Re: [PATCH v2 1/4] dt-bindings: mfd: sprd: Add bindings for ums512 global registers

From: Rob Herring
Date: Thu Sep 16 2021 - 09:08:55 EST


On Thu, Sep 16, 2021 at 04:47:11PM +0800, Chunyan Zhang wrote:
> From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
>
> Add bindings for Unisoc system global register which provide register map
> for clocks.
>
> Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
> ---
> .../bindings/mfd/sprd,ums512-glbreg.yaml | 67 +++++++++++++++++++
> 1 file changed, 67 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml b/Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml
> new file mode 100644
> index 000000000000..cf9dad06bb4e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/sprd,ums512-glbreg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Unisoc System Global Register Device Tree Bindings
> +
> +maintainers:
> + - Orson Zhai <orsonzhai@xxxxxxxxx>
> + - Baolin Wang <baolin.wang7@xxxxxxxxx>
> + - Chunyan Zhang <zhang.lyra@xxxxxxxxx>
> +
> +description:
> + Unisoc system global registers provide register map
> + for clocks and some multimedia modules of the SoC.
> +
> +properties:
> + "#address-cells": true
> + "#size-cells": true
> +
> + compatible:
> + items:
> + - const: sprd,ums512-glbregs
> + - const: syscon
> + - const: simple-mfd
> +
> + ranges:
> + maxItems: 1
> +
> + reg:
> + maxItems: 1
> +
> +patternProperties:
> + "^.*@[0-9a-f]+$":

"clock-controller@[0-9a-f]+$"

> + # Child node
> + type: object
> + $ref: "../clock/sprd,ums512-clk.yaml"
> + description:
> + Clock controller for the SoC clocks. This child node definition
> + should follow the bindings specified in
> + Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml.

No need to reference this file twice.

> +
> +required:
> + - compatible
> + - reg
> + - "#address-cells"
> + - "#size-cells"
> + - ranges
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + ap_apb_regs: syscon@71000000 {
> + compatible = "sprd,ums512-glbregs", "syscon", "simple-mfd";
> + reg = <0x71000000 0x3000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x71000000 0x3000>;
> +
> + apahb_gate: clock-controller@0 {

Drop unused labels.

> + compatible = "sprd,ums512-apahb-gate";
> + reg = <0x0 0x2000>;
> + #clock-cells = <1>;
> + };
> + };
> --
> 2.25.1
>
>