2020-12-08 07:28:42

by Shuosheng Huang

[permalink] [raw]

Subject: [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100

---

Enable cpufreq for all CPU cores on a100.

Signed-off-by: Shuosheng Huang <[email protected]>
---
.../allwinner/sun50i-a100-allwinner-perf1.dts | 16 ++++++++++++++++
arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 6 +++---
2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
index 301793c72cb7..62a770f1a979 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
@@ -21,6 +21,22 @@ chosen {
};
};

+&cpu0 {
+ cpu-supply = <&reg_dcdc2>;
+};
+
+&cpu1 {
+ cpu-supply = <&reg_dcdc2>;
+};
+
+&cpu2 {
+ cpu-supply = <&reg_dcdc2>;
+};
+
+&cpu3 {
+ cpu-supply = <&reg_dcdc2>;
+};
+
&pio {
vcc-pb-supply = <&reg_dcdc1>;
vcc-pc-supply = <&reg_eldo1>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index 8f370a175ce6..c6ff172bf599 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -26,7 +26,7 @@ cpu0: cpu@0 {
clocks = <&ccu CLK_CPUX>;
};

- cpu@1 {
+ cpu1: cpu@1 {
compatible = "arm,cortex-a53";
device_type = "cpu";
reg = <0x1>;
@@ -34,7 +34,7 @@ cpu@1 {
clocks = <&ccu CLK_CPUX>;
};

- cpu@2 {
+ cpu2: cpu@2 {
compatible = "arm,cortex-a53";
device_type = "cpu";
reg = <0x2>;
@@ -42,7 +42,7 @@ cpu@2 {
clocks = <&ccu CLK_CPUX>;
};

- cpu@3 {
+ cpu3: cpu@3 {
compatible = "arm,cortex-a53";
device_type = "cpu";
reg = <0x3>;
--
2.28.0

2020-12-08 09:57:59

by Maxime Ripard

[permalink] [raw]

Subject: Re: [PATCH v4 6/6] arm64: dts: allwinner: a100: Enable cpufreq on a100

---

On Tue, Dec 08, 2020 at 03:21:38PM +0800, Shuosheng Huang wrote:
> Enable cpufreq for all CPU cores on a100.
>
> Signed-off-by: Shuosheng Huang <[email protected]>
> ---
> .../allwinner/sun50i-a100-allwinner-perf1.dts | 16 ++++++++++++++++
> arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 6 +++---
> 2 files changed, 19 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
> index 301793c72cb7..62a770f1a979 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
> @@ -21,6 +21,22 @@ chosen {
> };
> };
>
> +&cpu0 {
> + cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&cpu1 {
> + cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&cpu2 {
> + cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&cpu3 {
> + cpu-supply = <&reg_dcdc2>;
> +};
> +
> &pio {
> vcc-pb-supply = <&reg_dcdc1>;
> vcc-pc-supply = <&reg_eldo1>;
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
> index 8f370a175ce6..c6ff172bf599 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
> @@ -26,7 +26,7 @@ cpu0: cpu@0 {
> clocks = <&ccu CLK_CPUX>;
> };
>
> - cpu@1 {
> + cpu1: cpu@1 {

You're using these labels in the previous patch, it should be added there.

Maxime

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