| /* | 
 |  * Copyright 2018 Foundries.io Ltd | 
 |  * SPDX-License-Identifier: Apache-2.0 | 
 |  */ | 
 |  | 
 | #include <riscv/rv32m1.dtsi> | 
 |  | 
 | / { | 
 | 	aliases { | 
 | 		intmux = &intmux1; | 
 | 		system-lptmr = &lptmr2; | 
 | 	}; | 
 |  | 
 | 	cpus { | 
 | 		/delete-node/ cpu@0; | 
 | 	}; | 
 | }; | 
 |  | 
 | &m0_flash { | 
 | 	partitions { | 
 | 		compatible = "fixed-partitions"; | 
 | 		#address-cells = <1>; | 
 | 		#size-cells = <1>; | 
 |  | 
 | 		/* This configuration assumes the Arm cores are disabled, as | 
 | 		 * these base addresses contain the Arm core vector tables if | 
 | 		 * they are used. | 
 | 		 */ | 
 |  | 
 | 		zero_riscy_code_partition: partition@1000000 { | 
 | 			label = "zero-riscy-code"; | 
 | 			reg = <0x01000000 0x0003ff00>; | 
 | 		}; | 
 |  | 
 | 		zero_riscy_vector_partition: partition@3ff00 { | 
 | 			label = "zero-riscy-vector"; | 
 | 			reg = <0x0003ff00 0x100>; | 
 | 		}; | 
 | 	}; | 
 | }; | 
 |  | 
 | /* | 
 |  * INTMUX channels below are somewhat arbitrary. | 
 |  * | 
 |  * The peripherals are all placed in channel 0. This can be overridden with | 
 |  * overlays, e.g. to manage IRQ priorities, and it will Just Work, but using | 
 |  * fewer channels here allows disabling unused ones in Kconfig, making the | 
 |  * binary smaller. | 
 |  * | 
 |  * Each enabled channel requires 256 bytes in _sw_isr_table, so the savings for | 
 |  * disabling channels can add up. | 
 |  */ | 
 |  | 
 | /delete-node/ &intmux0; | 
 |  | 
 | &intmux1 { | 
 | 	status = "okay"; | 
 | }; | 
 |  | 
 | &intmux1_ch0 { | 
 | 	interrupt-parent = <&event1>; | 
 | 	status = "okay"; | 
 | }; | 
 |  | 
 | &intmux1_ch1 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &intmux1_ch2 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &intmux1_ch3 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &intmux1_ch4 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &intmux1_ch5 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &intmux1_ch6 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &intmux1_ch7 { | 
 | 	interrupt-parent = <&event1>; | 
 | }; | 
 |  | 
 | &lptmr0 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <6>; | 
 | }; | 
 |  | 
 | &lptmr1 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <7>; | 
 | }; | 
 |  | 
 | &lptmr2 { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <14>; | 
 | }; | 
 |  | 
 | &gpioa { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <25>; | 
 | }; | 
 |  | 
 | &gpiob { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <26>; | 
 | }; | 
 |  | 
 | &gpioc { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <27>; | 
 | }; | 
 |  | 
 | &gpiod { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <28>; | 
 | }; | 
 |  | 
 | &gpioe { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <21>; | 
 | }; | 
 |  | 
 | &lpuart0 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <21>; | 
 | }; | 
 |  | 
 | &lpuart1 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <22>; | 
 | }; | 
 |  | 
 | &lpuart2 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <23>; | 
 | }; | 
 |  | 
 | &lpuart3 { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <20>; | 
 | }; | 
 |  | 
 | &lpi2c0 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <13>; | 
 | }; | 
 |  | 
 | &lpi2c1 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <14>; | 
 | }; | 
 |  | 
 | &lpi2c2 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <15>; | 
 | }; | 
 |  | 
 | &lpi2c3 { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <16>; | 
 | }; | 
 |  | 
 | &lpspi0 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <18>; | 
 | }; | 
 |  | 
 | &lpspi1 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <19>; | 
 | }; | 
 |  | 
 | &lpspi2 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <20>; | 
 | }; | 
 |  | 
 | &lpspi3 { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <19>; | 
 | }; | 
 |  | 
 | &generic_fsk { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <17>; | 
 | }; | 
 |  | 
 | &tpm0 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <8>; | 
 | }; | 
 |  | 
 | &tpm1 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <9>; | 
 | }; | 
 |  | 
 | &tpm2 { | 
 | 	interrupt-parent = <&intmux1_ch0>; | 
 | 	interrupts = <10>; | 
 | }; | 
 |  | 
 | &tpm3 { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <15>; | 
 | }; | 
 |  | 
 | &trng { | 
 | 	interrupt-parent = <&event1>; | 
 | 	interrupts = <12>; | 
 | }; |