]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
arm64: dts: zena: Add support for Zena CSS
authorDebbie Horsfall <debbie.horsfall@arm.com>
Thu, 12 Feb 2026 11:16:52 +0000 (11:16 +0000)
committerSudeep Holla <sudeep.holla@kernel.org>
Mon, 2 Mar 2026 11:32:53 +0000 (11:32 +0000)
Introduce the Zena CSS Fixed Virtual Platform (FVP) dts. This is
currently the only Zena CSS variant, however the common definitions are
included in a common dtsi for extensibility.

Signed-off-by: Debbie Horsfall <debbie.horsfall@arm.com>
Message-Id: <20260212-zena-css-v2-2-d33ea23cb9c2@arm.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
arch/arm64/boot/dts/arm/Makefile
arch/arm64/boot/dts/arm/zena-css-fvp.dts [new file with mode: 0644]
arch/arm64/boot/dts/arm/zena-css.dtsi [new file with mode: 0644]

index f30ee045dc95935e541a605a7e23f71258413d50..770fb145b4a92e5d75f316092b106262990d50ea 100644 (file)
@@ -8,3 +8,4 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += fvp-base-revc.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += corstone1000-fvp.dtb corstone1000-mps3.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += morello-sdp.dtb morello-fvp.dtb
+dtb-$(CONFIG_ARCH_VEXPRESS) += zena-css-fvp.dtb
diff --git a/arch/arm64/boot/dts/arm/zena-css-fvp.dts b/arch/arm64/boot/dts/arm/zena-css-fvp.dts
new file mode 100644 (file)
index 0000000..b75204a
--- /dev/null
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, Arm Limited. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "zena-css.dtsi"
+
+/ {
+       model = "Zena CSS Fixed Virtual Platform";
+       compatible = "arm,zena-css-fvp", "arm,zena-css", "arm,vexpress";
+
+       chosen {
+               stdout-path = &soc_serial0;
+       };
+};
+
+&soc {
+       virtio@30020000 {
+               compatible = "virtio,mmio";
+               reg = <0x0 0x30020000 0x0 0x10000>;
+               interrupts = <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       virtio@30030000 {
+               compatible = "virtio,mmio";
+               reg = <0x0 0x30030000 0x0 0x10000>;
+               interrupts = <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       virtio@30040000 {
+               compatible = "virtio,mmio";
+               reg = <0x0 0x30040000 0x0 0x10000>;
+               interrupts = <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       virtio@30050000 {
+               compatible = "virtio,mmio";
+               reg = <0x0 0x30050000 0x0 0x10000>;
+               interrupts = <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       virtio@30060000 {
+               compatible = "virtio,mmio";
+               reg = <0x0 0x30060000 0x0 0x10000>;
+               interrupts = <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       virtio@30080000 {
+               compatible = "virtio,mmio";
+               reg = <0x0 0x30080000 0x0 0x10000>;
+               interrupts = <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>;
+       };
+};
diff --git a/arch/arm64/boot/dts/arm/zena-css.dtsi b/arch/arm64/boot/dts/arm/zena-css.dtsi
new file mode 100644 (file)
index 0000000..9899d28
--- /dev/null
@@ -0,0 +1,777 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, Arm Limited. All rights reserved.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+       #address-cells = <2>;
+       #size-cells = <2>;
+       interrupt-parent = <&gic>;
+
+       soc_clk24mhz: clock-24000000 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <24000000>;
+               clock-output-names = "refclk24mhz";
+       };
+
+       cpus {
+               #address-cells = <2>;
+               #size-cells = <0>;
+
+               /*
+                * The latency and residency numbers below are for illustrative
+                * purposes only and may vary on actual silicon. These values are
+                * considered just to demonstrate that the cpuidle governor logic
+                * works.
+                */
+               idle-states {
+                       entry-method = "psci";
+
+                       cpu_sleep: cpu-sleep {
+                               compatible = "arm,idle-state";
+                               arm,psci-suspend-param = <0x10000>;
+                               entry-latency-us = <800>;
+                               exit-latency-us = <3200>;
+                               local-timer-stop;
+                               min-residency-us = <4200>;
+                       };
+
+                       cluster_sleep: cluster-sleep {
+                               compatible = "arm,idle-state";
+                               arm,psci-suspend-param = <0x1010000>;
+                               entry-latency-us = <1000>;
+                               exit-latency-us = <3200>;
+                               local-timer-stop;
+                               min-residency-us = <4500>;
+                       };
+               };
+
+               cpu-map {
+                       cluster0 {
+                               core0 { cpu = <&cpu0>; };
+                               core1 { cpu = <&cpu1>; };
+                               core2 { cpu = <&cpu2>; };
+                               core3 { cpu = <&cpu3>; };
+                       };
+
+                       cluster1 {
+                               core0 { cpu = <&cpu4>; };
+                               core1 { cpu = <&cpu5>; };
+                               core2 { cpu = <&cpu6>; };
+                               core3 { cpu = <&cpu7>; };
+                       };
+
+                       cluster2 {
+                               core0 { cpu = <&cpu8>; };
+                               core1 { cpu = <&cpu9>; };
+                               core2 { cpu = <&cpu10>; };
+                               core3 { cpu = <&cpu11>; };
+                       };
+
+                       cluster3 {
+                               core0 { cpu = <&cpu12>; };
+                               core1 { cpu = <&cpu13>; };
+                               core2 { cpu = <&cpu14>; };
+                               core3 { cpu = <&cpu15>; };
+                       };
+               };
+
+               cpu0: cpu@0 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x0000>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl0_l2_0>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl0_l2_0: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl0_l3>;
+                       };
+               };
+
+               cpu1: cpu@100 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x0100>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl0_l2_1>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl0_l2_1: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl0_l3>;
+                       };
+               };
+
+               cpu2: cpu@200 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x0200>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl0_l2_2>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl0_l2_2: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl0_l3>;
+                       };
+               };
+
+               cpu3: cpu@300 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x0300>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl0_l2_3>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl0_l2_3: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl0_l3>;
+                       };
+               };
+
+               cpu4: cpu@10000 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x10000>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl1_l2_0>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl1_l2_0: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl1_l3>;
+                       };
+               };
+
+               cpu5: cpu@10100 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x10100>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl1_l2_1>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl1_l2_1: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl1_l3>;
+                       };
+               };
+
+               cpu6: cpu@10200 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x10200>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl1_l2_2>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl1_l2_2: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl1_l3>;
+                       };
+               };
+
+               cpu7: cpu@10300 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x10300>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl1_l2_3>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl1_l2_3: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl1_l3>;
+                       };
+               };
+
+               cpu8: cpu@20000 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x20000>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl2_l2_0>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl2_l2_0: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl2_l3>;
+                       };
+               };
+
+               cpu9: cpu@20100 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x20100>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl2_l2_1>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl2_l2_1: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl2_l3>;
+                       };
+               };
+
+               cpu10: cpu@20200 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x20200>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl2_l2_2>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl2_l2_2: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl2_l3>;
+                       };
+               };
+
+               cpu11: cpu@20300 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x20300>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl2_l2_3>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl2_l2_3: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl2_l3>;
+                       };
+               };
+
+               cpu12: cpu@30000 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x30000>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl3_l2_0>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl3_l2_0: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl3_l3>;
+                       };
+               };
+
+               cpu13: cpu@30100 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x30100>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl3_l2_1>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl3_l2_1: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl3_l3>;
+                       };
+               };
+
+               cpu14: cpu@30200 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x30200>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl3_l2_2>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl3_l2_2: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl3_l3>;
+                       };
+               };
+
+               cpu15: cpu@30300 {
+                       compatible = "arm,cortex-a720ae";
+                       device_type = "cpu";
+                       reg = <0x00 0x30300>;
+                       enable-method = "psci";
+
+                       clocks = <&scmi_dvfs 0>;
+                       cpu-idle-states = <&cpu_sleep &cluster_sleep>;
+                       next-level-cache = <&cl3_l2_3>;
+
+                       i-cache-line-size = <64>;
+                       i-cache-sets = <256>;
+                       i-cache-size = <0x10000>;
+
+                       d-cache-line-size = <64>;
+                       d-cache-sets = <256>;
+                       d-cache-size = <0x10000>;
+
+                       cl3_l2_3: l2-cache {
+                               compatible = "cache";
+                               cache-level = <2>;
+                               cache-line-size = <64>;
+                               cache-sets = <0x400>;   /* 8-way set */
+                               cache-size = <0x80000>; /* 512KB */
+                               cache-unified;
+                               next-level-cache = <&cl3_l3>;
+                       };
+               };
+
+               cl0_l3: l3-cache0 {
+                       compatible = "cache";
+                       cache-level = <3>;
+                       cache-line-size = <64>;
+                       cache-sets = <0x1000>;          /* 16-way set */
+                       cache-size = <0x400000>;        /* 4MB */
+                       cache-unified;
+               };
+
+               cl1_l3: l3-cache1 {
+                       compatible = "cache";
+                       cache-level = <3>;
+                       cache-line-size = <64>;
+                       cache-sets = <0x1000>;          /* 16-way set */
+                       cache-size = <0x400000>;        /* 4MB */
+                       cache-unified;
+               };
+
+               cl2_l3: l3-cache2 {
+                       compatible = "cache";
+                       cache-level = <3>;
+                       cache-line-size = <64>;
+                       cache-sets = <0x1000>;          /* 16-way set */
+                       cache-size = <0x400000>;        /* 4MB */
+                       cache-unified;
+               };
+
+               cl3_l3: l3-cache3 {
+                       compatible = "cache";
+                       cache-level = <3>;
+                       cache-line-size = <64>;
+                       cache-sets = <0x1000>;          /* 16-way set */
+                       cache-size = <0x400000>;        /* 4MB */
+                       cache-unified;
+               };
+       };
+
+       firmware {
+               scmi {
+                       compatible = "arm,scmi";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       mbox-names = "tx", "tx_reply", "rx";
+                       mboxes = <&mbox_db_tx 0 0 0>,
+                                <&mbox_db_rx 0 0 0>,
+                                <&mbox_db_rx 0 0 2>;
+                       shmem = <&scmi_shmem_tx &scmi_shmem_rx>;
+
+                       scmi_dvfs: protocol@13 {
+                               reg = <0x13>;
+                               #clock-cells = <1>;
+                       };
+               };
+       };
+
+       dsu-pmu-0 {
+               compatible = "arm,dsu-pmu";
+               cpus = <&cpu0 &cpu1 &cpu2 &cpu3>;
+               interrupts = <GIC_SPI 184 IRQ_TYPE_EDGE_RISING>;
+       };
+
+       dsu-pmu-1 {
+               compatible = "arm,dsu-pmu";
+               cpus = <&cpu4 &cpu5 &cpu6 &cpu7>;
+               interrupts = <GIC_SPI 185 IRQ_TYPE_EDGE_RISING>;
+       };
+
+       dsu-pmu-2 {
+               compatible = "arm,dsu-pmu";
+               cpus = <&cpu8 &cpu9 &cpu10 &cpu11>;
+               interrupts = <GIC_SPI 186 IRQ_TYPE_EDGE_RISING>;
+       };
+
+       dsu-pmu-3 {
+               compatible = "arm,dsu-pmu";
+               cpus = <&cpu12 &cpu13 &cpu14 &cpu15>;
+               interrupts = <GIC_SPI 187 IRQ_TYPE_EDGE_RISING>;
+       };
+
+       psci {
+               compatible = "arm,psci-1.0", "arm,psci-0.2";
+               method = "smc";
+       };
+
+       soc: soc {
+               compatible = "simple-bus";
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               timer@1a810000 {
+                       compatible = "arm,armv7-timer-mem";
+                       reg = <0x0 0x1a810000 0x0 0x10000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       /*
+                        * Map child space [0x0..0x30000) to parent @ 0x1a810000
+                        */
+                       ranges = <0x0 0x0 0x1a810000 0x00030000>;
+
+                       frame@20000 {
+                               reg = <0x20000 0x10000>;
+                               frame-number = <0>;
+                               interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+                       };
+               };
+
+               gic: interrupt-controller@20800000 {
+                       compatible = "arm,gic-v3";
+                       #interrupt-cells = <3>;
+                       #address-cells = <2>;
+                       #size-cells = <2>;
+                       #redistributor-regions = <16>;
+                       interrupt-controller;
+                       interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+                       ranges;
+
+                       /*
+                        * With GIC-A720AE multiview enabled, GICR_TYPER.Last is
+                        * always reported as 1 on redistributor views other than
+                        * view 0. This breaks discovery of a single contiguous
+                        * GICR frame region, so each core is described with its own
+                        * redistributor region.
+                        */
+                       reg = <0x0 0x20800000 0x0 0x10000>,     /* GICD */
+                             <0x0 0x20880000 0x0 0x40000>,     /* 16 * GICR */
+                             <0x0 0x208c0000 0x0 0x40000>,
+                             <0x0 0x20900000 0x0 0x40000>,
+                             <0x0 0x20940000 0x0 0x40000>,
+                             <0x0 0x20980000 0x0 0x40000>,
+                             <0x0 0x209c0000 0x0 0x40000>,
+                             <0x0 0x20a00000 0x0 0x40000>,
+                             <0x0 0x20a40000 0x0 0x40000>,
+                             <0x0 0x20a80000 0x0 0x40000>,
+                             <0x0 0x20ac0000 0x0 0x40000>,
+                             <0x0 0x20b00000 0x0 0x40000>,
+                             <0x0 0x20b40000 0x0 0x40000>,
+                             <0x0 0x20b80000 0x0 0x40000>,
+                             <0x0 0x20bc0000 0x0 0x40000>,
+                             <0x0 0x20c00000 0x0 0x40000>,
+                             <0x0 0x20c40000 0x0 0x40000>;
+
+                       its: msi-controller@20840000 {
+                               compatible = "arm,gic-v3-its";
+                               reg = <0x0 0x20840000 0x0 0x40000>;
+                               msi-controller;
+                               #msi-cells = <1>;
+                       };
+               };
+
+               /*
+                * UART is fixed at 24MHz, both UARTCLK and PCLK.
+                */
+               soc_serial0: serial@1a400000 {
+                       compatible = "arm,pl011", "arm,primecell";
+                       reg = <0x0 0x1a400000 0x0 0x10000>;
+                       interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&soc_clk24mhz>, <&soc_clk24mhz>;
+                       clock-names = "uartclk", "apb_pclk";
+               };
+
+               watchdog@1a420000 {
+                       compatible = "arm,sbsa-gwdt";
+                       reg = <0x0 0x1a420000 0x0 0x10000>,
+                             <0x0 0x1a430000 0x0 0x10000>;
+                       interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+               };
+
+               rtc@300d0000 {
+                       compatible = "arm,pl031", "arm,primecell";
+                       reg = <0x0 0x300d0000 0x0 0x10000>;
+                       interrupts = <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&soc_clk24mhz>;
+                       clock-names = "apb_pclk";
+               };
+
+               mbox_db_tx: mailbox@40020000 {
+                       compatible = "arm,mhuv3";
+                       reg = <0x0 0x40020000 0x0 0x30000>;
+                       interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "combined";
+                       clocks = <&soc_clk24mhz>;
+                       #mbox-cells = <3>;
+               };
+
+               mbox_db_rx: mailbox@40060000 {
+                       compatible = "arm,mhuv3";
+                       reg = <0x0 0x40060000 0x0 0x30000>;
+                       interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "combined";
+                       clocks = <&soc_clk24mhz>;
+                       #mbox-cells = <3>;
+               };
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>;
+       };
+
+       sram: sram@104000 {
+               compatible = "mmio-sram";
+               reg = <0x0 0x00104000 0x0 0x00001000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges = <0 0x0 0x00104000 0x00001000>;
+
+               scmi_shmem_tx: scpshmem-sram-section@0 {
+                       compatible = "arm,scmi-shmem";
+                       reg = <0x0 0x100>;
+               };
+
+               scmi_shmem_rx: scpshmem-sram-section@100 {
+                       compatible = "arm,scmi-shmem";
+                       reg = <0x100 0x100>;
+               };
+       };
+
+       memory@80000000 {
+               device_type = "memory";
+
+               /* ~2GB mapped at 2GB, another 2GB at 2TB */
+               reg = <0x00000000 0x80000000 0x00000000 0x7f000000>,
+                     <0x00000200 0x00000000 0x00000000 0x80000000>;
+       };
+};