2019-04-30 09:47:56

by Henry Chen

Subject: [RFC V2 08/11] dt-bindings: interconnect: add MT8183 interconnect dt-bindings

Add interconnect provider dt-bindings for MT8183.

Signed-off-by: Henry Chen <[email protected]>
---
.../bindings/interconnect/mtk,mt8183.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt

diff --git a/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt b/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
new file mode 100644
index 0000000..1cf1841
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
@@ -0,0 +1,24 @@
+Mediatek MT8183 interconnect binding
+
+MT8183 interconnect providers support dram bandwidth requirements. The provider
+is able to communicate with the DVFSRC and send the dram bandwidth to it.
+Provider nodes must reside within an DVFSRC device node.
+
+Required properties :
+- compatible : shall contain only one of the following:
+ "mediatek,mt8183-emi-icc"
+- #interconnect-cells : should contain 1
+
+Examples:
+
+dvfsrc@10012000 {
+ compatible = "mediatek,mt8183-dvfsrc";
+ reg = <0 0x10012000 0 0x1000>;
+ clocks = <&infracfg CLK_INFRA_DVFSRC>;
+ clock-names = "dvfsrc";
+ ddr_emi: interconnect {
+ compatible = "mediatek,mt8183-emi-icc";
+ #interconnect-cells = <1>;
+ };
+};
+
--
1.9.1

2019-05-01 20:29:37

by Rob Herring (Arm)

Subject: Re: [RFC V2 08/11] dt-bindings: interconnect: add MT8183 interconnect dt-bindings

On Tue, Apr 30, 2019 at 04:51:02PM +0800, Henry Chen wrote:
> Add interconnect provider dt-bindings for MT8183.
>
> Signed-off-by: Henry Chen <[email protected]>
> ---
> .../bindings/interconnect/mtk,mt8183.txt | 24 ++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
>
> diff --git a/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt b/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
> new file mode 100644
> index 0000000..1cf1841
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
> @@ -0,0 +1,24 @@
> +Mediatek MT8183 interconnect binding

This should be part of the dvfsrc binding.

> +
> +MT8183 interconnect providers support dram bandwidth requirements. The provider
> +is able to communicate with the DVFSRC and send the dram bandwidth to it.
> +Provider nodes must reside within an DVFSRC device node.
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> + "mediatek,mt8183-emi-icc"
> +- #interconnect-cells : should contain 1
> +
> +Examples:
> +
> +dvfsrc@10012000 {
> + compatible = "mediatek,mt8183-dvfsrc";
> + reg = <0 0x10012000 0 0x1000>;
> + clocks = <&infracfg CLK_INFRA_DVFSRC>;
> + clock-names = "dvfsrc";
> + ddr_emi: interconnect {
> + compatible = "mediatek,mt8183-emi-icc";
> + #interconnect-cells = <1>;

No need for a child node here. Just move #interconnect-cells to the
parent.

Rob

2019-08-19 01:41:40

by Henry Chen

Subject: Re: [RFC V2 08/11] dt-bindings: interconnect: add MT8183 interconnect dt-bindings

Hi Rob,

Sorry for late reply.

On Wed, 2019-05-01 at 15:27 -0500, Rob Herring wrote:
> On Tue, Apr 30, 2019 at 04:51:02PM +0800, Henry Chen wrote:
> > Add interconnect provider dt-bindings for MT8183.
> >
> > Signed-off-by: Henry Chen <[email protected]>
> > ---
> > .../bindings/interconnect/mtk,mt8183.txt | 24 ++++++++++++++++++++++
> > 1 file changed, 24 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
> >
> > diff --git a/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt b/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
> > new file mode 100644
> > index 0000000..1cf1841
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt
> > @@ -0,0 +1,24 @@
> > +Mediatek MT8183 interconnect binding
>
> This should be part of the dvfsrc binding.
ok, will add these into dvfsrc binding.
>
> > +
> > +MT8183 interconnect providers support dram bandwidth requirements. The provider
> > +is able to communicate with the DVFSRC and send the dram bandwidth to it.
> > +Provider nodes must reside within an DVFSRC device node.
> > +
> > +Required properties :
> > +- compatible : shall contain only one of the following:
> > + "mediatek,mt8183-emi-icc"
> > +- #interconnect-cells : should contain 1
> > +
> > +Examples:
> > +
> > +dvfsrc@10012000 {
> > + compatible = "mediatek,mt8183-dvfsrc";
> > + reg = <0 0x10012000 0 0x1000>;
> > + clocks = <&infracfg CLK_INFRA_DVFSRC>;
> > + clock-names = "dvfsrc";
> > + ddr_emi: interconnect {
> > + compatible = "mediatek,mt8183-emi-icc";
> > + #interconnect-cells = <1>;
>
> No need for a child node here. Just move #interconnect-cells to the
> parent.
Ihave tried and it cannot work if move "#interconnect-cells" to the
parent.
The provider nodes must reside within an DVFSRC device node.
>
> Rob