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zynqmp: gpio: Add support for zynqmp gpio modepin driver

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ZynqMP modepin driver has capability to get/set/check status of modepin
gpios. These modepins are accessed using xilinx firmware. In modepin
register, [3:0] bits set direction, [7:4] bits read IO, [11:8] bits
set/clear IO.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/2d802d98fd56d95d764532a33e844d935e0cebb3.1635505900.git.michal.simek@xilinx.com
This commit is contained in:
T Karthik Reddy
2021-10-29 13:11:43 +02:00
committed by Michal Simek
parent ade37460a9
commit 3b441cf4e4
5 changed files with 165 additions and 0 deletions
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arch/arm/Kconfig
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@@ -1214,6 +1214,7 @@ config ARCH_ZYNQMP
imply FAT_WRITE
imply MP
imply DM_USB_GADGET
imply ZYNQMP_GPIO_MODEPIN if DM_GPIO && USB
config ARCH_TEGRA
bool "NVIDIA Tegra"