PM / devfreq: exynos-ppmu: Update documentation to support PPMUv2
authorChanwoo Choi <cw00.choi@samsung.com>
Fri, 24 Jul 2015 04:17:25 +0000 (13:17 +0900)
committerMyungJoo Ham <myungjoo.ham@samsung.com>
Mon, 3 Aug 2015 05:33:52 +0000 (14:33 +0900)
This patch updates the documentation to include the information of PPMUv2.
The PPMUv2 is used for Exynos5433 and Exynos7420 to monitor the performance
of each IP in Exynos SoC.

Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt

index aed486692880ce5503412247f76c718b94e6a863..3e36c1d113866267d659362b1841c25c190e8e36 100644 (file)
@@ -11,14 +11,14 @@ to various devfreq devices. The devfreq devices would use the event data when
 derterming the current state of each IP.
 
 Required properties:
-- compatible: Should be "samsung,exynos-ppmu".
+- compatible: Should be "samsung,exynos-ppmu" or "samsung,exynos-ppmu-v2.
 - reg: physical base address of each PPMU and length of memory mapped region.
 
 Optional properties:
 - clock-names : the name of clock used by the PPMU, "ppmu"
 - clocks : phandles for clock specified in "clock-names" property
 
-Example1 : PPMU nodes in exynos3250.dtsi are listed below.
+Example1 : PPMUv1 nodes in exynos3250.dtsi are listed below.
 
                ppmu_dmc0: ppmu_dmc0@106a0000 {
                        compatible = "samsung,exynos-ppmu";
@@ -107,3 +107,41 @@ Example2 : Events of each PPMU node in exynos3250-rinato.dts are listed below.
                        };
                };
        };
+
+Example3 : PPMUv2 nodes in exynos5433.dtsi are listed below.
+
+               ppmu_d0_cpu: ppmu_d0_cpu@10480000 {
+                       compatible = "samsung,exynos-ppmu-v2";
+                       reg = <0x10480000 0x2000>;
+                       status = "disabled";
+               };
+
+               ppmu_d0_general: ppmu_d0_general@10490000 {
+                       compatible = "samsung,exynos-ppmu-v2";
+                       reg = <0x10490000 0x2000>;
+                       status = "disabled";
+               };
+
+               ppmu_d0_rt: ppmu_d0_rt@104a0000 {
+                       compatible = "samsung,exynos-ppmu-v2";
+                       reg = <0x104a0000 0x2000>;
+                       status = "disabled";
+               };
+
+               ppmu_d1_cpu: ppmu_d1_cpu@104b0000 {
+                       compatible = "samsung,exynos-ppmu-v2";
+                       reg = <0x104b0000 0x2000>;
+                       status = "disabled";
+               };
+
+               ppmu_d1_general: ppmu_d1_general@104c0000 {
+                       compatible = "samsung,exynos-ppmu-v2";
+                       reg = <0x104c0000 0x2000>;
+                       status = "disabled";
+               };
+
+               ppmu_d1_rt: ppmu_d1_rt@104d0000 {
+                       compatible = "samsung,exynos-ppmu-v2";
+                       reg = <0x104d0000 0x2000>;
+                       status = "disabled";
+               };