linux-hardening - [PATCH 0/2]

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Message-Id: <20250506090844.1516-1-luyulin@eswincomputing.com>
Date: Tue,  6 May 2025 17:08:44 +0800
From: luyulin <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: zhengyu@...incomputing.com,
	ningyu@...incomputing.com,
	huangyifeng@...incomputing.com,
	linmin@...incomputing.com,
	fenglin@...incomputing.com,
	lianghujun@...incomputing.com,
	luyulin <luyulin@...incomputing.com>
Subject: [PATCH 0/2]

  This patch introduces a driver for the Eswin eic7700 SoC pinctrl
  controller, adding support for the pinctrl functionality in the Linux
  kernel. The driver provides basic functionality to manage and control
  the pinctrl signals for the eic7700 SoC.

  The driver integrates with the Linux pinctrl subsystem, enabling kernel
  code to trigger pinctrl operations on hardware and ensuring support for
  pin multiplexing and pin configuration.

  Features:

    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:
    I 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.

luyulin (2):
  dt-bindings: pinctrl: eswin: Document for eic7700 SoC
  pinctrl: eswin: Add eic7700 pinctrl driver

 .../pinctrl/eswin,eic7700-pinctrl.yaml        | 156 ++++
 drivers/pinctrl/Kconfig                       |  11 +
 drivers/pinctrl/Makefile                      |   1 +
 drivers/pinctrl/pinctrl-eic7700.c             | 701 ++++++++++++++++++
 4 files changed, 869 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/eswin,eic7700-pinctrl.yaml
 create mode 100644 drivers/pinctrl/pinctrl-eic7700.c

-- 
2.25.1