[v6,03/11] ARM: dts: sun8i: Add R_CPUCFG device node for the A83T dtsi

Message ID 20180416215032.5023-4-mylene.josserand@bootlin.com
State New
Headers show
Series
  • Sunxi: Add SMP support on A83T
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Commit Message

Mylène Josserand April 16, 2018, 9:50 p.m.
The R_CPUCFG is a collection of registers needed for SMP bringup
on clusters and cluster's reset.
For the moment, documentation about this register is found in
Allwinner's code only.

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

Comments

Chen-Yu Tsai April 17, 2018, 3:13 a.m. | #1
On Tue, Apr 17, 2018 at 5:50 AM, Mylène Josserand
<mylene.josserand@bootlin.com> wrote:
> The R_CPUCFG is a collection of registers needed for SMP bringup
> on clusters and cluster's reset.
> For the moment, documentation about this register is found in
> Allwinner's code only.
>
> Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>

Reviewed-by: Chen-Yu Tsai <wens@csie.org>

Patch

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 32992afa0b12..7974eaba57a7 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -933,6 +933,11 @@ 
 			#reset-cells = <1>;
 		};
 
+		r_cpucfg@1f01c00 {
+			compatible = "allwinner,sun8i-a83t-r-cpucfg";
+			reg = <0x1f01c00 0x400>;
+		};
+
 		r_pio: pinctrl@1f02c00 {
 			compatible = "allwinner,sun8i-a83t-r-pinctrl";
 			reg = <0x01f02c00 0x400>;