ARM: dts: r8a7792: add SMP support

Add the device tree nodes for the Advanced Power Management Unit (APMU)
and the second Cortex-A15 CPU core.
Use the "enable-method" prop  to point out that the APMU should be used
for the SMP support.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7792.dtsi b/arch/arm/boot/dts/r8a7792.dtsi
index ad895f8..75256ef 100644 (file)
--- a/arch/arm/boot/dts/r8a7792.dtsi
+++ b/arch/arm/boot/dts/r8a7792.dtsi
@@ -21,6 +21,7 @@
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
+               enable-method = "renesas,apmu";
 
                cpu0: cpu@0 {
                        device_type = "cpu";
@@ -32,6 +33,15 @@
                        next-level-cache = <&L2_CA15>;
                };
 
+               cpu1: cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a15";
+                       reg = <1>;
+                       clock-frequency = <1000000000>;
+                       power-domains = <&sysc R8A7792_PD_CA15_CPU1>;
+                       next-level-cache = <&L2_CA15>;
+               };
+
                L2_CA15: cache-controller@0 {
                        compatible = "cache";
                        reg = <0>;
@@ -49,6 +59,12 @@
                #size-cells = <2>;
                ranges;
 
+               apmu@e6152000 {
+                       compatible = "renesas,r8a7792-apmu", "renesas,apmu";
+                       reg = <0 0xe6152000 0 0x188>;
+                       cpus = <&cpu0 &cpu1>;
+               };
+
                gic: interrupt-controller@f1001000 {
                        compatible = "arm,gic-400";
                        #interrupt-cells = <3>;