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authorKrzysztof Kozlowski <krzk@kernel.org>2020-07-02 17:51:42 +0200
committerRob Herring <robh@kernel.org>2020-07-13 20:46:47 -0600
commitc46ed28dbe95844c1d15addd26ff05499057c4d5 (patch)
treefa295611966b765c8b1db9e50caf19db9f93d546 /Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
parent44e1655a444fe7a1bd81994d34c6bbb5245b9e60 (diff)
dt-bindings: pwm: samsung: Do not require interrupts on Exynos SoCs
The bindings required interrupts for all SoCs but actually only the PWM timer clocksource (for S3C/S5P SoCs) was using them. This PWM timer clocksource driver is not used on Exynos SoCs thus the interrupts can be marked as optional. Reported-by: Alim Akhtar <alim.akhtar@samsung.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200702155149.12854-1-krzk@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/pwm-samsung.yaml')
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-samsung.yaml23
1 files changed, 18 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
index fc799b0577d4..188679cb8b8c 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
@@ -18,9 +18,6 @@ description: |+
Be aware that the clocksource driver supports only uniprocessor systems.
-allOf:
- - $ref: pwm.yaml#
-
properties:
compatible:
enum:
@@ -63,7 +60,8 @@ properties:
interrupts:
description:
- One interrupt per timer, starting at timer 0.
+ One interrupt per timer, starting at timer 0. Necessary only for SoCs which
+ use PWM clocksource.
minItems: 1
maxItems: 5
@@ -88,12 +86,27 @@ required:
- clocks
- clock-names
- compatible
- - interrupts
- "#pwm-cells"
- reg
additionalProperties: false
+allOf:
+ - $ref: pwm.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - samsung,s3c2410-pwm
+ - samsung,s3c6400-pwm
+ - samsung,s5p6440-pwm
+ - samsung,s5pc100-pwm
+ then:
+ required:
+ - interrupts
+
examples:
- |
pwm@7f006000 {