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SubjectRe: [PATCH v3 1/2] dt-bindings: clock: Add binding documentation for TI syscon gate clock
On Sat, Feb 15, 2020 at 07:47:23PM +0530, Vignesh Raghavendra wrote:
> Add dt bindings for TI syscon gate clock driver that is used to control
> EHRPWM's TimeBase clock (TBCLK) on TI's AM654 SoC.
>
> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
> ---
> .../bindings/clock/ti,am654-ehrpwm-tbclk.yaml | 35 +++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml
>
> diff --git a/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml b/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml
> new file mode 100644
> index 000000000000..3bf954ecb803
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ti,am654-ehrpwm-tbclk.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI syscon gate clock driver

Bindings are for h/w blocks, not drivers.

> +
> +maintainers:
> + - Vignesh Raghavendra <vigneshr@ti.com>
> +
> +properties:
> + compatible:
> + items:
> + - const: ti,am654-ehrpwm-tbclk
> + - const: syscon

Why is this a syscon? Are there other functions or it's just the easy
way to get a regmap.

> +
> + "#clock-cells":
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - "#clock-cells"
> + - reg
> +
> +examples:
> + - |
> + ehrpwm_tbclk: syscon@4140 {
> + compatible = "ti,am654-ehrpwm-tbclk", "syscon";
> + reg = <0x4140 0x18>;
> + #clock-cells = <1>;
> + };
> --
> 2.25.0
>

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