Re: [PATCH 1/6] dt-bindings: mfd: add max77759 binding

Rob Herring
2025-02-24T15:37:18Z

On Mon, Feb 24, 2025 at 10:28:49AM +0000, André Draszik wrote:
> Add device tree binding for the Maxim MAX77759 companion PMIC for USB
> Type-C applications.
>
> The MAX77759 includes Battery Charger, Fuel Gauge, temperature sensors,
> USB Type-C Port Controller (TCPC), NVMEM, and a GPIO expander.
>
> This describes the core mfd device.
>
> Signed-off-by: André Draszik <andre.draszik@linaro.org>
> ---
> .../devicetree/bindings/mfd/maxim,max77759.yaml | 104 +++++++++++++++++++++
> MAINTAINERS | 6 ++
> 2 files changed, 110 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml
> new file mode 100644
> index 000000000000..1efb841289fb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max77759.yaml
> @@ -0,0 +1,104 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/maxim,max77759.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim Integrated MAX77759 PMIC for USB Type-C applications
> +
> +maintainers:
> + - André Draszik <andre.draszik@linaro.org>
> +
> +description: |
> + This is a part of device tree bindings for the MAX77759 companion Power
> + Management IC for USB Type-C applications.
> +
> + The MAX77759 includes Battery Charger, Fuel Gauge, temperature sensors, USB
> + Type-C Port Controller (TCPC), NVMEM, and a GPIO expander.
> +
> +properties:
> + compatible:
> + const: maxim,max77759
> +
> + interrupts:
> + maxItems: 1
> +
> + interrupt-controller: true
> +
> + "#interrupt-cells":
> + const: 2
> +
> + gpio-controller: true
> +
> + "#gpio-cells":
> + const: 2
> +
> + gpio:
> + $ref: /schemas/gpio/maxim,max77759-gpio.yaml
> +
> + reg:
> + maxItems: 1
> +
> + pmic-nvmem:

Just 'nvmem'

> + $ref: /schemas/nvmem/maxim,max77759-nvmem.yaml
> +
> +required:
> + - compatible
> + - interrupts
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pmic@66 {
> + compatible = "maxim,max77759";
> + reg = <0x66>;
> + interrupts-extended = <&gpa8 3 IRQ_TYPE_LEVEL_LOW>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> +
> + gpio {
> + compatible = "maxim,max77759-gpio";
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + pmic-nvmem {

nvmem {

> + compatible = "maxim,max77759-nvmem";
> +
> + nvmem-layout {
> + compatible = "fixed-layout";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + reboot-mode@0 {
> + reg = <0x0 0x4>;
> + };
> +
> + boot-reason@4 {
> + reg = <0x4 0x4>;
> + };
> +
> + shutdown-user-flag@8 {
> + reg = <0x8 0x1>;
> + };
> +
> + rsoc@10 {
> + reg = <0xa 0x2>;
> + };
> + };
> + };
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f076360ce3c6..f2c19a1b4c05 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -14322,6 +14322,12 @@ F: Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
> F: drivers/mfd/max77714.c
> F: include/linux/mfd/max77714.h
>
> +MAXIM MAX77759 PMIC MFD DRIVER
> +M: André Draszik <andre.draszik@linaro.org>
> +L: linux-kernel@vger.kernel.org
> +S: Maintained
> +F: Documentation/devicetree/bindings/*/maxim,max77759*.yaml
> +
> MAXIM MAX77802 PMIC REGULATOR DEVICE DRIVER
> M: Javier Martinez Canillas <javier@dowhile0.org>
> L: linux-kernel@vger.kernel.org
>
> --
> 2.48.1.658.g4767266eb4-goog
>