linux-kernel - [PATCH v4 05/10] ARM: dts: sun8i: Add CPUCFG device node for A83T dtsi

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Date:   Fri, 23 Feb 2018 14:37:37 +0100
From:   Mylène Josserand <mylene.josserand@...tlin.com>
To:     maxime.ripard@...tlin.com, linux@...linux.org.uk, wens@...e.org,
        robh+dt@...nel.org, mark.rutland@....com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, clabbe.montjoie@...il.com,
        thomas.petazzoni@...tlin.com, mylene.josserand@...tlin.com,
        quentin.schulz@...tlin.com
Subject: [PATCH v4 05/10] ARM: dts: sun8i: Add CPUCFG device node for A83T dtsi

As we found in sun9i-a80, CPUCFG is a collection of registers that are
mapped to the SoC's signals from each individual processor core and
associated peripherals.

These registers are used for SMP bringup and CPU hotplugging.

Signed-off-by: Mylène Josserand <mylene.josserand@...tlin.com>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 46ae4faa5894..01993284c0f4 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -231,6 +231,11 @@
 			};
 		};
 
+		cpucfg@...0000 {
+			compatible = "allwinner,sun8i-a83t-cpucfg";
+			reg = <0x01700000 0x400>;
+		};
+
 		syscon: syscon@...0000 {
 			compatible = "allwinner,sun8i-a83t-system-controller",
 				"syscon";
-- 
2.11.0