diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/imx-pwm.txt | 17 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pwm/mxs-pwm.txt | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 2 |
3 files changed, 19 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt new file mode 100644 index 000000000000..8522bfbccfd7 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/imx-pwm.txt | |||
@@ -0,0 +1,17 @@ | |||
1 | Freescale i.MX PWM controller | ||
2 | |||
3 | Required properties: | ||
4 | - compatible: should be "fsl,<soc>-pwm" | ||
5 | - reg: physical base address and length of the controller's registers | ||
6 | - #pwm-cells: should be 2. The first cell specifies the per-chip index | ||
7 | of the PWM to use and the second cell is the period in nanoseconds. | ||
8 | - interrupts: The interrupt for the pwm controller | ||
9 | |||
10 | Example: | ||
11 | |||
12 | pwm1: pwm@53fb4000 { | ||
13 | #pwm-cells = <2>; | ||
14 | compatible = "fsl,imx53-pwm", "fsl,imx27-pwm"; | ||
15 | reg = <0x53fb4000 0x4000>; | ||
16 | interrupts = <61>; | ||
17 | }; | ||
diff --git a/Documentation/devicetree/bindings/pwm/mxs-pwm.txt b/Documentation/devicetree/bindings/pwm/mxs-pwm.txt index 11963e4d6bc4..9e3f8f1d46a2 100644 --- a/Documentation/devicetree/bindings/pwm/mxs-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/mxs-pwm.txt | |||
@@ -4,7 +4,7 @@ Required properties: | |||
4 | - compatible: should be "fsl,imx23-pwm" | 4 | - compatible: should be "fsl,imx23-pwm" |
5 | - reg: physical base address and length of the controller's registers | 5 | - reg: physical base address and length of the controller's registers |
6 | - #pwm-cells: should be 2. The first cell specifies the per-chip index | 6 | - #pwm-cells: should be 2. The first cell specifies the per-chip index |
7 | of the PWM to use and the second cell is the duty cycle in nanoseconds. | 7 | of the PWM to use and the second cell is the period in nanoseconds. |
8 | - fsl,pwm-number: the number of PWM devices | 8 | - fsl,pwm-number: the number of PWM devices |
9 | 9 | ||
10 | Example: | 10 | Example: |
diff --git a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt index bbbeedb4ec05..01438ecd6628 100644 --- a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | |||
@@ -7,7 +7,7 @@ Required properties: | |||
7 | - reg: physical base address and length of the controller's registers | 7 | - reg: physical base address and length of the controller's registers |
8 | - #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The | 8 | - #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The |
9 | first cell specifies the per-chip index of the PWM to use and the second | 9 | first cell specifies the per-chip index of the PWM to use and the second |
10 | cell is the duty cycle in nanoseconds. | 10 | cell is the period in nanoseconds. |
11 | 11 | ||
12 | Example: | 12 | Example: |
13 | 13 | ||