[PATCH v5 1/4] dt-bindings: mfd: ti,tps6594: add TPS6594 PMIC support
Rob Herring
robh at kernel.org
Wed Nov 30 12:42:34 PST 2022
On Tue, Nov 22, 2022 at 09:35:09PM -0800, Matt Ranostay wrote:
> Add documentation for the TPS6594 PMIC including its RTC and GPIO
> functionalities.
>
> Signed-off-by: Matt Ranostay <mranostay at ti.com>
> ---
> .../devicetree/bindings/mfd/ti,tps6594.yaml | 69 +++++++++++++++++++
> 1 file changed, 69 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
> new file mode 100644
> index 000000000000..0de0db87dbf7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
> @@ -0,0 +1,69 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ti,tps6594.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TPS6594 Power Management Integrated Circuit (PMIC)
> +
> +description: |
> + TPS6594 Power Management Integrated Circuit (PMIC)
> + https://www.ti.com/lit/ds/symlink/tps6594-q1.pdf
Normally a PMIC has some regulators...
> +
> +maintainers:
> + - Keerthy <j-keerthy at ti.com>
> +
> +properties:
> + compatible:
> + enum:
> + - ti,tps6594
> +
> + reg:
> + const: 0x48
> +
> + ti,system-power-controller:
> + type: boolean
> + description: PMIC is controlling the system power.
> +
> + rtc:
> + type: object
> + $ref: /schemas/rtc/rtc.yaml#
> + unevaluatedProperties: false
> + properties:
> + compatible:
> + const: ti,tps6594-rtc
> +
> + gpio:
> + type: object
> + unevaluatedProperties: false
> + properties:
> + compatible:
> + const: ti,tps6594-gpio
GPIO, but not using the GPIO binding?
As Krzysztof pointed out, none of this needs child nodes. You have them
just for convenience of instantiating Linux drivers.
> +
> +additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> +
> +examples:
> + - |
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pmic: pmic at 48 {
> + compatible = "ti,tps6594";
> + reg = <0x48>;
> +
> + rtc {
> + compatible = "ti,tps6594-rtc";
> + };
> +
> + gpio {
> + compatible = "ti,tps6594-gpio";
> + };
> + };
> + };
> +
> +...
> --
> 2.38.GIT
>
>
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