Re: [PATCH 2/4] dt-bindings: clock: mediatek: add clock controllers of MT7988

From: Rob Herring
Date: Tue Nov 14 2023 - 09:13:03 EST


On Mon, Nov 13, 2023 at 09:12:19PM +0000, Daniel Golle wrote:
> Add various clock controllers found in the MT7988 SoC to existing
> bindings (if applicable) and add files for the new ethwarp, mcusys
> and xfi-pll clock controllers not previously present in any previous
> MediaTek SoC.
>
> Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
> ---
> .../bindings/arm/mediatek/mediatek,ethsys.txt | 1 +
> .../arm/mediatek/mediatek,infracfg.yaml | 1 +
> .../arm/mediatek/mediatek,mt7988-ethwarp.yaml | 60 +++++++++++++++++++
> .../arm/mediatek/mediatek,mt7988-mcusys.yaml | 46 ++++++++++++++
> .../arm/mediatek/mediatek,mt7988-xfi-pll.yaml | 49 +++++++++++++++
> .../bindings/clock/mediatek,apmixedsys.yaml | 1 +
> .../bindings/clock/mediatek,topckgen.yaml | 1 +
> .../bindings/net/pcs/mediatek,sgmiisys.yaml | 2 +
> 8 files changed, 161 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7988-ethwarp.yaml
> create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7988-mcusys.yaml
> create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7988-xfi-pll.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt
> index eccd4b706a78d..ac52579e03618 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt
> @@ -12,6 +12,7 @@ Required Properties:
> - "mediatek,mt7629-ethsys", "syscon"
> - "mediatek,mt7981-ethsys", "syscon"
> - "mediatek,mt7986-ethsys", "syscon"
> + - "mediatek,mt7988-ethsys", "syscon"
> - #clock-cells: Must be 1
> - #reset-cells: Must be 1
>
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml
> index ea98043c6ba3d..230b5188a88db 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml
> @@ -30,6 +30,7 @@ properties:
> - mediatek,mt7629-infracfg
> - mediatek,mt7981-infracfg
> - mediatek,mt7986-infracfg
> + - mediatek,mt7988-infracfg
> - mediatek,mt8135-infracfg
> - mediatek,mt8167-infracfg
> - mediatek,mt8173-infracfg
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7988-ethwarp.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7988-ethwarp.yaml
> new file mode 100644
> index 0000000000000..0c3d5e88b09df
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7988-ethwarp.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt7988-ethwarp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek MT7988 ethwarp Controller
> +
> +maintainers:
> + - Daniel Golle <daniel@xxxxxxxxxxxxxx>
> +
> +description:
> + The Mediatek MT7988 ethwarp controller provides clocks and resets for the
> + Ethernet related subsystems found the MT7988 SoC.
> + The reset-controller can be represented using the ti,syscon-reset bindings.
> + The clock values can be found in <dt-bindings/clock/mt*-clk.h>.
> +
> +properties:
> + compatible:
> + items:
> + - const: mediatek,mt7988-ethwarp
> + - const: syscon
> + - const: simple-mfd
> +
> + reg:
> + maxItems: 1
> +
> + reset-controller: true

type: object

> +
> + '#clock-cells':
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/reset/ti-syscon.h>
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + ethwarp: clock-controller@15031000 {

Drop unused labels. Elsewhere too.

> + compatible = "mediatek,mt7988-ethwarp", "syscon", "simple-mfd";
> + reg = <0 0x15031000 0 0x1000>;
> + #clock-cells = <1>;
> +
> + ethrst: reset-controller {
> + compatible = "ti,syscon-reset";
> + #reset-cells = <1>;
> + ti,reset-bits = <
> + 0x8 9 0x8 9 0 0 (ASSERT_SET | DEASSERT_CLEAR | STATUS_NONE)
> + >;
> + };
> + };
> + };