Re: [PATCH 1/6] dt-bindings: clock: mediatek: Add mt8173 mfgtop

From: Chen-Yu Tsai
Date: Fri May 31 2024 - 03:29:31 EST


On Thu, May 30, 2024 at 11:43 PM Conor Dooley <conor@xxxxxxxxxx> wrote:
>
> On Thu, May 30, 2024 at 04:35:00PM +0800, Chen-Yu Tsai wrote:
> > The MFG (GPU) block on the MT8173 has a small glue layer, named MFG_TOP
> > in the datasheet, that contains clock gates, some power sequence signal
> > delays, and other unknown registers that get toggled when the GPU is
> > powered on.
> >
> > The clock gates are exposed as clocks provided by a clock controller,
> > while the power sequencing bits are exposed as one singular power domain.
> >
> > Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
> > ---
> > .../clock/mediatek,mt8173-mfgtop.yaml | 71 +++++++++++++++++++
> > include/dt-bindings/clock/mt8173-clk.h | 7 ++
> > 2 files changed, 78 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt8173-mfgtop.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt8173-mfgtop.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt8173-mfgtop.yaml
> > new file mode 100644
> > index 000000000000..03c3c1f8cf75
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/clock/mediatek,mt8173-mfgtop.yaml
> > @@ -0,0 +1,71 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +
> > +$id: http://devicetree.org/schemas/clock/mediatek,mt8173-mfgtop.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: MediaTek MT8173 MFG TOP controller
> > +
> > +maintainers:
> > + - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> > +
> > +description:
> > + The MFG TOP glue layer controls various signals going to the MFG (GPU)
> > + block on the MT8173.
> > +
> > +properties:
> > + compatible:
> > + const: mediatek,mt8173-mfgtop
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + clocks:
> > + minItems: 4
>
> minItems is not needed when minItems == maxItems.

Ack.

> > + maxItems: 4
> > +
> > + clock-names:
> > + items:
> > + - const: sys
> > + - const: mem
> > + - const: core
> > + - const: clk26m
> > +
> > + power-domains:
> > + maxItems: 1
> > +
> > + '#clock-cells':
> > + const: 1
> > +
> > + '#power-domain-cells':
> > + const: 0
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - clock-names
> > + - power-domains
> > + - '#clock-cells'
> > + - '#power-domain-cells'
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/mt8173-clk.h>
> > + #include <dt-bindings/power/mt8173-power.h>
> > +
> > + mfgtop: clock-controller@13fff000 {
>
> The label here is used, so drop it.

Assume you mean _not_ used. Dropping. :D

> Otherwise,
> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks!