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| From | Chanwoo Choi <cw00.choi@samsung.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 10/20] PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line |
| Date | Fri, 11 Dec 2015 06:10:01 +0100 |
| Message-ID | <qEo7T-84p-9@gated-at.bofh.it> (permalink) |
| References | <qEo7T-84p-11@gated-at.bofh.it> |
| X-Original-To | myungjoo.ham@samsung.com, k.kozlowski@samsung.com, kgene@kernel.org |
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| X-Original-Cc | kyungmin.park@samsung.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, tjakobi@math.uni-bielefeld.de, linux.amoon@gmail.com, cw00.choi@samsung.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org |
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| Xref | csiph.com linux.kernel:1289144 |
Show key headers only | View raw
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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[PATCH v3 10/20] PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line Chanwoo Choi <cw00.choi@samsung.com> - 2015-12-11 06:10 +0100
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