Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1695381

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

From Chen-Yu Tsai <wens@csie.org>
Newsgroups linux.kernel
Subject [PATCH 3/4] ARM: dts: sun9i: Add CPUCFG device node for A80 dtsi
Date 2017-07-25 07:20 +0200
Message-ID <u70qe-764-11@gated-at.bofh.it> (permalink)
References <u70qe-764-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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(+)

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>;
-- 
2.13.3

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH 3/4] ARM: dts: sun9i: Add CPUCFG device node for A80 dtsi Chen-Yu Tsai <wens@csie.org> - 2017-07-25 07:20 +0200

csiph-web