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[3/4] ARM: dts: sun9i: Add CPUCFG device node for A80 dtsi

Message ID 20170725050919.16036-4-wens@csie.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Chen-Yu Tsai July 25, 2017, 5:09 a.m. UTC 
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@csie.org>
---
 arch/arm/boot/dts/sun9i-a80.dtsi | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index fc179b8ab038..cc5db467f616 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -368,6 +368,11 @@ 
 			#reset-cells = <1>;
 		};
 
+		cpucfg@01700000 {
+			compatible = "allwinner,sun9i-a80-cpucfg";
+			reg = <0x01700000 0x100>;
+		};
+
 		mmc0: mmc@01c0f000 {
 			compatible = "allwinner,sun9i-a80-mmc";
 			reg = <0x01c0f000 0x1000>;