From: Nicola Di Lieto <nicola.dilieto@xxxxxxxxx> Add bindings for the pwm-gpio driver. Signed-off-by: Nicola Di Lieto <nicola.dilieto@xxxxxxxxx> Co-developed-by: Stefan Wahren <wahrenst@xxxxxxx> Signed-off-by: Stefan Wahren <wahrenst@xxxxxxx> --- .../devicetree/bindings/pwm/pwm-gpio.yaml | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-gpio.yaml diff --git a/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml b/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml new file mode 100644 index 000000000000..4932484563f9 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic software PWM for modulating GPIOs + +maintainers: + - Stefan Wahren <wahrenst@xxxxxxx> + +properties: + "#pwm-cells": + description: | + It should be 3. See pwm.yaml in this directory for a + description of the cells format. + const: 3 + + compatible: + const: pwm-gpio + + gpios: + description: + GPIO to be modulated + maxItems: 1 + +required: + - "#pwm-cells" + - compatible + - gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + pwm0 { + #pwm-cells = <3>; + compatible = "pwm-gpio"; + gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; + }; -- 2.34.1
