[v9,03/12] ARM: dts: sun8i: Add CPUCFG device node for A83T dtsi

Message ID 20180504190545.5114-4-mylene.josserand@bootlin.com
State New
Headers show
Series
  • Sunxi: Add SMP support on A83T
Related show

Commit Message

Mylène Josserand May 4, 2018, 7:05 p.m.
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@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

Patch

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 379981389eea..a50ccb475de8 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -349,6 +349,11 @@ 
 			};
 		};
 
+		cpucfg@1700000 {
+			compatible = "allwinner,sun8i-a83t-cpucfg";
+			reg = <0x01700000 0x400>;
+		};
+
 		syscon: syscon@1c00000 {
 			compatible = "allwinner,sun8i-a83t-system-controller",
 				"syscon";