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@xxxxxxxxxxx>
Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
---
.../bindings/devfreq/event/exynos-ppmu.txt | 42 ++++++++++++++++++++--
1 file changed, 40 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt
index b54bf3a2ff57..e8fa6b6a1827 100644
--- a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt
+++ b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt
@@ -11,7 +11,7 @@ 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:
@@ -19,7 +19,7 @@ Optional properties:
- clocks : phandles for clock specified in "clock-names" property
- #clock-cells: should be 1.
-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";
@@ -108,3 +108,41 @@ 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";
+ };
--
1.8.5.5
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
