| Message ID | 20230928170254.413-2-jszhang@kernel.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | pwm: add driver for T-THEAD TH1520 SoC | expand |
Hey, On Fri, Sep 29, 2023 at 01:02:53AM +0800, Jisheng Zhang wrote: > T-HEAD SoCs such as the TH1520 contain a PWM controller used > among other things to control the LCD backlight, fan and so on. "such as", are there others? > > Signed-off-by: Jisheng Zhang <jszhang@kernel.org> > --- > .../devicetree/bindings/pwm/pwm-thead.yaml | 44 +++++++++++++++++++ > 1 file changed, 44 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pwm/pwm-thead.yaml > > diff --git a/Documentation/devicetree/bindings/pwm/pwm-thead.yaml b/Documentation/devicetree/bindings/pwm/pwm-thead.yaml > new file mode 100644 > index 000000000000..8a7cf7129321 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/pwm-thead.yaml > @@ -0,0 +1,44 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pwm/pwm-thead.yaml# The filename etc should match the compatible, especially when afaict there's only one applicable SoC. Otherwise, this looks good to me. Thanks, Conor. > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: T-HEAD PWM > + > +maintainers: > + - Jisheng Zhang <jszhang@kernel.org> > + > +allOf: > + - $ref: pwm.yaml# > + > +properties: > + compatible: > + enum: > + - thead,th1520-pwm > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + "#pwm-cells": > + const: 2 > + > +required: > + - compatible > + - reg > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + > + pwm@ec01c000 { > + compatible = "thead,th1520-pwm"; > + reg = <0xec01c000 0x1000>; > + clocks = <&clk 1>; > + #pwm-cells = <2>; > + }; > -- > 2.40.1 >
diff --git a/Documentation/devicetree/bindings/pwm/pwm-thead.yaml b/Documentation/devicetree/bindings/pwm/pwm-thead.yaml new file mode 100644 index 000000000000..8a7cf7129321 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-thead.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm-thead.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD PWM + +maintainers: + - Jisheng Zhang <jszhang@kernel.org> + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + enum: + - thead,th1520-pwm + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + "#pwm-cells": + const: 2 + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + + pwm@ec01c000 { + compatible = "thead,th1520-pwm"; + reg = <0xec01c000 0x1000>; + clocks = <&clk 1>; + #pwm-cells = <2>; + };
T-HEAD SoCs such as the TH1520 contain a PWM controller used among other things to control the LCD backlight, fan and so on. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- .../devicetree/bindings/pwm/pwm-thead.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-thead.yaml