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pinctrl: Add Xilinx ZynqMP pinctrl driver support

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Adding pinctrl driver for Xilinx ZynqMP platform.
This driver queries pin information from firmware and registers
pin control accordingly.

Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1619080202-31924-4-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Sai Krishna Potthuri
2021-04-22 14:00:02 +05:30
committed by Linus Walleij
parent fa989ae7c7
commit 8b242ca700
3 changed files with 921 additions and 0 deletions
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14
drivers/pinctrl/Kconfig
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@@ -323,6 +323,20 @@ config PINCTRL_ZYNQ
help
This selects the pinctrl driver for Xilinx Zynq.
config PINCTRL_ZYNQMP
tristate "Pinctrl driver for Xilinx ZynqMP"
depends on ZYNQMP_FIRMWARE
select PINMUX
select GENERIC_PINCONF
default ZYNQMP_FIRMWARE
help
This selects the pinctrl driver for Xilinx ZynqMP platform.
This driver will query the pin information from the firmware
and allow configuring the pins.
Configuration can include the mux function to select on those
pin(s)/group(s), and various pin configuration parameters
such as pull-up, slew rate, etc.
config PINCTRL_INGENIC
bool "Pinctrl driver for the Ingenic JZ47xx SoCs"
default MACH_INGENIC

1
drivers/pinctrl/Makefile
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@@ -40,6 +40,7 @@ obj-$(CONFIG_PINCTRL_TB10X) += pinctrl-tb10x.o
obj-$(CONFIG_PINCTRL_ST) += pinctrl-st.o
obj-$(CONFIG_PINCTRL_STMFX) += pinctrl-stmfx.o
obj-$(CONFIG_PINCTRL_ZYNQ) += pinctrl-zynq.o
obj-$(CONFIG_PINCTRL_ZYNQMP) += pinctrl-zynqmp.o
obj-$(CONFIG_PINCTRL_INGENIC) += pinctrl-ingenic.o
obj-$(CONFIG_PINCTRL_RK805) += pinctrl-rk805.o
obj-$(CONFIG_PINCTRL_OCELOT) += pinctrl-ocelot.o

906
drivers/pinctrl/pinctrl-zynqmp.c Normal file
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