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Message-id: <1409891419-28560-5-git-send-email-cw00.choi@samsung.com>
Date: Fri, 05 Sep 2014 13:30:18 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: myungjoo.ham@...sung.com, linux-pm@...r.kernel.org
Cc: kyungmin.park@...sung.com, rafael.j.wysocki@...el.com,
a.kesavan@...sung.com, kgene.kim@...sung.com,
tomasz.figa@...il.com, b.zolnierkie@...sung.com, nm@...com,
linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Chanwoo Choi <cw00.choi@...sung.com>
Subject: [RFC PATCH 4/5] ARM: dts: Add PPMU dt node for Exynos4 SoC
This patch add PPMU (Performance Profiling Monitoring Unit) dt node for Exynos4
(Exynos4210/4212/4412) SoC. PPMU dt node is used to monitor the utilization of
each IP.
The Exynos4210/Exynos4212/Exynos4412 SoC includes following PPMUs:
- PPMU_DMC0 0x106A_0000
- PPMU_DMC1 0x106B_0000
- PPMU_CPU 0x106C_0000
- PPMU_ACP 0x10AE_0000
- PPMU_RIGHT_BUS 0x112A_0000
- PPMU_LEFT_BUS 0x116A_0000
- PPMU_LCD0 0x11E4_0000
- PPMU_CAMIF 0x11AC_0000
- PPMU_IMAGE 0x12AA_0000
- PPMU_TV 0x12E4_0000
- PPMU_3D 0x1322_0000
- PPMU_MFC_L 0x1366_0000
- PPMU_MFC_R 0x1367_0000
Additionally, the Exynos4210 SoC includes following PPMUs:
- PPMU_LCD1 0x1224_0000
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
---
arch/arm/boot/dts/exynos4.dtsi | 96 +++++++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/exynos4210.dtsi | 8 ++++
2 files changed, 104 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index e0278ec..c58d3f3 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -645,4 +645,100 @@
samsung,sysreg = <&sys_reg>;
status = "disabled";
};
+
+ ppmu_dmc0: ppmu_dmc0@...a0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x106a0000 0x2000>;
+ clocks = <&clock CLK_PPMUDMC0>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_dmc1: ppmu_dmc1@...b0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x106b0000 0x2000>;
+ clocks = <&clock CLK_PPMUDMC1>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_cpu: ppmu_cpu@...c0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x106c0000 0x2000>;
+ clocks = <&clock CLK_PPMUCPU>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_rightbus: ppmu_rightbus@...a0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x112a0000 0x2000>;
+ clocks = <&clock CLK_PPMURIGHT>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_leftbus: ppmu_leftbus0@...a0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x116a0000 0x2000>;
+ clocks = <&clock CLK_PPMULEFT>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_camif: ppmu_camif@...c0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x11ac0000 0x2000>;
+ clocks = <&clock CLK_PPMUCAMIF>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_lcd0: ppmu_lcd0@...40000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x11e40000 0x2000>;
+ clocks = <&clock CLK_PPMULCD0>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_image: ppmu_image@...a0000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x12aa0000 0x2000>;
+ clocks = <&clock CLK_PPMUIMAGE>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_tv: ppmu_tv@...40000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x12e40000 0x2000>;
+ clocks = <&clock CLK_PPMUTV>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_g3d: ppmu_g3d@...20000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x13220000 0x2000>;
+ clocks = <&clock CLK_PPMUG3D>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_mfc_l: ppmu_mfc_l@...60000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x13660000 0x2000>;
+ clocks = <&clock CLK_PPMUMFC_L>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
+
+ ppmu_mfc_r: ppmu_mfc_r@...70000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x13670000 0x2000>;
+ clocks = <&clock CLK_PPMUMFC_R>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
};
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 807bb5b..1b854e6 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -175,4 +175,12 @@
samsung,lcd-wb;
};
};
+
+ ppmu_lcd1: ppmu_lcd1@...40000 {
+ compatible = "samsung,exynos4210-ppmu";
+ reg = <0x12240000 0x2000>;
+ clocks = <&clock CLK_PPMULCD1>;
+ clock-names = "ppmu";
+ status = "disabled";
+ };
};
--
1.8.0
--
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