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authorPaul Cercueil <paul@crapouillou.net>2018-01-06 19:58:42 +0300
committerThierry Reding <thierry.reding@gmail.com>2018-03-28 01:23:56 +0300
commitcc20173304e4f54c0ccabe0c0636b05c2410a4be (patch)
tree872d93477edf49f64dcec680f05207ec95ba07ff /Documentation/devicetree/bindings/pwm
parent174dcc8eaec5fd53f9d6f3aa3068e8415a9c0d35 (diff)
downloadlinux-cc20173304e4f54c0ccabe0c0636b05c2410a4be.tar.xz
pwm: jz4740: Add support for devicetree
Add support for probing the pwm-jz4740 directly from devicetree. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
-rw-r--r--Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt25
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt b/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt
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index 000000000000..7d9d3f90641b
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+++ b/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt
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+Ingenic JZ47xx PWM Controller
+=============================
+
+Required properties:
+- compatible: One of:
+ * "ingenic,jz4740-pwm"
+ * "ingenic,jz4770-pwm"
+ * "ingenic,jz4780-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.
+- clock-names : Should be "ext".
+
+
+Example:
+
+ pwm: pwm@10002000 {
+ compatible = "ingenic,jz4740-pwm";
+ reg = <0x10002000 0x1000>;
+
+ #pwm-cells = <3>;
+
+ clocks = <&ext>;
+ clock-names = "ext";
+ };