linux-kernel - [PATCH 2/7] PM / devfreq: exynos: Add the detailed correlation for Exynos5422 bus

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Message-id: <1460091646-28701-3-git-send-email-cw00.choi@samsung.com>
Date:	Fri, 08 Apr 2016 14:00:41 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
	k.kozlowski@...sung.com, kgene@...nel.org, s.nawrocki@...sung.com,
	tomasz.figa@...il.com
Cc:	rjw@...ysocki.net, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, linux@....linux.org.uk,
	linux.amoon@...il.com, m.reichl@...etechno.de,
	tjakobi@...h.uni-bielefeld.de, inki.dae@...sung.com,
	cw00.choi@...sung.com, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH 2/7] PM / devfreq: exynos: Add the detailed correlation for
 Exynos5422 bus

This patch adds the detailed corrleation between sub-blocks and power line
for Exynos5422.

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 .../devicetree/bindings/devfreq/exynos-bus.txt        | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/devfreq/exynos-bus.txt b/Documentation/devicetree/bindings/devfreq/exynos-bus.txt
index b098fa2ba5d4..5a37f51adacf 100644
--- a/Documentation/devicetree/bindings/devfreq/exynos-bus.txt
+++ b/Documentation/devicetree/bindings/devfreq/exynos-bus.txt
@@ -104,6 +104,25 @@ Detailed correlation between sub-blocks and power line according to Exynos SoC:
 		|--- LCD0
 		|--- ISP
 
+- In case of Exynos5422, there are two power line as following:
+	VDD_MIF |--- DREX 0 (parent device, DRAM EXpress controller)
+	        |--- DREX 1
+
+	VDD_INT |--- NoC_Core (parent device)
+		|--- G2D
+		|--- G3D
+		|--- DISP1
+		|--- NoC_WCORE
+		|--- GSCL
+		|--- MSCL
+		|--- ISP
+		|--- MFC
+		|--- GEN
+		|--- PERIS
+		|--- PERIC
+		|--- FSYS
+		|--- FSYS2
+
 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