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kernel/linux-rt-4.4.41/arch/arm/boot/dts/sama5d3_uart.dtsi 1.88 KB
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  /*
   * sama5d3_uart.dtsi - Device Tree Include file for SAMA5D3 SoC with
   * UART support
   *
   * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
   *
   * Licensed under GPLv2.
   */
  
  #include <dt-bindings/pinctrl/at91.h>
  #include <dt-bindings/interrupt-controller/irq.h>
  #include <dt-bindings/clock/at91.h>
  
  / {
  	aliases {
  		serial5 = &uart0;
  		serial6 = &uart1;
  	};
  
  	ahb {
  		apb {
  			pinctrl@fffff200 {
  				uart0 {
  					pinctrl_uart0: uart0-0 {
  						atmel,pins =
  							<AT91_PIOC 29 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PC29 periph A, conflicts with PWMFI2, ISI_D8 */
  							 AT91_PIOC 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PC30 periph A with pullup, conflicts with ISI_PCK */
  					};
  				};
  
  				uart1 {
  					pinctrl_uart1: uart1-0 {
  						atmel,pins =
  							<AT91_PIOA 30 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA30 periph B, conflicts with TWD0, ISI_VSYNC */
  							 AT91_PIOA 31 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;	/* PA31 periph B with pullup, conflicts with TWCK0, ISI_HSYNC */
  					};
  				};
  			};
  
  			pmc: pmc@fffffc00 {
  				periphck {
  					uart0_clk: uart0_clk {
  						#clock-cells = <0>;
  						reg = <16>;
  						atmel,clk-output-range = <0 66000000>;
  					};
  
  					uart1_clk: uart1_clk {
  						#clock-cells = <0>;
  						reg = <17>;
  						atmel,clk-output-range = <0 66000000>;
  					};
  				};
  			};
  
  			uart0: serial@f0024000 {
  				compatible = "atmel,at91sam9260-usart";
  				reg = <0xf0024000 0x200>;
  				interrupts = <16 IRQ_TYPE_LEVEL_HIGH 5>;
  				pinctrl-names = "default";
  				pinctrl-0 = <&pinctrl_uart0>;
  				clocks = <&uart0_clk>;
  				clock-names = "usart";
  				status = "disabled";
  			};
  
  			uart1: serial@f8028000 {
  				compatible = "atmel,at91sam9260-usart";
  				reg = <0xf8028000 0x200>;
  				interrupts = <17 IRQ_TYPE_LEVEL_HIGH 5>;
  				pinctrl-names = "default";
  				pinctrl-0 = <&pinctrl_uart1>;
  				clocks = <&uart1_clk>;
  				clock-names = "usart";
  				status = "disabled";
  			};
  		};
  	};
  };