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SubjectRe: [PATCH v4 1/9] dt-bindings: mfd: Add TI-Nspire misc registers
On Tue, Nov 01, 2022 at 04:57:56PM -0500, Andrew Davis wrote:
> The TI Nspire devices contain a set of registers with a seemingly
> miscellaneous set of functionality. This area is known simply as the
> "misc" region.
>
> Signed-off-by: Andrew Davis <afd@ti.com>
> ---
> .../bindings/mfd/ti,nspire-misc.yaml | 55 +++++++++++++++++++
> 1 file changed, 55 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml b/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml
> new file mode 100644
> index 0000000000000..d409eae7537bd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ti,nspire-misc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI Nspire MISC hardware block
> +
> +maintainers:
> + - Andrew Davis <afd@ti.com>
> +
> +description: |
> + System controller node represents a register region containing a set
> + of miscellaneous registers. The registers are not cohesive enough to
> + represent as any specific type of device. The typical use-case is
> + for some other node's driver, or platform-specific code, to acquire
> + a reference to the syscon node (e.g. by phandle, node path, or
> + search using a specific compatible value), interrogate the node (or
> + associated OS driver) to determine the location of the registers,
> + and access the registers directly.

Looks like you copied the generic description? Describe what MISC
contains.

> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - ti,nspire-misc
> + - const: syscon
> + - const: simple-mfd
> +
> + reg:
> + maxItems: 1
> +
> + reboot:
> + $ref: "../power/reset/syscon-reboot.yaml"

/schemas/power/...

And no quotes needed.

> +
> +required:
> + - compatible
> + - reg
> + - reboot
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + misc: misc@900a0000 {
> + compatible = "ti,nspire-misc", "syscon", "simple-mfd";
> + reg = <0x900a0000 0x1000>;
> +
> + reboot {
> + compatible = "syscon-reboot";
> + offset = <0x08>;
> + value = <0x02>;
> + };
> + };
> --
> 2.37.3
>
>

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