arch/arm/boot/dts/sama5d3_uart.dtsi

   1 /*
   2  * sama5d3_uart.dtsi - Device Tree Include file for SAMA5D3 SoC with
   3  * UART support
   4  *
   5  * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
   6  *
   7  * Licensed under GPLv2.
   8  */
   9
  10 #include <dt-bindings/pinctrl/at91.h>
  11 #include <dt-bindings/interrupt-controller/irq.h>
  12 #include <dt-bindings/clock/at91.h>
  13
  14 / {
  15         aliases {
  16                 serial5 = &uart0;
  17                 serial6 = &uart1;
  18         };
  19
  20         ahb {
  21                 apb {
  22                         pinctrl@fffff200 {
  23                                 uart0 {
  24                                         pinctrl_uart0: uart0-0 {
  25                                                 atmel,pins =
  26                                                         <AT91_PIOC 29 AT91_PERIPH_A AT91_PINCTRL_NONE   /* PC29 periph A, conflicts with PWMFI2, ISI_D8 */
  27                                                          AT91_PIOC 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;      /* PC30 periph A with pullup, conflicts with ISI_PCK */
  28                                         };
  29                                 };
  30
  31                                 uart1 {
  32                                         pinctrl_uart1: uart1-0 {
  33                                                 atmel,pins =
  34                                                         <AT91_PIOA 30 AT91_PERIPH_B AT91_PINCTRL_NONE   /* PA30 periph B, conflicts with TWD0, ISI_VSYNC */
  35                                                          AT91_PIOA 31 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;      /* PA31 periph B with pullup, conflicts with TWCK0, ISI_HSYNC */
  36                                         };
  37                                 };
  38                         };
  39
  40                         pmc: pmc@fffffc00 {
  41                                 periphck {
  42                                         uart0_clk: uart0_clk {
  43                                                 #clock-cells = <0>;
  44                                                 reg = <16>;
  45                                                 atmel,clk-output-range = <0 66000000>;
  46                                         };
  47
  48                                         uart1_clk: uart1_clk {
  49                                                 #clock-cells = <0>;
  50                                                 reg = <17>;
  51                                                 atmel,clk-output-range = <0 66000000>;
  52                                         };
  53                                 };
  54                         };
  55
  56                         uart0: serial@f0024000 {
  57                                 compatible = "atmel,at91sam9260-usart";
  58                                 reg = <0xf0024000 0x100>;
  59                                 interrupts = <16 IRQ_TYPE_LEVEL_HIGH 5>;
  60                                 pinctrl-names = "default";
  61                                 pinctrl-0 = <&pinctrl_uart0>;
  62                                 clocks = <&uart0_clk>;
  63                                 clock-names = "usart";
  64                                 status = "disabled";
  65                         };
  66
  67                         uart1: serial@f8028000 {
  68                                 compatible = "atmel,at91sam9260-usart";
  69                                 reg = <0xf8028000 0x100>;
  70                                 interrupts = <17 IRQ_TYPE_LEVEL_HIGH 5>;
  71                                 pinctrl-names = "default";
  72                                 pinctrl-0 = <&pinctrl_uart1>;
  73                                 clocks = <&uart1_clk>;
  74                                 clock-names = "usart";
  75                                 status = "disabled";
  76                         };
  77                 };
  78         };
  79 };