Add interrupt-controller property, because max77705 has dedicated interrupt
source register to determine which sub device triggered an interrupt.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
---
Changes in v4:
- fix commit message: node -> property
- fix commit message: minor reword and punctuation
---
 Documentation/devicetree/bindings/mfd/maxim,max77705.yaml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
index 0ec89f0adc64..d265c8213a08 100644
--- a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
@@ -26,6 +26,18 @@ properties:
   interrupts:
     maxItems: 1
 
+  interrupt-controller:
+    description:
+      The driver implements an interrupt controller for the sub devices.
+      The interrupt number mapping is as follows
+      0 - charger
+      1 - topsys
+      2 - fuelgauge
+      3 - usb type-c management block.
+
+  '#interrupt-cells':
+    const: 1
+
   haptic:
     type: object
     additionalProperties: false
@@ -120,8 +132,10 @@ examples:
             reg = <0x66>;
             interrupt-parent = <&pm8998_gpios>;
             interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+            interrupt-controller;
             pinctrl-0 = <&chg_int_default>;
             pinctrl-names = "default";
+            #interrupt-cells = <1>;
 
             leds {
                 compatible = "maxim,max77705-rgb";

-- 
2.39.5

On Thu, 25 Sep 2025, Dzmitry Sankouski wrote:

> Add interrupt-controller property, because max77705 has dedicated interrupt
> source register to determine which sub device triggered an interrupt.
> 
> Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
> ---
> Changes in v4:
> - fix commit message: node -> property
> - fix commit message: minor reword and punctuation

Please also fix the subject line.  Format should be:

  dt-bindings: mfd: <device>: Subject line starting with an uppercase char

> ---
>  Documentation/devicetree/bindings/mfd/maxim,max77705.yaml | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
> index 0ec89f0adc64..d265c8213a08 100644
> --- a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
> @@ -26,6 +26,18 @@ properties:
>    interrupts:
>      maxItems: 1
>  
> +  interrupt-controller:
> +    description:
> +      The driver implements an interrupt controller for the sub devices.
> +      The interrupt number mapping is as follows
> +      0 - charger
> +      1 - topsys
> +      2 - fuelgauge
> +      3 - usb type-c management block.
> +
> +  '#interrupt-cells':
> +    const: 1
> +
>    haptic:
>      type: object
>      additionalProperties: false
> @@ -120,8 +132,10 @@ examples:
>              reg = <0x66>;
>              interrupt-parent = <&pm8998_gpios>;
>              interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
> +            interrupt-controller;
>              pinctrl-0 = <&chg_int_default>;
>              pinctrl-names = "default";
> +            #interrupt-cells = <1>;
>  
>              leds {
>                  compatible = "maxim,max77705-rgb";
> 
> -- 
> 2.39.5
> 

-- 
Lee Jones [李琼斯]

On Thu, Sep 25, 2025 at 10:38:39PM +0300, Dzmitry Sankouski wrote:
> Add interrupt-controller property, because max77705 has dedicated interrupt
> source register to determine which sub device triggered an interrupt.
> 
> Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
> ---
> Changes in v4:
> - fix commit message: node -> property
> - fix commit message: minor reword and punctuation
> ---
>  Documentation/devicetree/bindings/mfd/maxim,max77705.yaml | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
> index 0ec89f0adc64..d265c8213a08 100644
> --- a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
> @@ -26,6 +26,18 @@ properties:
>    interrupts:
>      maxItems: 1
>  
> +  interrupt-controller:
> +    description:
> +      The driver implements an interrupt controller for the sub devices.
> +      The interrupt number mapping is as follows
> +      0 - charger
> +      1 - topsys
> +      2 - fuelgauge
> +      3 - usb type-c management block.
> +
> +  '#interrupt-cells':
> +    const: 1
> +
>    haptic:
>      type: object
>      additionalProperties: false
> @@ -120,8 +132,10 @@ examples:
>              reg = <0x66>;
>              interrupt-parent = <&pm8998_gpios>;
>              interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
> +            interrupt-controller;
>              pinctrl-0 = <&chg_int_default>;
>              pinctrl-names = "default";
> +            #interrupt-cells = <1>;

The same: please group them together.

>  
>              leds {
>                  compatible = "maxim,max77705-rgb";
> 
> -- 
> 2.39.5
> 

-- 
With best wishes
Dmitry