[v3,0/7] riscv: sophgo: Add pinctrl support for CV1800 series SoC

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Series	riscv: sophgo: Add pinctrl support for CV1800 series SoC \| expand [v3,0/7] riscv: sophgo: Add pinctrl support for CV1800 series SoC [v3,1/7] dt-bindings: pinctrl: Add pinctrl for Sophgo CV1800 series SoC. [v3,2/7] pinctrl: sophgo: add support for CV1800B SoC [v3,3/7] pinctrl: sophgo: add support for CV1812H SoC [v3,4/7] pinctrl: sophgo: add support for SG2000 SoC [v3,5/7] pinctrl: sophgo: add support for SG2002 SoC [v3,6/7] riscv: dts: sophgo: cv1800b: add pinctrl support [v3,7/7] riscv: dts: sophgo: cv1812h: add pinctrl support

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From: Inochi Amaoto <inochiama@outlook.com>
To: Linus Walleij <linus.walleij@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chen Wang <unicorn_wang@outlook.com>,
	Inochi Amaoto <inochiama@outlook.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Jisheng Zhang <jszhang@kernel.org>,
	Guo Ren <guoren@kernel.org>,
	Drew Fustini <dfustini@baylibre.com>,
	Haylen Chu <heylenay@outlook.com>
Cc: Yixun Lan <dlan@gentoo.org>,
	linux-gpio@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: [PATCH v3 0/7] riscv: sophgo: Add pinctrl support for CV1800 series
 SoC
Date: Mon, 29 Jul 2024 09:01:38 +0800
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Series

riscv: sophgo: Add pinctrl support for CV1800 series SoC | expand

Message

Inochi Amaoto July 29, 2024, 1:01 a.m. UTC

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 v2:
1. remove unused export function.
2. drop "drive-strength" and only use "drive-strength-microamp" in
the binding.
3. drop unnecessary ref in the binding.
4. drop unnecessary entry for binding example.

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        | 120 +++
 .../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       | 765 +++++++++++++++++
 drivers/pinctrl/sophgo/pinctrl-cv18xx.h       | 155 ++++
 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, 4133 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: 0066cdb6d7427d785e1a878070c4990384b93508
prerequisite-patch-id: 11fce0bb5b2e9784ec7d6086d5d5e9979360384f
prerequisite-patch-id: 3d5f38fdb9d8250dd9872ab72ab7a438281b4a03
--
2.45.2