On 26/06/2023 11:52, Xianwei Zhao wrote: > Amlogic T7 is an advanced application processor designed for smart display. > > Add basic support for the T7 based Amlogic AN400 board, which describes > the following components: CPU, GIC, IRQ, Timer, UART. It's capable of > booting up into the serial console. Few nits. ... > + core3 { > + cpu = <&cpu7>; > + }; > + }; > + }; > + > + cpu0:cpu@0 { You miss spaces after labels. > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x0>; > + enable-method = "psci"; > + }; > + > + cpu1:cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x1>; > + enable-method = "psci"; > + }; > + > + cpu2:cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x2>; > + enable-method = "psci"; > + }; > + > + cpu3:cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x3>; > + enable-method = "psci"; > + }; > + > + cpu4:cpu@100 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x100>; > + enable-method = "psci"; > + }; > + > + cpu5:cpu@101{ > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x101>; > + enable-method = "psci"; > + }; > + > + cpu6:cpu@102 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x102>; > + enable-method = "psci"; > + }; > + > + cpu7:cpu@103 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x103>; > + enable-method = "psci"; > + }; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>; > + }; > + > + psci { > + compatible = "arm,psci-0.2"; > + method = "smc"; > + }; > + > + xtal: xtal-clk { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + clock-output-names = "xtal"; > + #clock-cells = <0>; > + }; > + > + soc { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + gic: interrupt-controller@fff01000 { > + compatible = "arm,gic-400"; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + interrupt-controller; > + reg = <0x0 0xfff01000 0 0x1000>, > + <0x0 0xfff02000 0 0x0100>; > + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>; > + }; Fix indentation. > + > + apb4: bus@fe000000 { > + compatible = "simple-bus"; > + reg = <0x0 0xfe000000 0x0 0x480000>; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; > + > + uart_a: serial@78000 { > + compatible = "amlogic,meson-s4-uart", > + "amlogic,meson-ao-uart"; > + reg = <0x0 0x78000 0x0 0x18>; > + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; > + status = "disabled"; Please, don't put status in the middle of properties... Best regards, Krzysztof