Add initial device tree for the SG2000 SoC by SOPHGO (from ARM64 PoV). Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> --- arch/arm64/boot/dts/sophgo/sg2000.dtsi | 79 ++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 arch/arm64/boot/dts/sophgo/sg2000.dtsi diff --git a/arch/arm64/boot/dts/sophgo/sg2000.dtsi b/arch/arm64/boot/dts/sophgo/sg2000.dtsi new file mode 100644 index 000000000000..4e520486cbe5 --- /dev/null +++ b/arch/arm64/boot/dts/sophgo/sg2000.dtsi @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + +#define SOC_PERIPHERAL_IRQ(nr) GIC_SPI (nr) + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <riscv/sophgo/cv18xx-periph.dtsi> +#include <riscv/sophgo/cv181x.dtsi> + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "sophgo,sg2000"; + interrupt-parent = <&gic>; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x20000000>; /* 512MiB */ + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0>; + i-cache-size = <32768>; + d-cache-size = <32768>; + next-level-cache = <&l2>; + }; + + l2: l2-cache { + compatible = "cache"; + cache-level= <2>; + cache-size = <0x20000>; + }; + }; + + pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>; + always-on; + clock-frequency = <25000000>; + }; + + gic: interrupt-controller@1f01000 { + compatible = "arm,cortex-a15-gic"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x01f01000 0x1000>, + <0x01f02000 0x2000>; + }; + + soc { + ranges; + + pinctrl: pinctrl@3001000 { + compatible = "sophgo,sg2000-pinctrl"; + reg = <0x03001000 0x1000>, + <0x05027000 0x1000>; + reg-names = "sys", "rtc"; + }; + }; +}; + + +&clk { + compatible = "sophgo,sg2000-clk"; +}; -- 2.48.1