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authorGeert Uytterhoeven <geert+renesas@glider.be>2015-06-03 10:43:13 +0200
committerSimon Horman <horms+renesas@verge.net.au>2016-04-27 14:15:23 +1000
commita7ede1abeefd69330c5dd45b335d22af1e2baf2e (patch)
treea699d2b6b736ad3b8284332871b0025f83b6224a /arch/arm/boot
parent8574de861978d5187da4f2b7dcf127a5795e967f (diff)
downloadlinux-a7ede1abeefd69330c5dd45b335d22af1e2baf2e.tar.gz
ARM: dts: r8a7793: Add SYSC PM Domains
Add a device node for the System Controller.
Hook up the first Cortex-A15 CPU core and the Cortex-A15 L2 cache/SCU to
their respective PM Domains.

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>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/r8a7793.dtsi9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index 6186179fd66d..53e235e3279d 100644
--- a/arch/arm/boot/dts/r8a7793.dtsi
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -11,6 +11,7 @@
 #include <dt-bindings/clock/r8a7793-clock.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/power/r8a7793-sysc.h>
 
 / {
 	compatible = "renesas,r8a7793";
@@ -43,6 +44,7 @@
 			voltage-tolerance = <1>; /* 1% */
 			clocks = <&cpg_clocks R8A7793_CLK_Z>;
 			clock-latency = <300000>; /* 300 us */
+			power-domains = <&sysc R8A7793_PD_CA15_CPU0>;
 
 			/* kHz - uV - OPPs unknown yet */
 			operating-points = <1500000 1000000>,
@@ -76,6 +78,7 @@
 
 	L2_CA15: cache-controller@0 {
 		compatible = "cache";
+		power-domains = <&sysc R8A7793_PD_CA15_SCU>;
 		cache-unified;
 		cache-level = <2>;
 	};
@@ -1223,6 +1226,12 @@
 		};
 	};
 
+	sysc: system-controller@e6180000 {
+		compatible = "renesas,r8a7793-sysc";
+		reg = <0 0xe6180000 0 0x0200>;
+		#power-domain-cells = <1>;
+	};
+
 	ipmmu_sy0: mmu@e6280000 {
 		compatible = "renesas,ipmmu-r8a7793", "renesas,ipmmu-vmsa";
 		reg = <0 0xe6280000 0 0x1000>;