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Diffstat (limited to 'Documentation/devicetree/bindings/pwm/imx-pwm.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/imx-pwm.yaml | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.yaml b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml new file mode 100644 index 000000000..379d69388 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/imx-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX PWM controller + +maintainers: + - Philipp Zabel <p.zabel@pengutronix.de> + +properties: + "#pwm-cells": + description: | + Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml + in this directory for a description of the cells format. + enum: + - 2 + - 3 + + compatible: + oneOf: + - enum: + - fsl,imx1-pwm + - fsl,imx27-pwm + - items: + - enum: + - fsl,imx25-pwm + - fsl,imx31-pwm + - fsl,imx50-pwm + - fsl,imx51-pwm + - fsl,imx53-pwm + - fsl,imx6q-pwm + - fsl,imx6sl-pwm + - fsl,imx6sll-pwm + - fsl,imx6sx-pwm + - fsl,imx6ul-pwm + - fsl,imx7d-pwm + - fsl,imx8mm-pwm + - fsl,imx8mn-pwm + - fsl,imx8mp-pwm + - fsl,imx8mq-pwm + - const: fsl,imx27-pwm + + reg: + maxItems: 1 + + clocks: + items: + - description: SoC PWM ipg clock + - description: SoC PWM per clock + + clock-names: + items: + - const: ipg + - const: per + + interrupts: + maxItems: 1 + +required: + - "#pwm-cells" + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx5-clock.h> + + pwm@53fb4000 { + #pwm-cells = <3>; + compatible = "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>; + }; |