1 +
 drivers/pinctrl/pinctrl-eic7700.c             | 702 ++++++++++++++++++
 4 files changed, 871 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/eswin,eic7700-pinctrl.yaml
 create mode 100644 drivers/pinctrl/pinctrl-eic7700.c

-- 
2.25.1