linux-kernel - [PATCH/RFC 15/15] ARM: shmobile: r8a7794 dtsi: Add SYSC PM domains

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Message-Id: <1433444021-22167-16-git-send-email-geert+renesas@glider.be>
Date:	Thu,  4 Jun 2015 20:53:41 +0200
From:	Geert Uytterhoeven <geert+renesas@...der.be>
To:	Simon Horman <horms@...ge.net.au>,
	Magnus Damm <magnus.damm@...il.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Kevin Hilman <khilman@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Lina Iyer <lina.iyer@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>
Cc:	linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-sh@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH/RFC 15/15] ARM: shmobile: r8a7794 dtsi: Add SYSC PM domains

Add a device node for the System Controller, with subnodes that
represent the hardware power area hierarchy.
Hook up the Cortex-A7 CPU cores and the Cortex-A7 L2 cache/SCU to their
respective PM domains.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 arch/arm/boot/dts/r8a7794.dtsi | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 0ea502a43d553e25..3d844edaf433ac05 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -28,6 +28,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <0>;
 			clock-frequency = <1000000000>;
+			power-domains = <&pd_ca7_cpu0>;
 
 			i-cache-size = <0x8000>;
 			i-cache-sets = <512>;
@@ -45,6 +46,7 @@
 			compatible = "arm,cortex-a7";
 			reg = <1>;
 			clock-frequency = <1000000000>;
+			power-domains = <&pd_ca7_cpu1>;
 
 			i-cache-size = <0x8000>;
 			i-cache-sets = <512>;
@@ -60,6 +62,7 @@
 
 	L2_CA7: cache-controller@1 {
 		compatible = "cache";
+		power-domains = <&pd_ca7_scu>;
 
 		cache-unified;
 		cache-level = <2>;
@@ -787,6 +790,43 @@
 		};
 	};
 
+	sysc: system-controller@...80000 {
+		compatible = "renesas,sysc-r8a7794", "renesas,sysc-rcar";
+		reg = <0 0xe6180000 0 0x0200>;
+
+		pm-domains {
+			#address-cells = <2>;
+			#size-cells = <0>;
+
+			pd_ca7_scu: scu@21 {
+				reg = <21 0x100>;
+				#address-cells = <2>;
+				#size-cells = <0>;
+				#power-domain-cells = <0>;
+
+				pd_ca7_cpu0: cpu@5 {
+					reg = <5 0x1c0>;
+					#power-domain-cells = <0>;
+				};
+
+				pd_ca7_cpu1: cpu@6 {
+					reg = <6 0x1c0>;
+					#power-domain-cells = <0>;
+				};
+			};
+
+			pd_sh: sh@16 {
+				reg = <16 0x80>;
+				#power-domain-cells = <0>;
+			};
+
+			pd_sgx: sgx@20 {
+				reg = <20 0xc0>;
+				#power-domain-cells = <0>;
+			};
+		};
+	};
+
 	ipmmu_sy0: mmu@...80000 {
 		compatible = "renesas,ipmmu-vmsa";
 		reg = <0 0xe6280000 0 0x1000>;
-- 
1.9.1

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