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Groups > linux.kernel > #1537215
| From | Krzysztof Kozlowski <krzk@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node |
| Date | 2016-12-06 20:10 +0100 |
| Message-ID | <sLthL-64C-5@gated-at.bofh.it> (permalink) |
| References | <sJQit-uF-3@gated-at.bofh.it> <sJQit-uF-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Dec 02, 2016 at 04:18:05PM +0900, Chanwoo Choi wrote:
> This patch adds PPMU (Platform Performance Monitoring Unit) Device-tree node
> to measure the utilization of each IP in Exynos SoC.
>
> - PPMU_D{0|1}_CPU are used to measure the utilization of MIF (Memory Interface)
> block with VDD_MIF power source.
> - PPMU_D{0|1}_GENERAL are used to measure the utilization of INT(Internal)
> block with VDD_INT power source.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> ---
> arch/arm64/boot/dts/exynos/exynos5433.dtsi | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> index 64226d5ae471..8c4ee84d5232 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -599,6 +599,30 @@
> clock-names = "fin_pll", "mct";
> };
>
> + ppmu_d0_cpu: ppmu@10480000 {
> + compatible = "samsung,exynos-ppmu-v2";
> + reg = <0x10480000 0x2000>;
> + status = "disabled";
Why these are disabled? They have some external dependencies?
Best regards,
Krzysztof
> + };
> +
> + ppmu_d0_general: ppmu@10490000 {
> + compatible = "samsung,exynos-ppmu-v2";
> + reg = <0x10490000 0x2000>;
> + status = "disabled";
> + };
> +
> + ppmu_d1_cpu: ppmu@104b0000 {
> + compatible = "samsung,exynos-ppmu-v2";
> + reg = <0x104b0000 0x2000>;
> + status = "disabled";
> + };
> +
> + ppmu_d1_general: ppmu@104c0000 {
> + compatible = "samsung,exynos-ppmu-v2";
> + reg = <0x104c0000 0x2000>;
> + status = "disabled";
> + };
> +
> pinctrl_alive: pinctrl@10580000 {
> compatible = "samsung,exynos5433-pinctrl";
> reg = <0x10580000 0x1a20>, <0x11090000 0x100>;
> --
> 1.9.1
>
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[PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Chanwoo Choi <cw00.choi@samsung.com> - 2016-12-02 08:20 +0100
Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Krzysztof Kozlowski <krzk@kernel.org> - 2016-12-06 20:10 +0100
Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Chanwoo Choi <cw00.choi@samsung.com> - 2016-12-07 05:30 +0100
Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Chanwoo Choi <cw00.choi@samsung.com> - 2016-12-07 07:00 +0100
Re: [PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node Krzysztof Kozlowski <krzk@kernel.org> - 2016-12-07 07:20 +0100
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