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1STMicroelectronics Co-Processor Bindings2----------------------------------------3 4This binding provides support for adjunct processors found on ST SoCs.5 6Co-processors can be controlled from the bootloader or the primary OS. If7the bootloader starts a co-processor, the primary OS must detect its state8and act accordingly.9 10Required properties:11- compatible Should be one of:12 "st,st231-rproc"13 "st,st40-rproc"14- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt)15- resets Reset lines (See: ../reset/reset.txt)16- reset-names Must be "sw_reset" and "pwr_reset"17- clocks Clock for co-processor (See: ../clock/clock-bindings.txt)18- clock-frequency Clock frequency to set co-processor at if the bootloader19 hasn't already done so20- st,syscfg System configuration register which holds the boot vector21 for the co-processor22 1st cell: Phandle to syscon block23 2nd cell: Boot vector register offset24 25Example:26 27 audio_reserved: rproc@42000000 {28 compatible = "shared-dma-pool";29 reg = <0x42000000 0x01000000>;30 no-map;31 };32 33 st231-audio {34 compatible = "st,st231-rproc";35 memory-region = <&audio_reserved>;36 resets = <&softreset STIH407_ST231_AUD_SOFTRESET>;37 reset-names = "sw_reset";38 clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>;39 clock-frequency = <600000000>;40 st,syscfg = <&syscfg_core 0x228>;41 };42