linux-kernel - [PATCH v2 0/7] riscv: sophgo: Add pinctrl support for CV1800 series SoC

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Message-ID:
 <IA1PR20MB49535F9918829FA524BDB02ABBA82@IA1PR20MB4953.namprd20.prod.outlook.com>
Date: Mon, 22 Jul 2024 09:38:33 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...look.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Jisheng Zhang <jszhang@...nel.org>,
	Guo Ren <guoren@...nel.org>,
	Haylen Chu <heylenay@...look.com>,
	Drew Fustini <dfustini@...libre.com>
Cc: Yixun Lan <dlan@...too.org>,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH v2 0/7] riscv: sophgo: Add pinctrl support for CV1800 series SoC

Add basic pinctrl driver for Sophgo CV1800 series SoCs.
This patch series aims to replace the previous patch from Jisheng [1].
Since the pinctrl of cv1800 has nested mux and its pin definination
is discrete, it is not suitable to use "pinctrl-single" to cover the
pinctrl device.

This patch require another patch [2] that provides standard attribute
"input-schmitt-microvolt"

Note: As current documentation is not enough to guess the pin
configuration of Huashan Pi, only the pinctrl node is added.

[1] https://lore.kernel.org/linux-riscv/20231113005702.2467-1-jszhang@kernel.org/
[2] https://lore.kernel.org/all/IA1PR20MB495346246245074234D337A6BBAC2@IA1PR20MB4953.namprd20.prod.outlook.com/

Changed from v1:
1. replace attribute "sophgo,bus-holder" with standard "bias-bus-hold".
2. replace attribute "input-schmitt" with "input-schmitt-microvolt".
3. add vddio operations support to report pin state.

Inochi Amaoto (7):
  dt-bindings: pinctrl: Add pinctrl for Sophgo CV1800 series SoC.
  pinctrl: sophgo: add support for CV1800B SoC
  pinctrl: sophgo: add support for CV1812H SoC
  pinctrl: sophgo: add support for SG2000 SoC
  pinctrl: sophgo: add support for SG2002 SoC
  riscv: dts: sophgo: cv1800b: add pinctrl support
  riscv: dts: sophgo: cv1812h: add pinctrl support

 .../pinctrl/sophgo,cv1800-pinctrl.yaml        | 129 +++
 .../boot/dts/sophgo/cv1800b-milkv-duo.dts     |  49 ++
 arch/riscv/boot/dts/sophgo/cv1800b.dtsi       |  10 +
 arch/riscv/boot/dts/sophgo/cv1812h.dtsi       |  10 +
 drivers/pinctrl/Kconfig                       |   1 +
 drivers/pinctrl/Makefile                      |   1 +
 drivers/pinctrl/sophgo/Kconfig                |  54 ++
 drivers/pinctrl/sophgo/Makefile               |   7 +
 drivers/pinctrl/sophgo/pinctrl-cv1800b.c      | 462 +++++++++++
 drivers/pinctrl/sophgo/pinctrl-cv1812h.c      | 771 +++++++++++++++++
 drivers/pinctrl/sophgo/pinctrl-cv18xx.c       | 781 ++++++++++++++++++
 drivers/pinctrl/sophgo/pinctrl-cv18xx.h       | 156 ++++
 drivers/pinctrl/sophgo/pinctrl-sg2000.c       | 771 +++++++++++++++++
 drivers/pinctrl/sophgo/pinctrl-sg2002.c       | 542 ++++++++++++
 include/dt-bindings/pinctrl/pinctrl-cv1800b.h |  63 ++
 include/dt-bindings/pinctrl/pinctrl-cv1812h.h | 127 +++
 include/dt-bindings/pinctrl/pinctrl-cv18xx.h  |  19 +
 include/dt-bindings/pinctrl/pinctrl-sg2000.h  | 127 +++
 include/dt-bindings/pinctrl/pinctrl-sg2002.h  |  79 ++
 19 files changed, 4159 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/sophgo,cv1800-pinctrl.yaml
 create mode 100644 drivers/pinctrl/sophgo/Kconfig
 create mode 100644 drivers/pinctrl/sophgo/Makefile
 create mode 100644 drivers/pinctrl/sophgo/pinctrl-cv1800b.c
 create mode 100644 drivers/pinctrl/sophgo/pinctrl-cv1812h.c
 create mode 100644 drivers/pinctrl/sophgo/pinctrl-cv18xx.c
 create mode 100644 drivers/pinctrl/sophgo/pinctrl-cv18xx.h
 create mode 100644 drivers/pinctrl/sophgo/pinctrl-sg2000.c
 create mode 100644 drivers/pinctrl/sophgo/pinctrl-sg2002.c
 create mode 100644 include/dt-bindings/pinctrl/pinctrl-cv1800b.h
 create mode 100644 include/dt-bindings/pinctrl/pinctrl-cv1812h.h
 create mode 100644 include/dt-bindings/pinctrl/pinctrl-cv18xx.h
 create mode 100644 include/dt-bindings/pinctrl/pinctrl-sg2000.h
 create mode 100644 include/dt-bindings/pinctrl/pinctrl-sg2002.h


base-commit: d7e78951a8b8b53e4d52c689d927a6887e6cfadf
prerequisite-patch-id: 11fce0bb5b2e9784ec7d6086d5d5e9979360384f
prerequisite-patch-id: 3d5f38fdb9d8250dd9872ab72ab7a438281b4a03
--
2.45.2