linux-kernel - [PATCH v3 0/2] Add gpio driver support for Realtek DHC SoCs

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Message-ID: <20231207100723.15015-1-tychang@realtek.com>
Date:   Thu, 7 Dec 2023 18:07:21 +0800
From:   TY Chang <tychang@...ltek.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC:     <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, TY Chang <tychang@...ltek.com>
Subject: [PATCH v3 0/2] Add gpio driver support for Realtek DHC SoCs

These patches add the bindings and the gpio driver for Realtek
DHC(Digital Home Center) RTD SoCs, including RTD1295, RTD1395,
RTD1619, RTD1319, RTD1619B, RTD1319D and RTD1315E.

Change log:
v2->v3:
1. Remove generic compatible and use SoC-specific compatible instead.
2. Add the missing descriptions for the rtd_gpio_info structure members.
3. Assign gpio_chip fwnode.
v1->v2:
1. Add description for DHC RTD SoCs in the bindings.
2. Revise the compatible names in the bindings.
3. Transitioned from OF API to platform_device API.
4. Use u8 for the offset array within the rtd_gpio_info structure.
5. Record the size of each array within the rtd_gpio_info structure and
   implement checks to prevent out-of-bounds access.
6. Use GPIOLIB_IRQCHIP helpers to register interrupts.
7. Use dynamic allocation for GPIO base.

Tzuyi Chang (2):
  dt-bindings: gpio: realtek: Add realtek,rtd-gpio
  Add GPIO support for Realtek DHC(Digital Home Center) RTD SoCs.

 .../bindings/gpio/realtek,rtd-gpio.yaml       |  69 ++
 drivers/gpio/Kconfig                          |   9 +
 drivers/gpio/Makefile                         |   1 +
 drivers/gpio/gpio-rtd.c                       | 748 ++++++++++++++++++
 4 files changed, 827 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/realtek,rtd-gpio.yaml
 create mode 100644 drivers/gpio/gpio-rtd.c

-- 
2.43.0