Linux GPIO subsystem development
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From: Changhuang Liang <changhuang.liang@starfivetech.com>
To: Linus Walleij <linusw@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Emil Renner Berthing <kernel@esmil.dk>,
	Paul Walmsley <pjw@kernel.org>, Albert Ou <aou@eecs.berkeley.edu>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Alexandre Ghiti <alex@ghiti.fr>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Bartosz Golaszewski <brgl@kernel.org>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	Lianfeng Ouyang <lianfeng.ouyang@starfivetech.com>,
	Changhuang Liang <changhuang.liang@starfivetech.com>
Subject: [PATCH v4 00/21] Add basic pinctrl drivers for JHB100 SoC
Date: Sat,  1 Aug 2026 00:26:50 -0700	[thread overview]
Message-ID: <20260801072711.153217-1-changhuang.liang@starfivetech.com> (raw)

The JHB100 SoC has 13 pinctrl domains - sys0, sys0h, sys1, sys2, per0, per1,
per2, per2pok, per3, adc0, adc1, emmc, and vga.

In the current series, we will only add the following pinctrl:
 - sys0, sys0h, sys1, sys2
 - per0, per1, per2, per2pok, per3

The remaining pinctrl will be implemented in future series.

This series depends on the series:
https://lore.kernel.org/all/20260508053632.818548-1-changhuang.liang@starfivetech.com/

Change since v3:

PATCH 3/5/7/9/11/13/15/17/19:
- Restrict input-debounce-ns to a maximum of 10,485,680.

PATCH 9/11/13/15/19/21:
- Change power-source to set the actual voltage in millivolts.

PATCH 19:
- Add support for an option to set 2500 mV.

PATCH 4:
- Use GPIO_GENERIC to register the GPIO controller.
- Acquire sfp->lock with raw_spinlock_irqsave guard.
- Implement the .gpio_request_enable and .gpio_set_direction
  callbacks for struct pinmux_ops。
- Add reset_control_assert on driver unload.
- Convert the pincfg structure to an enum array.
- Simplify the calculation of the number of GPIOs in a GPIO bank.
- Remove check_pinctrl_layouts() to improve code readability.

PATCH 4/6/8/10/12/14/16/18/20:
- Add const qualifiers to struct config_reg_layout_desc
  and struct starfive_pinctrl_regs.

v3: https://lore.kernel.org/all/20260603055347.66845-1-changhuang.liang@starfivetech.com/
v2: https://lore.kernel.org/all/20260514111218.94519-1-changhuang.liang@starfivetech.com/
v1: https://lore.kernel.org/all/20260424111330.702272-1-changhuang.liang@starfivetech.com/


Changhuang Liang (21):
  dt-bindings: pincfg-node: Add property 'input-debounce-ns'
  pinctrl: pinconf-generic: Add property 'input-debounce-ns'
  dt-bindings: pinctrl: Add starfive,jhb100-sys0-pinctrl
  pinctrl: starfive: Add StarFive JHB100 sys0 controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-sys0h-pinctrl
  pinctrl: starfive: Add StarFive JHB100 sys0h controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-sys1-pinctrl
  pinctrl: starfive: Add StarFive JHB100 sys1 controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-sys2-pinctrl
  pinctrl: starfive: Add StarFive JHB100 sys2 controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-per0-pinctrl
  pinctrl: starfive: Add StarFive JHB100 per0 controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-per1-pinctrl
  pinctrl: starfive: Add StarFive JHB100 per1 controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-per2-pinctrl
  pinctrl: starfive: Add StarFive JHB100 per2 controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-per2pok-pinctrl
  pinctrl: starfive: Add StarFive JHB100 per2pok controller driver
  dt-bindings: pinctrl: Add starfive,jhb100-per3-pinctrl
  pinctrl: starfive: Add StarFive JHB100 per3 controller driver
  riscv: dts: starfive: jhb100: Add pinctrl nodes

 .../bindings/pinctrl/pincfg-node.yaml         |   11 +
 .../pinctrl/starfive,jhb100-per0-pinctrl.yaml |  180 ++
 .../pinctrl/starfive,jhb100-per1-pinctrl.yaml |  179 ++
 .../pinctrl/starfive,jhb100-per2-pinctrl.yaml |  168 ++
 .../starfive,jhb100-per2pok-pinctrl.yaml      |  162 ++
 .../pinctrl/starfive,jhb100-per3-pinctrl.yaml |  166 ++
 .../pinctrl/starfive,jhb100-sys0-pinctrl.yaml |  164 ++
 .../starfive,jhb100-sys0h-pinctrl.yaml        |  162 ++
 .../pinctrl/starfive,jhb100-sys1-pinctrl.yaml |  164 ++
 .../pinctrl/starfive,jhb100-sys2-pinctrl.yaml |  170 ++
 MAINTAINERS                                   |    9 +
 arch/riscv/boot/dts/starfive/jhb100-evb1.dts  |    3 +
 .../boot/dts/starfive/jhb100-pinctrl.dtsi     |   23 +
 arch/riscv/boot/dts/starfive/jhb100.dtsi      |  110 ++
 drivers/pinctrl/pinconf-generic.c             |    2 +
 drivers/pinctrl/starfive/Kconfig              |  108 ++
 drivers/pinctrl/starfive/Makefile             |   11 +
 .../starfive/pinctrl-starfive-jhb100-per0.c   |  153 ++
 .../starfive/pinctrl-starfive-jhb100-per1.c   |  163 ++
 .../starfive/pinctrl-starfive-jhb100-per2.c   |  124 ++
 .../pinctrl-starfive-jhb100-per2pok.c         |   96 ++
 .../starfive/pinctrl-starfive-jhb100-per3.c   |  118 ++
 .../starfive/pinctrl-starfive-jhb100-sys0.c   |  119 ++
 .../starfive/pinctrl-starfive-jhb100-sys0h.c  |   96 ++
 .../starfive/pinctrl-starfive-jhb100-sys1.c   |   92 ++
 .../starfive/pinctrl-starfive-jhb100-sys2.c   |  132 ++
 .../starfive/pinctrl-starfive-jhb100.c        | 1456 +++++++++++++++++
 .../starfive/pinctrl-starfive-jhb100.h        |  159 ++
 .../pinctrl/starfive,jhb100-pinctrl.h         |  247 +++
 include/linux/pinctrl/pinconf-generic.h       |    5 +
 30 files changed, 4752 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-per0-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-per1-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-per2-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-per2pok-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-per3-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-sys0-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-sys0h-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-sys1-pinctrl.yaml
 create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jhb100-sys2-pinctrl.yaml
 create mode 100644 arch/riscv/boot/dts/starfive/jhb100-pinctrl.dtsi
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per0.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per1.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per2.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per2pok.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-per3.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-sys0.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-sys0h.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-sys1.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100-sys2.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100.c
 create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive-jhb100.h
 create mode 100644 include/dt-bindings/pinctrl/starfive,jhb100-pinctrl.h

--
2.25.1

             reply	other threads:[~2026-08-01 14:03 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-01  7:26 Changhuang Liang [this message]
2026-08-01  7:26 ` [PATCH v4 01/21] dt-bindings: pincfg-node: Add property 'input-debounce-ns' Changhuang Liang
2026-08-03 14:13   ` Rob Herring
2026-08-04  1:12     ` Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 02/21] pinctrl: pinconf-generic: " Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 03/21] dt-bindings: pinctrl: Add starfive,jhb100-sys0-pinctrl Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 04/21] pinctrl: starfive: Add StarFive JHB100 sys0 controller driver Changhuang Liang
2026-08-02 22:23   ` Uwe Kleine-König
2026-08-04  1:09     ` Changhuang Liang
2026-08-03 15:28   ` Philipp Zabel
2026-08-04  1:21     ` Changhuang Liang
2026-08-04 20:30   ` Linus Walleij
2026-08-01  7:26 ` [PATCH v4 05/21] dt-bindings: pinctrl: Add starfive,jhb100-sys0h-pinctrl Changhuang Liang
2026-08-05 21:30   ` Rob Herring
2026-08-06  6:27     ` Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 06/21] pinctrl: starfive: Add StarFive JHB100 sys0h controller driver Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 07/21] dt-bindings: pinctrl: Add starfive,jhb100-sys1-pinctrl Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 08/21] pinctrl: starfive: Add StarFive JHB100 sys1 controller driver Changhuang Liang
2026-08-01  7:26 ` [PATCH v4 09/21] dt-bindings: pinctrl: Add starfive,jhb100-sys2-pinctrl Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 10/21] pinctrl: starfive: Add StarFive JHB100 sys2 controller driver Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 11/21] dt-bindings: pinctrl: Add starfive,jhb100-per0-pinctrl Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 12/21] pinctrl: starfive: Add StarFive JHB100 per0 controller driver Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 13/21] dt-bindings: pinctrl: Add starfive,jhb100-per1-pinctrl Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 14/21] pinctrl: starfive: Add StarFive JHB100 per1 controller driver Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 15/21] dt-bindings: pinctrl: Add starfive,jhb100-per2-pinctrl Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 16/21] pinctrl: starfive: Add StarFive JHB100 per2 controller driver Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 17/21] dt-bindings: pinctrl: Add starfive,jhb100-per2pok-pinctrl Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 18/21] pinctrl: starfive: Add StarFive JHB100 per2pok controller driver Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 19/21] dt-bindings: pinctrl: Add starfive,jhb100-per3-pinctrl Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 20/21] pinctrl: starfive: Add StarFive JHB100 per3 controller driver Changhuang Liang
2026-08-01  7:27 ` [PATCH v4 21/21] riscv: dts: starfive: jhb100: Add pinctrl nodes Changhuang Liang

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