[PATCH v3 5/7] arm64: dts: axiado: Add initial support for AX3000 SoC and eval board
From: Harshit Shah <hidden>
Date: 2025-06-23 17:28:44
Also in:
linux-devicetree, linux-gpio, lkml
Subsystem:
arm and arm64 soc sub-architectures (common parts), arm/axiado architecture, the rest · Maintainers:
Arnd Bergmann, Krzysztof Kozlowski, Alexandre Belloni, Linus Walleij, Prasad Bolisetty, Tzu-Hao Wei, Karthikeyan Mitran, Linus Torvalds
Add initial device tree support for the AX3000 SoC and its evaluation platform. The AX3000 is a multi-core SoC featuring 4 Cortex-A53 cores, Secure Vault, AI Engine and Firewall. This commit adds support for Cortex-A53 CPUs, timer, UARTs, and I3C controllers on the AX3000 evaluation board. Signed-off-by: Harshit Shah <redacted> --- arch/arm64/boot/dts/Makefile | 1 + arch/arm64/boot/dts/axiado/Makefile | 2 + arch/arm64/boot/dts/axiado/ax3000-evk.dts | 79 +++++ arch/arm64/boot/dts/axiado/ax3000.dtsi | 488 ++++++++++++++++++++++++++++++ 4 files changed, 570 insertions(+)
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 79b73a21ddc22b17308554e502f8207392935b45..47dd8a1a7960d179ee28969a1d6750bfa0d73da1 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile@@ -9,6 +9,7 @@ subdir-y += amlogic subdir-y += apm subdir-y += apple subdir-y += arm +subdir-y += axiado subdir-y += bitmain subdir-y += blaize subdir-y += broadcom
diff --git a/arch/arm64/boot/dts/axiado/Makefile b/arch/arm64/boot/dts/axiado/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..6676ad07db6129f8b333b0feffee705d272517c2
--- /dev/null
+++ b/arch/arm64/boot/dts/axiado/Makefile@@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_AXIADO) += ax3000-evk.dtb
diff --git a/arch/arm64/boot/dts/axiado/ax3000-evk.dts b/arch/arm64/boot/dts/axiado/ax3000-evk.dts
new file mode 100644
index 0000000000000000000000000000000000000000..cc3bcf681c32430d251f20f6d52905423c182f3b
--- /dev/null
+++ b/arch/arm64/boot/dts/axiado/ax3000-evk.dts@@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021-25 Axiado Corporation (or its affiliates). All rights reserved. + */ + +/dts-v1/; + +#include "ax3000.dtsi" + +/ { + model = "Axiado AX3000 EVK"; + compatible = "axiado,ax3000-evk", "axiado,ax3000"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial3 = &uart3; + }; + + chosen { + stdout-path = "serial3:115200"; + }; + + memory@0 { + device_type = "memory"; + /* Cortex-A53 will use following memory map */ + reg = <0x00000000 0x3D000000 0x00000000 0x23000000>, + <0x00000004 0x00000000 0x00000000 0x80000000>; + }; +}; + +/* GPIO bank 0 - 7 */ +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&gpio2 { + status = "okay"; +}; + +&gpio3 { + status = "okay"; +}; + +&gpio4 { + status = "okay"; +}; + +&gpio5 { + status = "okay"; +}; + +&gpio6 { + status = "okay"; +}; + +&gpio7 { + status = "okay"; +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&uart2 { + status = "okay"; +}; + +&uart3 { + status = "okay"; +};
diff --git a/arch/arm64/boot/dts/axiado/ax3000.dtsi b/arch/arm64/boot/dts/axiado/ax3000.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..ea85ae8ca5dea5ab3288a2770b18d7aeb66cad03
--- /dev/null
+++ b/arch/arm64/boot/dts/axiado/ax3000.dtsi@@ -0,0 +1,488 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021-25 Axiado Corporation (or its affiliates). All rights reserved. + */ + +/dts-v1/; + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/memreserve/ 0x3c0013a0 0x00000008; /* cpu-release-addr */ +/ { + model = "Axiado AX3000"; + interrupt-parent = <&gic500>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0 0x0>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x3c0013a0>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + next-level-cache = <&l2>; + }; + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0 0x1>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x3c0013a0>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + next-level-cache = <&l2>; + }; + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0 0x2>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x3c0013a0>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + next-level-cache = <&l2>; + }; + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0 0x3>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0x3c0013a0>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + next-level-cache = <&l2>; + }; + l2: l2-cache0 { + compatible = "cache"; + cache-size = <0x100000>; + cache-unified; + cache-line-size = <64>; + cache-sets = <1024>; + cache-level = <2>; + }; + }; + + clocks { + clk_xin: clock-200000000 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; + clock-output-names = "clk_xin"; + }; + refclk: clock-125000000 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <125000000>; + }; + }; + + soc { + compatible = "simple-bus"; + ranges; + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&gic500>; + + gic500: interrupt-controller@80300000 { + compatible = "arm,gic-v3"; + reg = <0x00 0x80300000 0x00 0x10000>, + <0x00 0x80380000 0x00 0x80000>; + ranges; + #interrupt-cells = <3>; + #address-cells = <2>; + #size-cells = <2>; + interrupt-controller; + #redistributor-regions = <1>; + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; + }; + + /* GPIO Controller banks 0 - 7 */ + gpio0: gpio-controller@80500000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80500000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio1: gpio-controller@80580000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80580000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio2: gpio-controller@80600000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80600000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio3: gpio-controller@80680000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80680000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio4: gpio-controller@80700000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80700000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio5: gpio-controller@80780000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80780000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio6: gpio-controller@80800000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80800000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + gpio7: gpio-controller@80880000 { + compatible = "cdns,gpio-r1p02"; + reg = <0x00 0x80880000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + /* I3C Controller 0 - 16 */ + i3c0: i3c@80500400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80500400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c1: i3c@80500800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80500800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c2: i3c@80580400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80580400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c3: i3c@80580800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80580800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c4: i3c@80600400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80600400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c5: i3c@80600800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80600800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c6: i3c@80680400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80680400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c7: i3c@80680800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80680800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c8: i3c@80700400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80700400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c9: i3c@80700800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80700800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c10: i3c@80780400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80780400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c11: i3c@80780800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80780800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c12: i3c@80800400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80800400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c13: i3c@80800800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80800800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c14: i3c@80880400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80880400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c15: i3c@80880800 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80880800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + i3c16: i3c@80620400 { + compatible = "cdns,i3c-master"; + reg = <0x00 0x80620400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + uart0: serial@80520000 { + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; + reg = <0x00 0x80520000 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + uart1: serial@805a0000 { + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; + reg = <0x00 0x805A0000 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + uart2: serial@80620000 { + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; + reg = <0x00 0x80620000 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + uart3: serial@80520800 { + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; + reg = <0x00 0x80520800 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic500>; + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>; + }; +};
--
2.25.1