| Message ID | 20240529-buzzer_support-v1-1-fd3eb0a24442@cherry.de (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add Mule PWM-over-I2C support | expand |
On Wed, May 29, 2024 at 12:10:30PM +0200, Farouk Bouabid wrote: > Mule is a device that controls a PWM output signal based on I2C commands. > > Signed-off-by: Farouk Bouabid <farouk.bouabid@cherry.de> > --- > .../devicetree/bindings/pwm/tsd,pwm-mule.yaml | 46 ++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml > new file mode 100644 > index 000000000000..71a940a2a644 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml > @@ -0,0 +1,46 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pwm/tsd,pwm-mule.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Mule PWM-over-I2C controller > + > +description: | This | is not needed. > + A device that outputs a PWM signal based on I2C commands. > + > +maintainers: > + - Farouk Bouabid <farouk.bouabid@cherry.de> > + - Quentin Schulz <quentin.schulz@cherry.de> > + > +allOf: > + - $ref: pwm.yaml# > + > +properties: > + compatible: > + const: tsd,pwm-mule > + > + reg: > + maxItems: 1 > + > + "#pwm-cells": > + const: 2 No clocks or supplies? I tried to google for some documentation for this device, but only found archives of this mail thread.. Thanks, Conor. > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + pwm@18 { > + compatible = "tsd,pwm-mule"; > + reg = <0x18>; > + #pwm-cells = <2>; > + }; > + }; > > -- > 2.34.1 >
Hi Conor, On 29.05.24 22:29, Conor Dooley wrote: > On Wed, May 29, 2024 at 12:10:30PM +0200, Farouk Bouabid wrote: ... >> + A device that outputs a PWM signal based on I2C commands. >> + >> +maintainers: >> + - Farouk Bouabid <farouk.bouabid@cherry.de> >> + - Quentin Schulz <quentin.schulz@cherry.de> >> + >> +allOf: >> + - $ref: pwm.yaml# >> + >> +properties: >> + compatible: >> + const: tsd,pwm-mule >> + >> + reg: >> + maxItems: 1 >> + >> + "#pwm-cells": >> + const: 2 > No clocks or supplies? > I tried to google for some documentation for this device, but only found > archives of this mail thread.. You can't find documentation for this device because we don't sell it standalone. It is part of our boards. This device handles its clock internally. So there is no need for clock. As for the power-supply, it is so far always enabled but I will add a property. Cheers, Farouk
diff --git a/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml new file mode 100644 index 000000000000..71a940a2a644 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/tsd,pwm-mule.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mule PWM-over-I2C controller + +description: | + A device that outputs a PWM signal based on I2C commands. + +maintainers: + - Farouk Bouabid <farouk.bouabid@cherry.de> + - Quentin Schulz <quentin.schulz@cherry.de> + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + const: tsd,pwm-mule + + reg: + maxItems: 1 + + "#pwm-cells": + const: 2 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pwm@18 { + compatible = "tsd,pwm-mule"; + reg = <0x18>; + #pwm-cells = <2>; + }; + };
Mule is a device that controls a PWM output signal based on I2C commands. Signed-off-by: Farouk Bouabid <farouk.bouabid@cherry.de> --- .../devicetree/bindings/pwm/tsd,pwm-mule.yaml | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+)