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authorJernej Skrabec <jernej.skrabec@siol.net>2019-11-19 18:53:12 +0100
committerMaxime Ripard <maxime@cerno.tech>2019-12-11 10:19:10 +0100
commit6a85afe4bc88fa9cbb0c1e76efd0d2588b2b572c (patch)
tree340cdb6c3648d3759d39486f233a997e38b6a306
parent0388a110747bec0c9d9de995842bb2a03a26aae1 (diff)
downloadtalos-op-linux-6a85afe4bc88fa9cbb0c1e76efd0d2588b2b572c.tar.gz
talos-op-linux-6a85afe4bc88fa9cbb0c1e76efd0d2588b2b572c.zip
dt-bindings: pwm: allwinner: Add H6 PWM description
H6 PWM block is basically the same as A20 PWM, except that it also has bus clock and reset line which needs to be handled accordingly. Expand Allwinner PWM binding with H6 PWM specifics. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
-rw-r--r--Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml51
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
index 0ac52f83a58c..fab89f052450 100644
--- a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
@@ -30,13 +30,51 @@ properties:
- items:
- const: allwinner,sun50i-h5-pwm
- const: allwinner,sun5i-a13-pwm
+ - const: allwinner,sun50i-h6-pwm
reg:
maxItems: 1
clocks:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: Module Clock
+ - description: Bus Clock
+
+ # Even though it only applies to subschemas under the conditionals,
+ # not listing them here will trigger a warning because of the
+ # additionalsProperties set to false.
+ clock-names: true
+
+ resets:
maxItems: 1
+if:
+ properties:
+ compatible:
+ contains:
+ const: allwinner,sun50i-h6-pwm
+
+then:
+ properties:
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: mod
+ - const: bus
+
+ required:
+ - clock-names
+ - resets
+
+else:
+ properties:
+ clocks:
+ maxItems: 1
+
required:
- "#pwm-cells"
- compatible
@@ -54,4 +92,17 @@ examples:
#pwm-cells = <3>;
};
+ - |
+ #include <dt-bindings/clock/sun50i-h6-ccu.h>
+ #include <dt-bindings/reset/sun50i-h6-ccu.h>
+
+ pwm@300a000 {
+ compatible = "allwinner,sun50i-h6-pwm";
+ reg = <0x0300a000 0x400>;
+ clocks = <&osc24M>, <&ccu CLK_BUS_PWM>;
+ clock-names = "mod", "bus";
+ resets = <&ccu RST_BUS_PWM>;
+ #pwm-cells = <3>;
+ };
+
...
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