ARM: dts: r8a7779: Add SYSC PM Domains

Add a device node for the System Controller.
Hook up ARM CPU cores 1-3 to their respective PM Domains.
Note that ARM CPU core 0 cannot be shut off.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 5c1d48d..e02875a 100644 (file)
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -14,6 +14,7 @@
 #include <dt-bindings/clock/r8a7779-clock.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/power/r8a7779-sysc.h>
 
 / {
        compatible = "renesas,r8a7779";
@@ -34,18 +35,21 @@
                        compatible = "arm,cortex-a9";
                        reg = <1>;
                        clock-frequency = <1000000000>;
+                       power-domains = <&sysc R8A7779_PD_ARM1>;
                };
                cpu@2 {
                        device_type = "cpu";
                        compatible = "arm,cortex-a9";
                        reg = <2>;
                        clock-frequency = <1000000000>;
+                       power-domains = <&sysc R8A7779_PD_ARM2>;
                };
                cpu@3 {
                        device_type = "cpu";
                        compatible = "arm,cortex-a9";
                        reg = <3>;
                        clock-frequency = <1000000000>;
+                       power-domains = <&sysc R8A7779_PD_ARM3>;
                };
        };
 
@@ -586,4 +590,10 @@
                                "mmc1", "mmc0";
                };
        };
+
+       sysc: system-controller@ffd85000 {
+               compatible = "renesas,r8a7779-sysc";
+               reg = <0xffd85000 0x0200>;
+               #power-domain-cells = <1>;
+       };
 };