[PATCH v3 6/6] arm64: dts: cix: add initial CIX P1(SKY1) dts support
From: Peter Chen <peter.chen@cixtech.com>
Date: 2025-02-27 12:06:27
Also in:
linux-devicetree, lkml
Subsystem:
arm and arm64 soc sub-architectures (common parts), arm/cix soc support, the rest · Maintainers:
Arnd Bergmann, Krzysztof Kozlowski, Alexandre Belloni, Linus Walleij, Peter Chen, Fugang Duan, Linus Torvalds
CIX SKY1 SoC is high performance Armv9 SoC designed by Cixtech, and Orion O6 is open source motherboard launched by Radxa. See below for detail: https://docs.radxa.com/en/orion/o6/getting-started/introduction In this commit, it only adds limited components for running initramfs at Orion O6. Acked-by: Fugang Duan <fugang.duan@cixtech.com> Signed-off-by: Peter Chen <peter.chen@cixtech.com> --- Changes for v3: - Fix two dts coding sytle issues arch/arm64/boot/dts/Makefile | 1 + arch/arm64/boot/dts/cix/Makefile | 2 + arch/arm64/boot/dts/cix/sky1-orion-o6.dts | 26 +++ arch/arm64/boot/dts/cix/sky1.dtsi | 216 ++++++++++++++++++++++ 4 files changed, 245 insertions(+) create mode 100644 arch/arm64/boot/dts/cix/Makefile create mode 100644 arch/arm64/boot/dts/cix/sky1-orion-o6.dts create mode 100644 arch/arm64/boot/dts/cix/sky1.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 79b73a21ddc2..8e7ccd0027bd 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile@@ -13,6 +13,7 @@ subdir-y += bitmain subdir-y += blaize subdir-y += broadcom subdir-y += cavium +subdir-y += cix subdir-y += exynos subdir-y += freescale subdir-y += hisilicon
diff --git a/arch/arm64/boot/dts/cix/Makefile b/arch/arm64/boot/dts/cix/Makefile
new file mode 100644
index 000000000000..ed3713982012
--- /dev/null
+++ b/arch/arm64/boot/dts/cix/Makefile@@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_CIX) += sky1-orion-o6.dtb
diff --git a/arch/arm64/boot/dts/cix/sky1-orion-o6.dts b/arch/arm64/boot/dts/cix/sky1-orion-o6.dts
new file mode 100644
index 000000000000..78f4fcd87216
--- /dev/null
+++ b/arch/arm64/boot/dts/cix/sky1-orion-o6.dts@@ -0,0 +1,26 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright 2025 Cix Technology Group Co., Ltd. + * + */ + +/dts-v1/; + +#include "sky1.dtsi" +/ { + model = "Radxa Orion O6"; + compatible = "radxa,orion-o6", "cix,sky1"; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0x0 0x28000000>; + linux,cma-default; + }; + }; +};
diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sky1.dtsi
new file mode 100644
index 000000000000..c6d7a48e9893
--- /dev/null
+++ b/arch/arm64/boot/dts/cix/sky1.dtsi@@ -0,0 +1,216 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright 2025 Cix Technology Group Co., Ltd. + * + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "arm,cortex-a520"; + enable-method = "psci"; + reg = <0x0 0x0>; + device_type = "cpu"; + capacity-dmips-mhz = <403>; + }; + + cpu1: cpu@100 { + compatible = "arm,cortex-a520"; + enable-method = "psci"; + reg = <0x0 0x100>; + device_type = "cpu"; + capacity-dmips-mhz = <403>; + }; + + cpu2: cpu@200 { + compatible = "arm,cortex-a520"; + enable-method = "psci"; + reg = <0x0 0x200>; + device_type = "cpu"; + capacity-dmips-mhz = <403>; + }; + + cpu3: cpu@300 { + compatible = "arm,cortex-a520"; + enable-method = "psci"; + reg = <0x0 0x300>; + device_type = "cpu"; + capacity-dmips-mhz = <403>; + }; + + cpu4: cpu@400 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0x400>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu5: cpu@500 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0x500>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu6: cpu@600 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0x600>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu7: cpu@700 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0x700>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu8: cpu@800 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0x800>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu9: cpu@900 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0x900>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu10: cpu@a00 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0xa00>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu11: cpu@b00 { + compatible = "arm,cortex-a720"; + enable-method = "psci"; + reg = <0x0 0xb00>; + device_type = "cpu"; + capacity-dmips-mhz = <1024>; + }; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + core2 { + cpu = <&cpu2>; + }; + core3 { + cpu = <&cpu3>; + }; + core4 { + cpu = <&cpu4>; + }; + core5 { + cpu = <&cpu5>; + }; + core6 { + cpu = <&cpu6>; + }; + core7 { + cpu = <&cpu7>; + }; + core8 { + cpu = <&cpu8>; + }; + core9 { + cpu = <&cpu9>; + }; + core10 { + cpu = <&cpu10>; + }; + core11 { + cpu = <&cpu11>; + }; + }; + }; + }; + + pmu-a520 { + compatible = "arm,cortex-a520-pmu"; + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>; + }; + + pmu-a720 { + compatible = "arm,cortex-a720-pmu"; + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>; + }; + + pmu-spe { + compatible = "arm,statistical-profiling-extension-v1"; + interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_LOW>; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + soc@0 { + compatible = "simple-bus"; + ranges = <0 0 0 0 0x20 0>; + dma-ranges; + #address-cells = <2>; + #size-cells = <2>; + + gic: interrupt-controller@e010000 { + compatible = "arm,gic-v3"; + reg = <0x0 0x0e010000 0 0x10000>, /* GICD */ + <0x0 0x0e090000 0 0x300000>; /* GICR * 12 */ + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>; + #interrupt-cells = <3>; + interrupt-controller; + #redistributor-regions = <1>; + redistributor-stride = <0 0x40000>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + gic_its: msi-controller@e050000 { + compatible = "arm,gic-v3-its"; + reg = <0x0 0x0e050000 0x0 0x30000>; + msi-controller; + #msi-cells = <1>; + }; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-names = "sec-phys", "phys", "virt", "hyp-phys", "hyp-virt"; + 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>; + clock-frequency = <1000000000>; + arm,no-tick-in-suspend; + }; +};
--
2.25.1