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dt-bindings: pwm: jz47xx: Remove unused compatible strings 

Right now none of the Ingenic-based boards probe this driver from
devicetree. This driver defined three compatible strings for the exact
same behaviour. Before these strings are used, we can remove two of
them.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Paul Cercueil 2019-06-07 17:44:05 +02:00 committed by Thierry Reding
parent 9bce02ef0d
commit 925488e8df
1 changed files with 1 additions and 4 deletions
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Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt
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@ -2,10 +2,7 @@ Ingenic JZ47xx PWM Controller
=============================
Required properties:
- compatible: One of:
* "ingenic,jz4740-pwm"
* "ingenic,jz4770-pwm"
* "ingenic,jz4780-pwm"
- compatible: Should be "ingenic,jz4740-pwm"
- #pwm-cells: Should be 3. See pwm.txt in this directory for a description
of the cells format.
- clocks : phandle to the external clock.