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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 09/02/2025 23:06, Alexander Sverdlin wrote: > Add initial device tree for the SG2000 SoC by SOPHGO (from ARM64 PoV). > > Signed-off-by: Alexander Sverdlin > --- > 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 > +#include > +#include > + > +/ { > + #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 = , > + ; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = , > + , > + , > + ; > + always-on; > + clock-frequency = <25000000>; > + }; > + > + gic: interrupt-controller@1f01000 { MMIO nodes are always in the soc. > + compatible = "arm,cortex-a15-gic"; > + interrupt-controller; > + #interrupt-cells = <3>; > + reg = <0x01f01000 0x1000>, > + <0x01f02000 0x2000>; > + }; > + > + soc { Override by phandle/label instead of duplicating. > + ranges; > + > + pinctrl: pinctrl@3001000 { > + compatible = "sophgo,sg2000-pinctrl"; > + reg = <0x03001000 0x1000>, > + <0x05027000 0x1000>; > + reg-names = "sys", "rtc"; > + }; > + }; > +}; > + > + > +&clk { > + compatible = "sophgo,sg2000-clk"; That's discouraged practice. If you need to define compatible, it means the block is not shared between designs and must not be in common DTSI. Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv