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Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/imx-pwm.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt new file mode 100644 index 000000000..c61bdf8cd --- /dev/null +++ b/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: 2 for i.MX1 and 3 for i.MX27 and newer SoCs. 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 = <3>; + 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>; +}; |