Thread (10 messages) 10 messages, 2 authors, 2020-06-24

Re: [PATCH V4 3/7] devicetree-binding: Add pmc gpio node

From: Bartosz Golaszewski <hidden>
Date: 2020-06-24 10:19:02
Also in: linux-gpio, lkml

śr., 17 cze 2020 o 13:37 Srinivas Neeli [off-list ref] napisał(a):
From: Shubhrajyoti Datta <redacted>

Add the pmc gpio node to the device tree.

Versal devices are the industry's first adaptive compute
acceleration platforms.
https://www.xilinx.com/support/documentation/data_sheets/ds950-versal-overview.pdf

On the Versal platform, we are using two customized GPIO controllers(IP)
which were used in Zynq/ZynqMp platform.
One of them present in the Platform Management Controller(PMC) block and
other in Processing System(PS) block.

In PMC_GPIO only Bank0,1,3 & 4 are enabled and in PS_GPIO only
Bank 0 & 3 are enabled.

You can find more details of GPIO IP in ZynqMP TRM General Purpose
I/O(Chapter-27).
https://www.xilinx.com/support/documentation/user_guides/ug1085-zynq-ultrascale-trm.pdf

Signed-off-by: Shubhrajyoti Datta <redacted>
Signed-off-by: Michal Simek <redacted>
I fixed up the subject - should have been "dt-bindings: gpio: ..."

Bartosz

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