The RZ/V2M PWC is a multi-function device, and its software support relies on "syscon" and "simple-mfd". Add the dt-bindings for the top level device tree node. Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx> --- .../bindings/mfd/renesas,rzv2m-pwc.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml diff --git a/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml b/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml new file mode 100644 index 000000000000..a7e180bfbd83 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/renesas,rzv2m-pwc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/V2M External Power Sequence Controller (PWC) + +description: |+ + The PWC IP found in the RZ/V2M family of chips comes with the below + capabilities + - external power supply on/off sequence generation + - on/off signal generation for the LPDDR4 core power supply (LPVDD) + - key input signals processing + - general-purpose output pins + +maintainers: + - Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx> + +properties: + compatible: + items: + - enum: + - renesas,r9a09g011-pwc # RZ/V2M + - renesas,r9a09g055-pwc # RZ/V2MA + - const: renesas,rzv2m-pwc + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + gpio: + type: object + $ref: /schemas/gpio/renesas,rzv2m-pwc-gpio.yaml# + description: General-Purpose Output pins controller. + + poweroff: + type: object + $ref: /schemas/power/reset/renesas,rzv2m-pwc-poweroff.yaml# + description: Power OFF controller. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pwc: pwc@a3700000 { + compatible = "renesas,r9a09g011-pwc", "renesas,rzv2m-pwc", "syscon", + "simple-mfd"; + reg = <0xa3700000 0x800>; + + gpio { + compatible = "renesas,r9a09g011-pwc-gpio", + "renesas,rzv2m-pwc-gpio"; + regmap = <&pwc>; + offset = <0x80>; + gpio-controller; + #gpio-cells = <2>; + }; + + poweroff { + compatible = "renesas,r9a09g011-pwc-poweroff", + "renesas,rzv2m-pwc-poweroff"; + regmap = <&pwc>; + }; + }; -- 2.34.1
