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Support the BlueField-3 SoC pin controller driver for allowing a select number of GPIO pins to be manipulated from userspace or the kernel. The gpio-mlxbf3.c driver handles hardware registers and logic that are different from gpio-mlxbf.c and gpio-mlxbf2.c. For that reason, we have separate drivers for each generation. Changes from v5->v6: - fix some nits in gpio-mlxbf3 and pinctrl-mlxbf3 - add err.h and io.h header files Asmaa Mnebhi (2): gpio: mlxbf3: Add gpio driver support pinctrl: mlxbf: Add pinctrl driver support drivers/gpio/Kconfig | 13 ++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-mlxbf3.c | 248 ++++++++++++++++++++++++ drivers/pinctrl/Kconfig | 13 ++ drivers/pinctrl/Makefile | 1 + drivers/pinctrl/pinctrl-mlxbf3.c | 320 +++++++++++++++++++++++++++++++ 6 files changed, 596 insertions(+) create mode 100644 drivers/gpio/gpio-mlxbf3.c create mode 100644 drivers/pinctrl/pinctrl-mlxbf3.c