From: Jeffy Chen <jeffy.chen@rock-chips.com>
Date: Wed, 6 Jul 2016 08:04:36 +0000 (+0800)
Subject: ARM: dts: rk3036: limit vpu aclk freq to 297M
X-Git-Tag: firefly_0821_release~2191
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=387dd8e32f4cd2210c97fdf3df6cab493fee534e;p=firefly-linux-kernel-4.4.55.git

ARM: dts: rk3036: limit vpu aclk freq to 297M

Change-Id: I5fe0d49b7bde947188fcf718ffdb850e0c20c066
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index 11fdcb594ba4..ffafa8f20164 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -159,6 +159,12 @@
 		clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
 		clock-names = "aclk", "hclk";
 		iommus = <&vpu_mmu>;
+		/*
+		 * 3036's vpu could not run higher than 300M
+		 */
+		assigned-clocks = <&cru ACLK_VCODEC>;
+		assigned-clock-rates = <297000000>;
+		assigned-clock-parents = <&cru PLL_GPLL>;
 		status = "disabled";
 	};