1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * at91sam9x5_usart3.dtsi - Device Tree Include file for AT91SAM9x5 SoC with 4 * 4 USART. 5 * 6 * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com> 7 */ 8 9#include <dt-bindings/pinctrl/at91.h> 10#include <dt-bindings/interrupt-controller/irq.h> 11#include <dt-bindings/mfd/at91-usart.h> 12 13/ { 14 aliases { 15 serial4 = &usart3; 16 }; 17 18 ahb { 19 apb { 20 pinctrl@fffff400 { 21 usart3 { 22 pinctrl_usart3: usart3-0 { 23 atmel,pins = 24 <AT91_PIOC 22 AT91_PERIPH_B AT91_PINCTRL_NONE 25 AT91_PIOC 23 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; 26 }; 27 28 pinctrl_usart3_rts: usart3_rts-0 { 29 atmel,pins = 30 <AT91_PIOC 24 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC24 periph B */ 31 }; 32 33 pinctrl_usart3_cts: usart3_cts-0 { 34 atmel,pins = 35 <AT91_PIOC 25 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC25 periph B */ 36 }; 37 38 pinctrl_usart3_sck: usart3_sck-0 { 39 atmel,pins = 40 <AT91_PIOC 26 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC26 periph B */ 41 }; 42 }; 43 }; 44 45 usart3: serial@f8028000 { 46 compatible = "atmel,at91sam9260-usart"; 47 reg = <0xf8028000 0x200>; 48 atmel,usart-mode = <AT91_USART_MODE_SERIAL>; 49 interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>; 50 pinctrl-names = "default"; 51 pinctrl-0 = <&pinctrl_usart3>; 52 dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(14)>, 53 <&dma1 1 (AT91_DMA_CFG_PER_ID(15) | AT91_DMA_CFG_FIFOCFG_ASAP)>; 54 dma-names = "tx", "rx"; 55 clocks = <&pmc PMC_TYPE_PERIPHERAL 8>; 56 clock-names = "usart"; 57 status = "disabled"; 58 }; 59 }; 60 }; 61}; 62