linux-kernel - [RFC 3/7] ARM: dts: sun9i: Add CPUCFG device node for A80 dtsi

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Message-Id: <1431583811-25780-4-git-send-email-wens@csie.org>
Date:	Thu, 14 May 2015 14:10:07 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Chen-Yu Tsai <wens@...e.org>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Dave Martin <Dave.Martin@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com
Subject: [RFC 3/7] ARM: dts: sun9i: Add CPUCFG device node for A80 dtsi

CPUCFG is a collection of registers that are mapped to the SoC's signals
from each individual processor core and associated peripherals, such as
resets for processors, L1/L2 cache and other things.

These registers are used for SMP bringup and CPU hotplugging.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 arch/arm/boot/dts/sun9i-a80.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index 200e712fbf0e..c45735398f6a 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -458,6 +458,11 @@
 			#phy-cells = <0>;
 		};
 
+		cpucfg@...00000 {
+			compatible = "allwinner,sun9i-a80-cpucfg";
+			reg = <0x01700000 0x100>;
+		};
+
 		mmc0: mmc@...0f000 {
 			compatible = "allwinner,sun5i-a13-mmc";
 			reg = <0x01c0f000 0x1000>;
-- 
2.1.4

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