On Fri, Nov 04, 2022 at 03:19:34PM +0000, Biju Das wrote:
> Add device tree bindings for the RZ/G2L Port Output Enable for GPT (POEG).
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> v2->v3:
> * Removed Rb tag from Rob as there are some changes introduced.
> * Added companion property, so that poeg can link with gpt device
> * Documented renesas,id, as identifier for POEGG{A,B,C,D}.
> * Updated the example.
> v1->v2:
> * Updated the description.
> REF->v1:
> * Modelled as pincontrol as most of its configuration is intended to be
> static.
> * Updated reg size in example.
> ---
> .../bindings/pinctrl/renesas,rzg2l-poeg.yaml | 86 +++++++++++++++++++
> 1 file changed, 86 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-poeg.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-poeg.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-poeg.yaml
> new file mode 100644
> index 000000000000..8adf01682de5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-poeg.yaml
> @@ -0,0 +1,86 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/renesas,rzg2l-poeg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/G2L Port Output Enable for GPT (POEG)
> +
> +maintainers:
> + - Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> +
> +description: |
> + The output pins(GTIOCxA and GTIOCxB) of the general PWM timer (GPT) can be
> + disabled by using the port output enabling function for the GPT (POEG).
> + Specifically, either of the following ways can be used.
> + * Input level detection of the GTETRGA to GTETRGD pins.
> + * Output-disable request from the GPT.
> + * SSF bit setting(ie, by setting POEGGn.SSF to 1)
> +
> + The state of the GTIOCxA and the GTIOCxB pins when the output is disabled,
> + are controlled by the GPT module.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - renesas,r9a07g044-poeg # RZ/G2{L,LC}
> + - renesas,r9a07g054-poeg # RZ/V2L
> + - const: renesas,rzg2l-poeg
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + power-domains:
> + maxItems: 1
> +
> + resets:
> + maxItems: 1
> +
> + companion:
Also, needs a vendor prefix. The companion is the GPT, right? Perhaps
'renesas,gpt' instead.
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: phandle of a companion.
