[v2] arm64: dts: mediatek: Add cpufreq nodes for MT8192

Message ID 20230303020014.23580-1-allen-kh.cheng@mediatek.com
State New
Headers
Series [v2] arm64: dts: mediatek: Add cpufreq nodes for MT8192 |

Commit Message

Allen-KH Cheng March 3, 2023, 2 a.m. UTC
  Add the cpufreq nodes for MT8192 SoC.

Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
---
Change in v1:
    Fix : this should be <&performance 0>
    [Allen-KH Cheng <allen-kh.cheng@mediatek.com>]
---
---
 arch/arm64/boot/dts/mediatek/mt8192.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
  

Comments

AngeloGioacchino Del Regno March 3, 2023, 11:23 a.m. UTC | #1
Il 03/03/23 03:00, Allen-KH Cheng ha scritto:
> Add the cpufreq nodes for MT8192 SoC.
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
> ---
> Change in v1:
>      Fix : this should be <&performance 0>

I didn't say that *all of them should be <&performance 0>.

It's 0 for the cortex-a55 CPUs and it's 1 for the A76 CPUs.

Please fix it.



>      [Allen-KH Cheng <allen-kh.cheng@mediatek.com>]
> ---
> ---
>   arch/arm64/boot/dts/mediatek/mt8192.dtsi | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> index 87b91c8feaf9..48a4fc88fde4 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> @@ -70,6 +70,7 @@
>   			d-cache-line-size = <64>;
>   			d-cache-sets = <128>;
>   			next-level-cache = <&l2_0>;
> +			performance-domains = <&performance 0>;
>   			capacity-dmips-mhz = <530>;
>   		};
>   
> @@ -87,6 +88,7 @@
>   			d-cache-line-size = <64>;
>   			d-cache-sets = <128>;
>   			next-level-cache = <&l2_0>;
> +			performance-domains = <&performance 0>;
>   			capacity-dmips-mhz = <530>;
>   		};
>   
> @@ -104,6 +106,7 @@
>   			d-cache-line-size = <64>;
>   			d-cache-sets = <128>;
>   			next-level-cache = <&l2_0>;
> +			performance-domains = <&performance 0>;
>   			capacity-dmips-mhz = <530>;
>   		};
>   
> @@ -121,6 +124,7 @@
>   			d-cache-line-size = <64>;
>   			d-cache-sets = <128>;
>   			next-level-cache = <&l2_0>;
> +			performance-domains = <&performance 0>;
>   			capacity-dmips-mhz = <530>;
>   		};

It's 0 until there.

>   
> @@ -138,6 +142,7 @@
>   			d-cache-line-size = <64>;
>   			d-cache-sets = <256>;
>   			next-level-cache = <&l2_1>;
> +			performance-domains = <&performance 0>;

Here, and later (for cortex-a76), it's <&performance 1>.


Regards,
Angelo
  
Allen-KH Cheng March 3, 2023, 11:36 a.m. UTC | #2
Hi Angelo,

On Fri, 2023-03-03 at 12:23 +0100, AngeloGioacchino Del Regno wrote:
> Il 03/03/23 03:00, Allen-KH Cheng ha scritto:
> > Add the cpufreq nodes for MT8192 SoC.
> > 
> > Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
> > ---
> > Change in v1:
> >      Fix : this should be <&performance 0>
> 
> I didn't say that *all of them should be <&performance 0>.
> 
> It's 0 for the cortex-a55 CPUs and it's 1 for the A76 CPUs.
> 
> Please fix it.
> 
> 


Oh, sorry for my misunderstanding

I will fix it in next version.

BRs,
Allen

> 
> >      [Allen-KH Cheng <allen-kh.cheng@mediatek.com>]
> > ---
> > ---
> >   arch/arm64/boot/dts/mediatek/mt8192.dtsi | 14 ++++++++++++++
> >   1 file changed, 14 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > index 87b91c8feaf9..48a4fc88fde4 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > @@ -70,6 +70,7 @@
> >   			d-cache-line-size = <64>;
> >   			d-cache-sets = <128>;
> >   			next-level-cache = <&l2_0>;
> > +			performance-domains = <&performance 0>;
> >   			capacity-dmips-mhz = <530>;
> >   		};
> >   
> > @@ -87,6 +88,7 @@
> >   			d-cache-line-size = <64>;
> >   			d-cache-sets = <128>;
> >   			next-level-cache = <&l2_0>;
> > +			performance-domains = <&performance 0>;
> >   			capacity-dmips-mhz = <530>;
> >   		};
> >   
> > @@ -104,6 +106,7 @@
> >   			d-cache-line-size = <64>;
> >   			d-cache-sets = <128>;
> >   			next-level-cache = <&l2_0>;
> > +			performance-domains = <&performance 0>;
> >   			capacity-dmips-mhz = <530>;
> >   		};
> >   
> > @@ -121,6 +124,7 @@
> >   			d-cache-line-size = <64>;
> >   			d-cache-sets = <128>;
> >   			next-level-cache = <&l2_0>;
> > +			performance-domains = <&performance 0>;
> >   			capacity-dmips-mhz = <530>;
> >   		};
> 
> It's 0 until there.
> 
> >   
> > @@ -138,6 +142,7 @@
> >   			d-cache-line-size = <64>;
> >   			d-cache-sets = <256>;
> >   			next-level-cache = <&l2_1>;
> > +			performance-domains = <&performance 0>;
> 
> Here, and later (for cortex-a76), it's <&performance 1>.
> 
> 
> Regards,
> Angelo
>
  

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index 87b91c8feaf9..48a4fc88fde4 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -70,6 +70,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <530>;
 		};
 
@@ -87,6 +88,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <530>;
 		};
 
@@ -104,6 +106,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <530>;
 		};
 
@@ -121,6 +124,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <128>;
 			next-level-cache = <&l2_0>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <530>;
 		};
 
@@ -138,6 +142,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2_1>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <1024>;
 		};
 
@@ -155,6 +160,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2_1>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <1024>;
 		};
 
@@ -172,6 +178,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2_1>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <1024>;
 		};
 
@@ -189,6 +196,7 @@ 
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2_1>;
+			performance-domains = <&performance 0>;
 			capacity-dmips-mhz = <1024>;
 		};
 
@@ -318,6 +326,12 @@ 
 		compatible = "simple-bus";
 		ranges;
 
+		performance: performance-controller@11bc10 {
+			compatible = "mediatek,cpufreq-hw";
+			reg = <0 0x0011bc10 0 0x120>, <0 0x0011bd30 0 0x120>;
+			#performance-domain-cells = <1>;
+		};
+
 		gic: interrupt-controller@c000000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <4>;