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stm32: ospi: make all clk, dqs, ncs pins configurable

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The clk, dqs and ncs pins can be remapped between OSPI instances, but the
driver doesn't support it, yet. Therefore replace hard coded numbers to
device tree optional properties.

Signed-off-by: Samuel Kleiser <s.kleiser@vega.com>
This commit is contained in:
Samuel Kleiser 2024-05-08 17:04:11 +02:00 • committed by Henrik Brix Andersen
commit d796c117ce
2 changed files with 54 additions and 6 deletions
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45
dts/bindings/ospi/st,stm32-ospi.yaml
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@ -119,3 +119,48 @@ properties:
Note: You might need to enable the OCTOSPI I/O manager clock to use the
property. Please refer to Reference Manual.
The clock can be enabled in the devicetree.
clk-port:
type: int
enum:
- 1
- 2
description: |
Specifies which port of the OCTOSPI IO Manager is used for the clk pin.
If absent, then n is used where `n` is the OSPI
instance number.
Note: You might need to enable the OCTOSPI I/O manager clock to use the
property. Please refer to Reference Manual.
The clock can be enabled in the devicetree.
dqs-port:
type: int
enum:
- 1
- 2
description: |
Specifies which port of the OCTOSPI IO Manager is used for the dqs pin.
If absent, then n is used where `n` is the OSPI
instance number.
Note: You might need to enable the OCTOSPI I/O manager clock to use the
property. Please refer to Reference Manual.
The clock can be enabled in the devicetree.
ncs-port:
type: int
enum:
- 1
- 2
description: |
Specifies which port of the OCTOSPI IO Manager is used for the ncs pin.
If absent, then n is used where `n` is the OSPI
instance number.
Note: You might need to enable the OCTOSPI I/O manager clock to use the
property. Please refer to Reference Manual.
The clock can be enabled in the devicetree.