[RFC,V2,08/11] dt-bindings: interconnect: add MT8183 interconnect dt-bindings
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Message ID 1556614265-12745-9-git-send-email-henryc.chen@mediatek.com
State New
Headers show
Series
  • [RFC,V2,01/11] dt-bindings: soc: Add dvfsrc driver bindings
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Commit Message

Henry Chen April 30, 2019, 8:51 a.m. UTC
Add interconnect provider dt-bindings for MT8183.

Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
---
 .../bindings/interconnect/mtk,mt8183.txt           | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interconnect/mtk,mt8183.txt

Comments

Rob Herring May 1, 2019, 8:27 p.m. UTC | #1
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 <henryc.chen@mediatek.com>
> ---
>  .../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
Henry Chen Aug. 19, 2019, 1:39 a.m. UTC | #2
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 <henryc.chen@mediatek.com>
> > ---
> >  .../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

Patch
diff mbox series

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>;
+	};
+};
+