From ffab86698c260414bc4218e7c89dc0531d5dd159 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:29 -0700 Subject: [PATCH 01/10] dt-bindings: vendor-prefixes: Add Axiado Corporation Link: https://axiado.com Acked-by: Rob Herring (Arm) Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 5d2a7a8d3ac6..5ada930c79e3 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -200,6 +200,8 @@ patternProperties: description: Shanghai Awinic Technology Co., Ltd. "^axentia,.*": description: Axentia Technologies AB + "^axiado,.*": + description: Axiado Corporation "^axis,.*": description: Axis Communications AB "^azoteq,.*": From c1fbbb76ecc9bea01962876c60a5e1c55d82714e Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:30 -0700 Subject: [PATCH 02/10] dt-bindings: arm: axiado: add AX3000 EVK compatible strings Add device tree binding schema for Axiado platforms, specifically the AX3000 SoC and its associated evaluation board. This binding will be used for the board-level DTS files that support the AX3000 platforms. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- .../devicetree/bindings/arm/axiado.yaml | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/axiado.yaml diff --git a/Documentation/devicetree/bindings/arm/axiado.yaml b/Documentation/devicetree/bindings/arm/axiado.yaml new file mode 100644 index 000000000000..bfabe7b32e65 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/axiado.yaml @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/axiado.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Axiado Platforms + +maintainers: + - Harshit Shah + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: AX3000 based boards + items: + - enum: + - axiado,ax3000-evk # Axiado AX3000 Evaluation Board + - const: axiado,ax3000 # Axiado AX3000 SoC + +additionalProperties: true From 36f42234497845bfa45ca13e8a683dbffaa09a83 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:31 -0700 Subject: [PATCH 03/10] dt-bindings: gpio: cdns: convert to YAML Convert Cadence family GPIO controller bindings to DT schema. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- .../devicetree/bindings/gpio/cdns,gpio.txt | 43 ---------- .../devicetree/bindings/gpio/cdns,gpio.yaml | 79 +++++++++++++++++++ 2 files changed, 79 insertions(+), 43 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/cdns,gpio.txt create mode 100644 Documentation/devicetree/bindings/gpio/cdns,gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/cdns,gpio.txt b/Documentation/devicetree/bindings/gpio/cdns,gpio.txt deleted file mode 100644 index 706ef00f5c64..000000000000 --- a/Documentation/devicetree/bindings/gpio/cdns,gpio.txt +++ /dev/null @@ -1,43 +0,0 @@ -Cadence GPIO controller bindings - -Required properties: -- compatible: should be "cdns,gpio-r1p02". -- reg: the register base address and size. -- #gpio-cells: should be 2. - * first cell is the GPIO number. - * second cell specifies the GPIO flags, as defined in - . Only the GPIO_ACTIVE_HIGH - and GPIO_ACTIVE_LOW flags are supported. -- gpio-controller: marks the device as a GPIO controller. -- clocks: should contain one entry referencing the peripheral clock driving - the GPIO controller. - -Optional properties: -- ngpios: integer number of gpio lines supported by this controller, up to 32. -- interrupts: interrupt specifier for the controllers interrupt. -- interrupt-controller: marks the device as an interrupt controller. When - defined, interrupts, interrupt-parent and #interrupt-cells - are required. -- interrupt-cells: should be 2. - * first cell is the GPIO number you want to use as an IRQ source. - * second cell specifies the IRQ type, as defined in - . - Currently only level sensitive IRQs are supported. - - -Example: - gpio0: gpio-controller@fd060000 { - compatible = "cdns,gpio-r1p02"; - reg =<0xfd060000 0x1000>; - - clocks = <&gpio_clk>; - - interrupt-parent = <&gic>; - interrupts = <0 5 IRQ_TYPE_LEVEL_HIGH>; - - gpio-controller; - #gpio-cells = <2>; - - interrupt-controller; - #interrupt-cells = <2>; - }; diff --git a/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml b/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml new file mode 100644 index 000000000000..f1a64c173665 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/cdns,gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence GPIO Controller + +maintainers: + - Jan Kotas + +properties: + compatible: + const: cdns,gpio-r1p02 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + ngpios: + minimum: 1 + maximum: 32 + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + - First cell is the GPIO line number. + - Second cell is flags as defined in , + only GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW supported. + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + description: | + - First cell is the GPIO line number used as IRQ. + - Second cell is the trigger type, as defined in + . + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - gpio-controller + - "#gpio-cells" + +if: + required: [interrupt-controller] +then: + required: + - interrupts + +additionalProperties: false + +examples: + - | + #include + #include + gpio0: gpio-controller@fd060000 { + compatible = "cdns,gpio-r1p02"; + reg = <0xfd060000 0x1000>; + clocks = <&gpio_clk>; + + interrupt-parent = <&gic>; + interrupts = ; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; From 4c5250ebc3e4ae49934069968beffbfaa83fb734 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:32 -0700 Subject: [PATCH 04/10] dt-bindings: gpio: cdns: add Axiado AX3000 GPIO variant Add binding for Axiado AX3000 GPIO controller. So far, no changes are known, so it can fallback to default compatible. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- Documentation/devicetree/bindings/gpio/cdns,gpio.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml b/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml index f1a64c173665..a84d60b39459 100644 --- a/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml +++ b/Documentation/devicetree/bindings/gpio/cdns,gpio.yaml @@ -11,7 +11,12 @@ maintainers: properties: compatible: - const: cdns,gpio-r1p02 + oneOf: + - const: cdns,gpio-r1p02 + - items: + - enum: + - axiado,ax3000-gpio + - const: cdns,gpio-r1p02 reg: maxItems: 1 From 7346be495b9ad23077d8fbfd953f341c92027067 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:33 -0700 Subject: [PATCH 05/10] dt-bindings: serial: cdns: add Axiado AX3000 UART controller Add binding for AX3000 UART controller. So far, no changes known, so it can fallback to default compatible. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- Documentation/devicetree/bindings/serial/cdns,uart.yaml | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml index d7f047b0bf24..9d3e5c1d8502 100644 --- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml +++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml @@ -16,9 +16,10 @@ properties: items: - const: xlnx,xuartps - const: cdns,uart-r1p8 - - description: UART controller for Zynq Ultrascale+ MPSoC - items: - - const: xlnx,zynqmp-uart + - items: + - enum: + - axiado,ax3000-uart + - xlnx,zynqmp-uart - const: cdns,uart-r1p12 reg: From 678fefdfe9de73e8043b971a217436f82d93f6e8 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:34 -0700 Subject: [PATCH 06/10] dt-bindings: i3c: cdns: add Axiado AX3000 I3C controller Add binding for AX3000 I3C controller. So far, no changes known, so it can fallback to default compatible. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml index cad6d53d0e2e..6fa3078074d0 100644 --- a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml +++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml @@ -14,7 +14,12 @@ allOf: properties: compatible: - const: cdns,i3c-master + oneOf: + - const: cdns,i3c-master + - items: + - enum: + - axiado,ax3000-i3c + - const: cdns,i3c-master reg: maxItems: 1 From 729b770bb454b1adf59fdada6c901cd61c413ce6 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:35 -0700 Subject: [PATCH 07/10] arm64: add Axiado SoC family Add ARCH_AXIADO for the support of the Axiado SoC for arm64 architecture. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- arch/arm64/Kconfig.platforms | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index a541bb029aa4..e998e1aff0fe 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -40,6 +40,12 @@ config ARCH_APPLE This enables support for Apple's in-house ARM SoC family, such as the Apple M1. +config ARCH_AXIADO + bool "Axiado SoC Family" + select GPIOLIB + help + This enables support for Axiado SoC family like AX3000 + menuconfig ARCH_BCM bool "Broadcom SoC Support" From 1f70557790011fbf6f6ba4dd85910e427e12d2f8 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:36 -0700 Subject: [PATCH 08/10] arm64: dts: axiado: Add initial support for AX3000 SoC and eval board 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. It adds support for Cortex-A53 CPUs, timer, UARTs, and I3C controllers on the AX3000 evaluation board. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- 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 | 520 ++++++++++++++++++++++ 4 files changed, 602 insertions(+) create mode 100644 arch/arm64/boot/dts/axiado/Makefile create mode 100644 arch/arm64/boot/dts/axiado/ax3000-evk.dts create mode 100644 arch/arm64/boot/dts/axiado/ax3000.dtsi diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 79b73a21ddc2..47dd8a1a7960 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 000000000000..6676ad07db61 --- /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 000000000000..92101c5b534b --- /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 000000000000..792f52e0c7dd --- /dev/null +++ b/arch/arm64/boot/dts/axiado/ax3000.dtsi @@ -0,0 +1,520 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021-25 Axiado Corporation (or its affiliates). All rights reserved. + */ + +/dts-v1/; + +#include +#include + +/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 = ; + }; + + /* GPIO Controller banks 0 - 7 */ + gpio0: gpio-controller@80500000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80500000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio1: gpio-controller@80580000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80580000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio2: gpio-controller@80600000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80600000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio3: gpio-controller@80680000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80680000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio4: gpio-controller@80700000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80700000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio5: gpio-controller@80780000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80780000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio6: gpio-controller@80800000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80800000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + gpio7: gpio-controller@80880000 { + compatible = "axiado,ax3000-gpio", "cdns,gpio-r1p02"; + reg = <0x00 0x80880000 0x00 0x400>; + clocks = <&refclk>; + interrupt-parent = <&gic500>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + + /* I3C Controller 0 - 16 */ + i3c0: i3c@80500400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80500400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c1: i3c@80500800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80500800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c2: i3c@80580400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80580400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c3: i3c@80580800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80580800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c4: i3c@80600400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80600400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c5: i3c@80600800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80600800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c6: i3c@80680400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80680400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c7: i3c@80680800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80680800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c8: i3c@80700400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80700400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c9: i3c@80700800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80700800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c10: i3c@80780400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80780400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c11: i3c@80780800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80780800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c12: i3c@80800400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80800400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c13: i3c@80800800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80800800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c14: i3c@80880400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80880400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c15: i3c@80880800 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80880800 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + i3c16: i3c@80620400 { + compatible = "axiado,ax3000-i3c", "cdns,i3c-master"; + reg = <0x00 0x80620400 0x00 0x400>; + clocks = <&refclk &clk_xin>; + clock-names = "pclk", "sysclk"; + interrupt-parent = <&gic500>; + interrupts = ; + i2c-scl-hz = <100000>; + i3c-scl-hz = <400000>; + #address-cells = <3>; + #size-cells = <0>; + status = "disabled"; + }; + + uart0: serial@80520000 { + compatible = "axiado,ax3000-uart", "cdns,uart-r1p12"; + reg = <0x00 0x80520000 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = ; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + + uart1: serial@805a0000 { + compatible = "axiado,ax3000-uart", "cdns,uart-r1p12"; + reg = <0x00 0x805A0000 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = ; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + + uart2: serial@80620000 { + compatible = "axiado,ax3000-uart", "cdns,uart-r1p12"; + reg = <0x00 0x80620000 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = ; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + + uart3: serial@80520800 { + compatible = "axiado,ax3000-uart", "cdns,uart-r1p12"; + reg = <0x00 0x80520800 0x00 0x100>; + interrupt-parent = <&gic500>; + interrupts = ; + clock-names = "uart_clk", "pclk"; + clocks = <&refclk &refclk>; + status = "disabled"; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic500>; + interrupts = , + , + , + ; + }; +}; From 525f46c7e3b7eba341b3cbd324266cd8032a0c87 Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:37 -0700 Subject: [PATCH 09/10] arm64: defconfig: enable the Axiado family Enable the Axiado SoC family in the arm64 defconfig. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 897fc686e6a9..96268ade08af 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -38,6 +38,7 @@ CONFIG_ARCH_AIROHA=y CONFIG_ARCH_SUNXI=y CONFIG_ARCH_ALPINE=y CONFIG_ARCH_APPLE=y +CONFIG_ARCH_AXIADO=y CONFIG_ARCH_BCM=y CONFIG_ARCH_BCM2835=y CONFIG_ARCH_BCM_IPROC=y From a6beb2bdb0db055f7402ed90e37fae99d68ff92c Mon Sep 17 00:00:00 2001 From: Harshit Shah Date: Tue, 22 Jul 2025 13:15:38 -0700 Subject: [PATCH 10/10] MAINTAINERS: Add entry for Axiado Add entry for Axiado maintainer and related files Reviewed-by: Krzysztof Kozlowski Signed-off-by: Harshit Shah Signed-off-by: Arnd Bergmann --- MAINTAINERS | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index a92290fffa16..db3efd1817b1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2414,6 +2414,14 @@ F: arch/arm/boot/dts/aspeed/ F: arch/arm/mach-aspeed/ N: aspeed +ARM/AXIADO ARCHITECTURE +M: Harshit Shah +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/arm/axiado.yaml +F: arch/arm64/boot/dts/axiado/ +N: axiado + ARM/AXM LSI SOC M: Krzysztof Kozlowski L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)