dt-bindings: pwm: pwm-tiecap: Convert to json schema

Convert the tiecap binding to DT schema format using json-schema.
Along with this conversion the following changes are included:
- 'clock' and 'clock-names' properties are marked required as
   driver fails to probe without these properties
- Dropped ti,am33xx-ecap as it is no longer applicable.
- 'power-domains' property is introduced and marked as optional.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Lokesh Vutla 2021-06-01 15:58:03 +05:30 • committed by Thierry Reding
commit b0b8d558ef
2 changed files with 63 additions and 51 deletions