summaryrefslogtreecommitdiffstats
path: root/kernel/Documentation/devicetree/bindings/pwm/imx-pwm.txt
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/pwm/imx-pwm.txt')
-rw-r--r--kernel/Documentation/devicetree/bindings/pwm/imx-pwm.txt27
1 files changed, 27 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/kernel/Documentation/devicetree/bindings/pwm/imx-pwm.txt
new file mode 100644
index 000000000..e00c2e9f4
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/pwm/imx-pwm.txt
@@ -0,0 +1,27 @@
+Freescale i.MX PWM controller
+
+Required properties:
+- compatible : should be "fsl,<soc>-pwm" and one of the following
+ compatible strings:
+ - "fsl,imx1-pwm" for PWM compatible with the one integrated on i.MX1
+ - "fsl,imx27-pwm" for PWM compatible with the one integrated on i.MX27
+- reg: physical base address and length of the controller's registers
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
+- clocks : Clock specifiers for both ipg and per clocks.
+- clock-names : Clock names should include both "ipg" and "per"
+See the clock consumer binding,
+ Documentation/devicetree/bindings/clock/clock-bindings.txt
+- interrupts: The interrupt for the pwm controller
+
+Example:
+
+pwm1: pwm@53fb4000 {
+ #pwm-cells = <2>;
+ compatible = "fsl,imx53-pwm", "fsl,imx27-pwm";
+ reg = <0x53fb4000 0x4000>;
+ clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>,
+ <&clks IMX5_CLK_PWM1_HF_GATE>;
+ clock-names = "ipg", "per";
+ interrupts = <61>;
+};