[PATCH 3/5] arm64: dts: exynos5433: Add PPMU dt node
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From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2016-12-06 19:08:08
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linux-devicetree, linux-samsung-soc, lkml
On Fri, Dec 02, 2016 at 04:18:05PM +0900, Chanwoo Choi wrote:
quoted hunk ↗ jump to hunk
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 at 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 at 10490000 {
+ compatible = "samsung,exynos-ppmu-v2";
+ reg = <0x10490000 0x2000>;
+ status = "disabled";
+ };
+
+ ppmu_d1_cpu: ppmu at 104b0000 {
+ compatible = "samsung,exynos-ppmu-v2";
+ reg = <0x104b0000 0x2000>;
+ status = "disabled";
+ };
+
+ ppmu_d1_general: ppmu at 104c0000 {
+ compatible = "samsung,exynos-ppmu-v2";
+ reg = <0x104c0000 0x2000>;
+ status = "disabled";
+ };
+
pinctrl_alive: pinctrl at 10580000 {
compatible = "samsung,exynos5433-pinctrl";
reg = <0x10580000 0x1a20>, <0x11090000 0x100>;
--
1.9.1