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Date: Thu, 14 May 2015 14:10:06 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc: Chen-Yu Tsai <wens@...e.org>,
Nicolas Pitre <nicolas.pitre@...aro.org>,
Dave Martin <Dave.Martin@....com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-sunxi@...glegroups.com
Subject: [RFC 2/7] ARM: dts: sun9i: Add CCI-400 device nodes for A80
The A80 includes an ARM CCI-400 interconnect to support multi-cluster
CPU caches.
Also add the default clock frequency for the CPUs.
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
arch/arm/boot/dts/sun9i-a80.dtsi | 46 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index ca272e92b85d..200e712fbf0e 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -58,48 +58,64 @@
cpu0: cpu@0 {
compatible = "arm,cortex-a7";
device_type = "cpu";
+ cci-control-port = <&cci_control0>;
+ clock-frequency = <12000000>;
reg = <0x0>;
};
cpu1: cpu@1 {
compatible = "arm,cortex-a7";
device_type = "cpu";
+ cci-control-port = <&cci_control0>;
+ clock-frequency = <12000000>;
reg = <0x1>;
};
cpu2: cpu@2 {
compatible = "arm,cortex-a7";
device_type = "cpu";
+ cci-control-port = <&cci_control0>;
+ clock-frequency = <12000000>;
reg = <0x2>;
};
cpu3: cpu@3 {
compatible = "arm,cortex-a7";
device_type = "cpu";
+ cci-control-port = <&cci_control0>;
+ clock-frequency = <12000000>;
reg = <0x3>;
};
cpu4: cpu@100 {
compatible = "arm,cortex-a15";
device_type = "cpu";
+ cci-control-port = <&cci_control1>;
+ clock-frequency = <9000000>;
reg = <0x100>;
};
cpu5: cpu@101 {
compatible = "arm,cortex-a15";
device_type = "cpu";
+ cci-control-port = <&cci_control1>;
+ clock-frequency = <9000000>;
reg = <0x101>;
};
cpu6: cpu@102 {
compatible = "arm,cortex-a15";
device_type = "cpu";
+ cci-control-port = <&cci_control1>;
+ clock-frequency = <9000000>;
reg = <0x102>;
};
cpu7: cpu@103 {
compatible = "arm,cortex-a15";
device_type = "cpu";
+ cci-control-port = <&cci_control1>;
+ clock-frequency = <9000000>;
reg = <0x103>;
};
};
@@ -522,6 +538,36 @@
interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
};
+ cci: cci@...90000 {
+ compatible = "arm,cci-400";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x01c90000 0x1000>;
+ ranges = <0x0 0x01c90000 0x10000>;
+
+ cci_control0: slave-if@...0 {
+ compatible = "arm,cci-400-ctrl-if";
+ interface-type = "ace";
+ reg = <0x4000 0x1000>;
+ };
+
+ cci_control1: slave-if@...0 {
+ compatible = "arm,cci-400-ctrl-if";
+ interface-type = "ace";
+ reg = <0x5000 0x1000>;
+ };
+
+ pmu@...0 {
+ compatible = "arm,cci-400-pmu,r1";
+ reg = <0x9000 0x5000>;
+ interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
ahb0_resets: reset@...005a0 {
#reset-cells = <1>;
compatible = "allwinner,sun6i-a31-clock-reset";
--
2.1.4
--
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