arm64: dts: Add support for Juno r2 board

Juno r2 is identical to Juno r1 with Cortex A57 cores replaced by
Cortex A72 cores.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards
index 1a709970e7f7826aba3de7847fcf964389e237e3..70601a58c433e418df30d1de99c41abbb19d3a25 100644 (file)
--- a/Documentation/devicetree/bindings/arm/arm-boards
+++ b/Documentation/devicetree/bindings/arm/arm-boards
@@ -180,6 +180,7 @@ described under the RS1 memory mapping.
 Required properties (in root node):
        compatible = "arm,juno";        /* For Juno r0 board */
        compatible = "arm,juno-r1";     /* For Juno r1 board */
+       compatible = "arm,juno-r2";     /* For Juno r2 board */
 
 Required nodes:
 The description for the board must include:

diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile
index 46d342d0d435fb336e21bc18c9de8de17f8b8e52..75cc2aa101013adbb4108738a4dc30778e834ab6 100644 (file)
--- a/arch/arm64/boot/dts/arm/Makefile
+++ b/arch/arm64/boot/dts/arm/Makefile
@@ -1,5 +1,5 @@
 dtb-$(CONFIG_ARCH_VEXPRESS) += foundation-v8.dtb foundation-v8-gicv3.dtb
-dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb
+dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb
 

diff --git a/arch/arm64/boot/dts/arm/juno-r2.dts b/arch/arm64/boot/dts/arm/juno-r2.dts
new file mode 100644 (file)
index 0000000..88ecd61
--- /dev/null
+++ b/arch/arm64/boot/dts/arm/juno-r2.dts
@@ -0,0 +1,183 @@
+/*
+ * ARM Ltd. Juno Platform
+ *
+ * Copyright (c) 2015 ARM Ltd.
+ *
+ * This file is licensed under a dual GPLv2 or BSD license.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+       model = "ARM Juno development board (r2)";
+       compatible = "arm,juno-r2", "arm,juno", "arm,vexpress";
+       interrupt-parent = <&gic>;
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       aliases {
+               serial0 = &soc_uart0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       psci {
+               compatible = "arm,psci-0.2";
+               method = "smc";
+       };
+
+       cpus {
+               #address-cells = <2>;
+               #size-cells = <0>;
+
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&A72_0>;
+                               };
+                               core1 {
+                                       cpu = <&A72_1>;
+                               };
+                       };
+
+                       cluster1 {
+                               core0 {
+                                       cpu = <&A53_0>;
+                               };
+                               core1 {
+                                       cpu = <&A53_1>;
+                               };
+                               core2 {
+                                       cpu = <&A53_2>;
+                               };
+                               core3 {
+                                       cpu = <&A53_3>;
+                               };
+                       };
+               };
+
+               idle-states {
+                       entry-method = "arm,psci";
+
+                       CPU_SLEEP_0: cpu-sleep-0 {
+                               compatible = "arm,idle-state";
+                               arm,psci-suspend-param = <0x0010000>;
+                               local-timer-stop;
+                               entry-latency-us = <300>;
+                               exit-latency-us = <1200>;
+                               min-residency-us = <2000>;
+                       };
+
+                       CLUSTER_SLEEP_0: cluster-sleep-0 {
+                               compatible = "arm,idle-state";
+                               arm,psci-suspend-param = <0x1010000>;
+                               local-timer-stop;
+                               entry-latency-us = <300>;
+                               exit-latency-us = <1200>;
+                               min-residency-us = <2500>;
+                       };
+               };
+
+               A72_0: cpu@0 {
+                       compatible = "arm,cortex-a72","arm,armv8";
+                       reg = <0x0 0x0>;
+                       device_type = "cpu";
+                       enable-method = "psci";
+                       next-level-cache = <&A72_L2>;
+                       clocks = <&scpi_dvfs 0>;
+                       cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+               };
+
+               A72_1: cpu@1 {
+                       compatible = "arm,cortex-a72","arm,armv8";
+                       reg = <0x0 0x1>;
+                       device_type = "cpu";
+                       enable-method = "psci";
+                       next-level-cache = <&A72_L2>;
+                       clocks = <&scpi_dvfs 0>;
+                       cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+               };
+
+               A53_0: cpu@100 {
+                       compatible = "arm,cortex-a53","arm,armv8";
+                       reg = <0x0 0x100>;
+                       device_type = "cpu";
+                       enable-method = "psci";
+                       next-level-cache = <&A53_L2>;
+                       clocks = <&scpi_dvfs 1>;
+                       cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+               };
+
+               A53_1: cpu@101 {
+                       compatible = "arm,cortex-a53","arm,armv8";
+                       reg = <0x0 0x101>;
+                       device_type = "cpu";
+                       enable-method = "psci";
+                       next-level-cache = <&A53_L2>;
+                       clocks = <&scpi_dvfs 1>;
+                       cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+               };
+
+               A53_2: cpu@102 {
+                       compatible = "arm,cortex-a53","arm,armv8";
+                       reg = <0x0 0x102>;
+                       device_type = "cpu";
+                       enable-method = "psci";
+                       next-level-cache = <&A53_L2>;
+                       clocks = <&scpi_dvfs 1>;
+                       cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+               };
+
+               A53_3: cpu@103 {
+                       compatible = "arm,cortex-a53","arm,armv8";
+                       reg = <0x0 0x103>;
+                       device_type = "cpu";
+                       enable-method = "psci";
+                       next-level-cache = <&A53_L2>;
+                       clocks = <&scpi_dvfs 1>;
+                       cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+               };
+
+               A72_L2: l2-cache0 {
+                       compatible = "cache";
+               };
+
+               A53_L2: l2-cache1 {
+                       compatible = "cache";
+               };
+       };
+
+       pmu_a72 {
+               compatible = "arm,cortex-a72-pmu";
+               interrupts = <GIC_SPI 02 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 06 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-affinity = <&A72_0>,
+                                    <&A72_1>;
+       };
+
+       pmu_a53 {
+               compatible = "arm,cortex-a53-pmu";
+               interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-affinity = <&A53_0>,
+                                    <&A53_1>,
+                                    <&A53_2>,
+                                    <&A53_3>;
+       };
+
+       #include "juno-base.dtsi"
+};
+
+&memtimer {
+       status = "okay";
+};
+
+&pcie_ctlr {
+       status = "okay";
+};