Patchwork [08/34] ARM: dts: r8a7744: Add SMP support

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Submitter Simon Horman
Date Dec. 6, 2018, 9:58 p.m.
Message ID <f1546da8a5c8862d1e66835affcfaf9a0c123abc.1544125558.git.horms+renesas@verge.net.au>
Download mbox | patch
Permalink /patch/674629/
State New
Headers show

Comments

Simon Horman - Dec. 6, 2018, 9:58 p.m.
From: Biju Das <biju.das@bp.renesas.com>

Add DT node for the Advanced Power Management Unit (APMU), add the
second CPU core, and use "renesas,apmu" as "enable-method".

Also add cpu1 phandle node to the PMU interrupt-affinity property.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/boot/dts/r8a7744.dtsi | 38 ++++++++++++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 6 deletions(-)

Patch

diff --git a/arch/arm/boot/dts/r8a7744.dtsi b/arch/arm/boot/dts/r8a7744.dtsi
index 4d4ddbaba456..2cb6d8fa2fa0 100644
--- a/arch/arm/boot/dts/r8a7744.dtsi
+++ b/arch/arm/boot/dts/r8a7744.dtsi
@@ -49,6 +49,7 @@ 
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "renesas,apmu";
 
 		cpu0: cpu@0 {
 			device_type = "cpu";
@@ -69,6 +70,25 @@ 
 					   < 375000 1000000>;
 		};
 
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a15";
+			reg = <1>;
+			clock-frequency = <1500000000>;
+			clocks = <&cpg CPG_CORE R8A7744_CLK_Z>;
+			clock-latency = <300000>; /* 300 us */
+			power-domains = <&sysc R8A7744_PD_CA15_CPU1>;
+			next-level-cache = <&L2_CA15>;
+
+			/* kHz - uV - OPPs unknown yet */
+			operating-points = <1500000 1000000>,
+					   <1312500 1000000>,
+					   <1125000 1000000>,
+					   < 937500 1000000>,
+					   < 750000 1000000>,
+					   < 375000 1000000>;
+		};
+
 		L2_CA15: cache-controller-0 {
 			compatible = "cache";
 			cache-unified;
@@ -96,7 +116,7 @@ 
 		compatible = "arm,cortex-a15-pmu";
 		interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
 				      <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-affinity = <&cpu0>;
+		interrupt-affinity = <&cpu0>, <&cpu1>;
 	};
 
 	/* External SCIF clock */
@@ -250,6 +270,12 @@ 
 			#reset-cells = <1>;
 		};
 
+		apmu@e6152000 {
+			compatible = "renesas,r8a7744-apmu", "renesas,apmu";
+			reg = <0 0xe6152000 0 0x188>;
+			cpus = <&cpu0 &cpu1>;
+		};
+
 		rst: reset-controller@e6160000 {
 			compatible = "renesas,r8a7744-rst";
 			reg = <0 0xe6160000 0 0x100>;
@@ -483,7 +509,7 @@ 
 			interrupt-controller;
 			reg = <0 0xf1001000 0 0x1000>, <0 0xf1002000 0 0x2000>,
 			      <0 0xf1004000 0 0x2000>, <0 0xf1006000 0 0x2000>;
-			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
 			clocks = <&cpg CPG_MOD 408>;
 			clock-names = "clk";
 			power-domains = <&sysc R8A7744_PD_ALWAYS_ON>;
@@ -520,10 +546,10 @@ 
 
 	timer {
 		compatible = "arm,armv7-timer";
-		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-				      <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-				      <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-				      <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
+		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
 	};
 
 	/* External USB clock - can be overridden by the board */