First of all, I've based this on the patches sent by Jonas Gorski back in 2016: https://www.spinics.net/lists/linux-gpio/msg15983.html http://patchwork.ozlabs.org/project/linux-gpio/patch/1471604025-21575-2-git-send-email-jonas.gor...@gmail.com/
I've tried to address all coments from Linus Walleij, but I know that this may still need some other modifications This patchset adds appropriate binding documentation and drivers for pin controller cores found in the BCM63XX MIPS SoCs currently supported. While the GPIO part is always the same, the pinmux part varies quite a lot between different SoCs. Sometimes they have defined groups which can be muxed into different functions, sometimes each function has a different group. Sometimes you can mux individual pins. Often it is a combination of single pins and groups. Some core versions require the GPIO direction to be set according to the function, most do not. Sometimes the mux register(s) contain bits for unrelated other functions. v2: introduce changes suggested by Linus Walleij and remove interrupts - In order to use GPIO_REGMAP, the need to get gpio_chip from gpio_regmap and use it for pinctrl_add_gpio_range() and gpio_chip.direction_input() and gpio_chip.direction_output(). Álvaro Fernández Rojas (12): Documentation: add BCM6328 pincontroller binding documentation pinctrl: add a pincontrol driver for BCM6328 Documentation: add BCM6358 pincontroller binding documentation pinctrl: add a pincontrol driver for BCM6358 Documentation: add BCM6362 pincontroller binding documentation pinctrl: add a pincontrol driver for BCM6362 Documentation: add BCM6368 pincontroller binding documentation pinctrl: add a pincontrol driver for BCM6368 Documentation: add BCM63268 pincontroller binding documentation pinctrl: add a pincontrol driver for BCM63268 Documentation: add BCM6318 pincontroller binding documentation pinctrl: add a pincontrol driver for BCM6318 .../pinctrl/brcm,bcm6318-pinctrl.yaml | 161 ++++ .../pinctrl/brcm,bcm63268-pinctrl.yaml | 182 +++++ .../pinctrl/brcm,bcm6328-pinctrl.yaml | 145 ++++ .../pinctrl/brcm,bcm6358-pinctrl.yaml | 111 +++ .../pinctrl/brcm,bcm6362-pinctrl.yaml | 224 ++++++ .../pinctrl/brcm,bcm6368-pinctrl.yaml | 235 ++++++ drivers/pinctrl/bcm/Kconfig | 68 ++ drivers/pinctrl/bcm/Makefile | 6 + drivers/pinctrl/bcm/pinctrl-bcm6318.c | 574 ++++++++++++++ drivers/pinctrl/bcm/pinctrl-bcm63268.c | 726 ++++++++++++++++++ drivers/pinctrl/bcm/pinctrl-bcm6328.c | 481 ++++++++++++ drivers/pinctrl/bcm/pinctrl-bcm6358.c | 429 +++++++++++ drivers/pinctrl/bcm/pinctrl-bcm6362.c | 699 +++++++++++++++++ drivers/pinctrl/bcm/pinctrl-bcm6368.c | 587 ++++++++++++++ 14 files changed, 4628 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm63268-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6362-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.yaml create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6318.c create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm63268.c create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6328.c create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6358.c create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6362.c create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm6368.c -- 2.20.1
