Re: [PATCH v4 2/3] dt-bindings: mfd: add LP87524-Q1

From: Rob Herring
Date: Tue Aug 25 2020 - 15:15:21 EST


On Mon, Aug 17, 2020 at 04:50:17PM +0200, Luca Ceresoli wrote:
> Add the LP87524-Q1 to the bindings along with an example. This is a variant
> of the LP87565-Q1 and LP87561-Q1 chips which already have bindings.
>
> Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
>
> ---
>
> Changes in v4:
> - reformat as a standalone file
>
> Changes in v3:
> - fix yaml errors
>
> Changes in v2:
> - RFC,v1 was based on the txt file, rewrite for yaml
> - use uppercase consistently in model names (Lee Jones)
> - replace "regulator" -> "mfd" in subject line (Lee Jones)
> - replace "dt:" suffix with "dt-bindings:" prefix in subject line
> ---
> .../bindings/mfd/ti,lp87524-q1.yaml | 105 ++++++++++++++++++
> 1 file changed, 105 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/ti,lp87524-q1.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/ti,lp87524-q1.yaml b/Documentation/devicetree/bindings/mfd/ti,lp87524-q1.yaml
> new file mode 100644
> index 000000000000..1193fcb19739
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ti,lp87524-q1.yaml
> @@ -0,0 +1,105 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ti,lp87524-q1.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI LP87524-Q1 four 1-phase output buck converter
> +
> +maintainers:
> + - Keerthy <j-keerthy@xxxxxx>
> +
> +properties:
> + compatible:
> + const: ti,lp87524-q1
> +
> + reg:
> + description: I2C slave address
> + const: 0x60
> +
> + gpio-controller: true
> +
> + '#gpio-cells':
> + description:
> + The first cell is the pin number.
> + The second cell is is used to specify flags.
> + See ../gpio/gpio.txt for more information.
> + const: 2
> +
> + buck0-in-supply:
> + description:
> + Phandle to parent supply node for the BUCK0 converter.
> +
> + buck1-in-supply:
> + description:
> + Phandle to parent supply node for the BUCK1 converter.
> +
> + buck2-in-supply:
> + description:
> + Phandle to parent supply node for the BUCK2 converter.
> +
> + buck3-in-supply:
> + description:
> + Phandle to parent supply node for the BUCK3 converter.
> +
> +required:
> + - compatible
> + - reg
> + - gpio-controller
> + - '#gpio-cells'
> + - buck0-in-supply
> + - buck1-in-supply
> + - buck2-in-supply
> + - buck3-in-supply
> +
> +examples:
> + - |
> + i2c@0 {
> + reg = <0x0 0x100>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pmic@60 {
> + compatible = "ti,lp87524-q1";
> + reg = <0x60>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + buck0-in-supply = <&vdd_5v0>;
> + buck1-in-supply = <&vdd_5v0>;
> + buck2-in-supply = <&vdd_5v0>;
> + buck3-in-supply = <&vdd_5v0>;
> +
> + regulators {
> + buck0_reg: buck0 {

Here too, you need to describe all this.

> + regulator-name = "buck0";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + buck1_reg: buck1 {
> + regulator-name = "buck1";
> + regulator-min-microvolt = <1350000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + };
> +
> + buck2_reg: buck2 {
> + regulator-name = "buck2";
> + regulator-min-microvolt = <950000>;
> + regulator-max-microvolt = <950000>;
> + regulator-always-on;
> + };
> +
> + buck3_reg: buck3 {
> + regulator-name = "buck3";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> + };
> + };
> + };
> +
> +...
> --
> 2.28.0
>