linux-kernel - [RFC PATCH 2/2] arm: dts: rockchip: select npll as parent of DCLK

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Date:	Mon, 17 Nov 2014 22:55:38 +0800
From:	Kever Yang <kever.yang@...k-chips.com>
To:	Mike Turquette <mturquette@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>
Cc:	dianders@...omium.org, sonnyrao@...omium.org,
	addy.ke@...k-chips.com, cf@...k-chips.com, dkl@...k-chips.com,
	huangtao@...k-chips.com, linux-rockchip@...ts.infradead.org,
	tomeu.vizoso@...labora.com, sboyd@...eaurora.org,
	Kever Yang <kever.yang@...k-chips.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH 2/2] arm: dts: rockchip: select npll as parent of DCLK_VOP0

The DCLK_VOP0 will change the parent clock's rate, we don't want
to change the PLLs rate other than npll. So we select the npll
as parent directly.

Signed-off-by: Kever Yang <kever.yang@...k-chips.com>
---

 arch/arm/boot/dts/rk3288.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index c3190f7..6ea6125 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -573,6 +573,8 @@
 		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru ACLK_VOP0>, <&cru DCLK_VOP0>, <&cru HCLK_VOP0>;
 		clock-names = "aclk_vop", "dclk_vop", "hclk_vop";
+		assigned-clocks = <&cru DCLK_VOP0>;
+		assigned-clock-parents = <3>;
 		resets = <&cru SRST_LCDC0_AXI>, <&cru SRST_LCDC0_AHB>, <&cru SRST_LCDC0_DCLK>;
 		reset-names = "axi", "ahb", "dclk";
 		iommus = <&vopb_mmu>;
-- 
1.9.1

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