diff options
Diffstat (limited to 'arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi')
-rw-r--r-- | arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi new file mode 100644 index 0000000000..b868431259 --- /dev/null +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: (GPL-2.0+ or MIT) +// Copyright (C) 2021-2022 Samuel Holland <samuel@sholland.org> + +#define SOC_PERIPHERAL_IRQ(nr) (nr + 16) + +#include "sunxi-d1s-t113.dtsi" + +/ { + cpus { + timebase-frequency = <24000000>; + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "thead,c906", "riscv"; + device_type = "cpu"; + reg = <0>; + clocks = <&ccu CLK_RISCV>; + d-cache-block-size = <64>; + d-cache-sets = <256>; + d-cache-size = <32768>; + i-cache-block-size = <64>; + i-cache-sets = <128>; + i-cache-size = <32768>; + mmu-type = "riscv,sv39"; + operating-points-v2 = <&opp_table_cpu>; + riscv,isa = "rv64imafdc"; + #cooling-cells = <2>; + + cpu0_intc: interrupt-controller { + compatible = "riscv,cpu-intc"; + interrupt-controller; + #interrupt-cells = <1>; + }; + }; + }; + + opp_table_cpu: opp-table-cpu { + compatible = "operating-points-v2"; + + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-microvolt = <900000 900000 1100000>; + }; + + opp-1080000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <900000 900000 1100000>; + }; + }; + + soc { + interrupt-parent = <&plic>; + + riscv_wdt: watchdog@6011000 { + compatible = "allwinner,sun20i-d1-wdt"; + reg = <0x6011000 0x20>; + interrupts = <SOC_PERIPHERAL_IRQ(131) IRQ_TYPE_LEVEL_HIGH>; + clocks = <&dcxo>, <&rtc CLK_OSC32K>; + clock-names = "hosc", "losc"; + }; + + plic: interrupt-controller@10000000 { + compatible = "allwinner,sun20i-d1-plic", + "thead,c900-plic"; + reg = <0x10000000 0x4000000>; + interrupts-extended = <&cpu0_intc 11>, + <&cpu0_intc 9>; + interrupt-controller; + riscv,ndev = <175>; + #address-cells = <0>; + #interrupt-cells = <2>; + }; + }; +}; |