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| Started by | Chanwoo Choi <cw00.choi@samsung.com> |
|---|---|
| First post | 2015-12-14 07:50 +0100 |
| Last post | 2015-12-14 07:50 +0100 |
| Articles | 1 — 1 participant |
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[PATCH v4 10/20] PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line Chanwoo Choi <cw00.choi@samsung.com> - 2015-12-14 07:50 +0100
| From | Chanwoo Choi <cw00.choi@samsung.com> |
|---|---|
| Date | 2015-12-14 07:50 +0100 |
| Subject | [PATCH v4 10/20] PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line |
| Message-ID | <qFv7k-2ur-5@gated-at.bofh.it> |
This patch adds the detailed corrleation between sub-blocks and power line
for Exynos3250, Exynos4210 and Exynos4x12.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---
.../devicetree/bindings/devfreq/exynos-bus.txt | 51 ++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/Documentation/devicetree/bindings/devfreq/exynos-bus.txt b/Documentation/devicetree/bindings/devfreq/exynos-bus.txt
index a251f9120561..f3a32b310dc7 100644
--- a/Documentation/devicetree/bindings/devfreq/exynos-bus.txt
+++ b/Documentation/devicetree/bindings/devfreq/exynos-bus.txt
@@ -51,6 +51,57 @@ Optional properties only for parent bus device:
- exynos,saturation-ratio: the percentage value which is used to calibrate
the performance count against total cycle count.
+Detailed correlation between sub-blocks and power line according to Exynos SoC:
+- In case of Exynos3250, there are two power line as following:
+ VDD_MIF |--- DMC
+
+ VDD_INT |--- LEFTBUS (parent device)
+ |--- PERIL
+ |--- MFC
+ |--- G3D
+ |--- RIGHTBUS
+ |--- PERIR
+ |--- FSYS
+ |--- LCD0
+ |--- PERIR
+ |--- ISP
+ |--- CAM
+
+- In case of Exynos4210, there is one power line as following:
+ VDD_INT |--- DMC (parent device)
+ |--- LEFTBUS
+ |--- PERIL
+ |--- MFC(L)
+ |--- G3D
+ |--- TV
+ |--- LCD0
+ |--- RIGHTBUS
+ |--- PERIR
+ |--- MFC(R)
+ |--- CAM
+ |--- FSYS
+ |--- GPS
+ |--- LCD0
+ |--- LCD1
+
+- In case of Exynos4x12, there are two power line as following:
+ VDD_MIF |--- DMC
+
+ VDD_INT |--- LEFTBUS (parent device)
+ |--- PERIL
+ |--- MFC(L)
+ |--- G3D
+ |--- TV
+ |--- IMAGE
+ |--- RIGHTBUS
+ |--- PERIR
+ |--- MFC(R)
+ |--- CAM
+ |--- FSYS
+ |--- GPS
+ |--- LCD0
+ |--- ISP
+
Example1:
Show the AXI buses of Exynos3250 SoC. Exynos3250 divides the buses to
power line (regulator). The MIF (Memory Interface) AXI bus is used to
--
1.9.1
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