Add the hardware mailbox (CPUX_MSGBOX) node and the XuanTie E907 RISC-V remoteproc node for Allwinner A523/A527/T527 SoCs.
Connect the remoteproc node to the MCU CCU clocks (bus, core, sram, msgbox) and resets (cfg, core, sram, msgbox) and mailbox channels 8 & 9 for bidirectional host-coprocessor IPC. Signed-off-by: Tim Michals <[email protected]> --- .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index 85ef492ffeae..b4699c4df5e9 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -605,6 +605,23 @@ dma: dma-controller@3002000 { #dma-cells = <1>; }; + msgbox: mailbox@3003000 { + compatible = "allwinner,sun55i-a523-msgbox"; + reg = <0x03003000 0x1000>, + <0x07094000 0x1000>, + <0x07120000 0x1000>, + <0x07136000 0x1000>; + reg-names = "arm", "dsp", "cpus", "rv"; + clocks = <&ccu CLK_BUS_MSGBOX>; + resets = <&ccu RST_BUS_MSGBOX>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "arm", "dsp", "cpus", "rv"; + #mbox-cells = <1>; + }; + sid: efuse@3006000 { compatible = "allwinner,sun55i-a523-sid", "allwinner,sun50i-a64-sid"; @@ -1144,5 +1161,27 @@ npu: npu@7122000 { resets = <&mcu_ccu RST_BUS_MCU_NPU>; power-domains = <&ppu PD_NPU>; }; + + rproc: remoteproc@7130000 { + compatible = "allwinner,sun55i-a523-rproc"; + reg = <0x07130000 0x1000>, + <0x07280000 0x40000>, + <0x072c0000 0x40000>, + <0x07010364 0x4>; + reg-names = "cfg", "r_sram", "r_sram1", "remap"; + clocks = <&mcu_ccu CLK_BUS_MCU_RISCV_CFG>, + <&mcu_ccu CLK_MCU_RISCV>, + <&mcu_ccu CLK_BUS_MCU_PUBSRAM>, + <&mcu_ccu CLK_BUS_MCU_RISCV_MSGBOX>; + clock-names = "bus", "core", "sram", "msgbox"; + resets = <&mcu_ccu RST_BUS_MCU_RISCV_CFG>, + <&mcu_ccu RST_BUS_MCU_RISCV_CORE>, + <&mcu_ccu RST_BUS_MCU_PUBSRAM>, + <&mcu_ccu RST_BUS_MCU_RISCV_MSGBOX>; + reset-names = "cfg", "core", "sram", "msgbox"; + mboxes = <&msgbox 8>, <&msgbox 9>; + mbox-names = "rx", "tx"; + status = "disabled"; + }; }; }; -- 2.43.0
