xref: /freebsd-10.3-release/sys/gnu/dts/arm/at91sam9n12.dtsi

/*
 * at91sam9n12.dtsi - Device Tree include file for AT91SAM9N12 SoC
 *
 *  Copyright (C) 2012 Atmel,
 *                2012 Hong Xu <hong.xu@atmel.com>
 *
 * Licensed under GPLv2 or later.
 */

#include "skeleton.dtsi"
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Atmel AT91SAM9N12 SoC";
	compatible = "atmel,at91sam9n12";
	interrupt-parent = <&aic>;

	aliases {
		serial0 = &dbgu;
		serial1 = &usart0;
		serial2 = &usart1;
		serial3 = &usart2;
		serial4 = &usart3;
		gpio0 = &pioA;
		gpio1 = &pioB;
		gpio2 = &pioC;
		gpio3 = &pioD;
		tcb0 = &tcb0;
		tcb1 = &tcb1;
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		ssc0 = &ssc0;
		pwm0 = &pwm0;
	};
	cpus {
		#address-cells = <0>;
		#size-cells = <0>;

		cpu {
			compatible = "arm,arm926ej-s";
			device_type = "cpu";
		};
	};

	memory {
		reg = <0x20000000 0x10000000>;
	};

	ahb {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		apb {
			compatible = "simple-bus";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges;

			aic: interrupt-controller@fffff000 {
				#interrupt-cells = <3>;
				compatible = "atmel,at91rm9200-aic";
				interrupt-controller;
				reg = <0xfffff000 0x200>;
				atmel,external-irqs = <31>;
			};

			ramc0: ramc@ffffe800 {
				compatible = "atmel,at91sam9g45-ddramc";
				reg = <0xffffe800 0x200>;
			};

			pmc: pmc@fffffc00 {
				compatible = "atmel,at91rm9200-pmc";
				reg = <0xfffffc00 0x100>;
			};

			rstc@fffffe00 {
				compatible = "atmel,at91sam9g45-rstc";
				reg = <0xfffffe00 0x10>;
			};

			pit: timer@fffffe30 {
				compatible = "atmel,at91sam9260-pit";
				reg = <0xfffffe30 0xf>;
				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
			};

			shdwc@fffffe10 {
				compatible = "atmel,at91sam9x5-shdwc";
				reg = <0xfffffe10 0x10>;
			};

			mmc0: mmc@f0008000 {
				compatible = "atmel,hsmci";
				reg = <0xf0008000 0x600>;
				interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>;
				dmas = <&dma 1 AT91_DMA_CFG_PER_ID(0)>;
				dma-names = "rxtx";
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};

			tcb0: timer@f8008000 {
				compatible = "atmel,at91sam9x5-tcb";
				reg = <0xf8008000 0x100>;
				interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
			};

			tcb1: timer@f800c000 {
				compatible = "atmel,at91sam9x5-tcb";
				reg = <0xf800c000 0x100>;
				interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
			};

			dma: dma-controller@ffffec00 {
				compatible = "atmel,at91sam9g45-dma";
				reg = <0xffffec00 0x200>;
				interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>;
				#dma-cells = <2>;
			};

			pinctrl@fffff400 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "atmel,at91sam9x5-pinctrl", "atmel,at91rm9200-pinctrl", "simple-bus";
				ranges = <0xfffff400 0xfffff400 0x800>;

				atmel,mux-mask = <
				      /*    A         B          C     */
				       0xffffffff 0xffe07983 0x00000000  /* pioA */
				       0x00040000 0x00047e0f 0x00000000  /* pioB */
				       0xfdffffff 0x07c00000 0xb83fffff  /* pioC */
				       0x003fffff 0x003f8000 0x00000000  /* pioD */
				      >;

				/* shared pinctrl settings */
				dbgu {
					pinctrl_dbgu: dbgu-0 {
						atmel,pins =
							<AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA9 periph A */
							 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PA10 periph with pullup */
					};
				};

				usart0 {
					pinctrl_usart0: usart0-0 {
						atmel,pins =
							<AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PA1 periph A with pullup */
							 AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA0 periph A */
					};

					pinctrl_usart0_rts: usart0_rts-0 {
						atmel,pins =
							<AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA2 periph A */
					};

					pinctrl_usart0_cts: usart0_cts-0 {
						atmel,pins =
							<AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA3 periph A */
					};
				};

				usart1 {
					pinctrl_usart1: usart1-0 {
						atmel,pins =
							<AT91_PIOA 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PA6 periph A with pullup */
							 AT91_PIOA 5 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA5 periph A */
					};
				};

				usart2 {
					pinctrl_usart2: usart2-0 {
						atmel,pins =
							<AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PA8 periph A with pullup */
							 AT91_PIOA 7 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA7 periph A */
					};

					pinctrl_usart2_rts: usart2_rts-0 {
						atmel,pins =
							<AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PB0 periph B */
					};

					pinctrl_usart2_cts: usart2_cts-0 {
						atmel,pins =
							<AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PB1 periph B */
					};
				};

				usart3 {
					pinctrl_usart3: usart3-0 {
						atmel,pins =
							<AT91_PIOC 23 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PC23 periph B with pullup */
							 AT91_PIOC 22 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC22 periph B */
					};

					pinctrl_usart3_rts: usart3_rts-0 {
						atmel,pins =
							<AT91_PIOC 24 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC24 periph B */
					};

					pinctrl_usart3_cts: usart3_cts-0 {
						atmel,pins =
							<AT91_PIOC 25 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC25 periph B */
					};
				};

				uart0 {
					pinctrl_uart0: uart0-0 {
						atmel,pins =
							<AT91_PIOC 9 AT91_PERIPH_C AT91_PINCTRL_PULL_UP	/* PC9 periph C with pullup */
							 AT91_PIOC 8 AT91_PERIPH_C AT91_PINCTRL_NONE>;	/* PC8 periph C */
					};
				};

				uart1 {
					pinctrl_uart1: uart1-0 {
						atmel,pins =
							<AT91_PIOC 16 AT91_PERIPH_C AT91_PINCTRL_PULL_UP	/* PC17 periph C with pullup */
							 AT91_PIOC 17 AT91_PERIPH_C AT91_PINCTRL_NONE>;	/* PC16 periph C */
					};
				};

				nand {
					pinctrl_nand: nand-0 {
						atmel,pins =
							<AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP	/* PD5 gpio RDY pin pull_up*/
							 AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;	/* PD4 gpio enable pin pull_up */
					};
				};

				mmc0 {
					pinctrl_mmc0_slot0_clk_cmd_dat0: mmc0_slot0_clk_cmd_dat0-0 {
						atmel,pins =
							<AT91_PIOA 17 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA17 periph A */
							 AT91_PIOA 16 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PA16 periph A with pullup */
							 AT91_PIOA 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PA15 periph A with pullup */
					};

					pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 {
						atmel,pins =
							<AT91_PIOA 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PA18 periph A with pullup */
							 AT91_PIOA 19 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PA19 periph A with pullup */
							 AT91_PIOA 20 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PA20 periph A with pullup */
					};

					pinctrl_mmc0_slot0_dat4_7: mmc0_slot0_dat4_7-0 {
						atmel,pins =
							<AT91_PIOA 11 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PA11 periph B with pullup */
							 AT91_PIOA 12 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PA12 periph B with pullup */
							 AT91_PIOA 13 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PA13 periph B with pullup */
							 AT91_PIOA 14 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;	/* PA14 periph B with pullup */
					};
				};

				ssc0 {
					pinctrl_ssc0_tx: ssc0_tx-0 {
						atmel,pins =
							<AT91_PIOA 24 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA24 periph B */
							 AT91_PIOA 25 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA25 periph B */
							 AT91_PIOA 26 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PA26 periph B */
					};

					pinctrl_ssc0_rx: ssc0_rx-0 {
						atmel,pins =
							<AT91_PIOA 27 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA27 periph B */
							 AT91_PIOA 28 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA28 periph B */
							 AT91_PIOA 29 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PA29 periph B */
					};
				};

				spi0 {
					pinctrl_spi0: spi0-0 {
						atmel,pins =
							<AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA11 periph A SPI0_MISO pin */
							 AT91_PIOA 12 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PA12 periph A SPI0_MOSI pin */
							 AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE>;	/* PA13 periph A SPI0_SPCK pin */
					};
				};

				spi1 {
					pinctrl_spi1: spi1-0 {
						atmel,pins =
							<AT91_PIOA 21 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA21 periph B SPI1_MISO pin */
							 AT91_PIOA 22 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA22 periph B SPI1_MOSI pin */
							 AT91_PIOA 23 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PA23 periph B SPI1_SPCK pin */
					};
				};

				i2c0 {
					pinctrl_i2c0: i2c0-0 {
						atmel,pins =
							<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE
							 AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};
				};

				i2c1 {
					pinctrl_i2c1: i2c1-0 {
						atmel,pins =
							<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_NONE
							 AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};
				};

				tcb0 {
					pinctrl_tcb0_tclk0: tcb0_tclk0-0 {
						atmel,pins = <AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tclk1: tcb0_tclk1-0 {
						atmel,pins = <AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tclk2: tcb0_tclk2-0 {
						atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tioa0: tcb0_tioa0-0 {
						atmel,pins = <AT91_PIOA 21 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tioa1: tcb0_tioa1-0 {
						atmel,pins = <AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tioa2: tcb0_tioa2-0 {
						atmel,pins = <AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tiob0: tcb0_tiob0-0 {
						atmel,pins = <AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tiob1: tcb0_tiob1-0 {
						atmel,pins = <AT91_PIOA 28 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb0_tiob2: tcb0_tiob2-0 {
						atmel,pins = <AT91_PIOA 29 AT91_PERIPH_A AT91_PINCTRL_NONE>;
					};
				};

				tcb1 {
					pinctrl_tcb1_tclk0: tcb1_tclk0-0 {
						atmel,pins = <AT91_PIOC 4 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tclk1: tcb1_tclk1-0 {
						atmel,pins = <AT91_PIOC 7 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tclk2: tcb1_tclk2-0 {
						atmel,pins = <AT91_PIOC 14 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tioa0: tcb1_tioa0-0 {
						atmel,pins = <AT91_PIOC 2 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tioa1: tcb1_tioa1-0 {
						atmel,pins = <AT91_PIOC 5 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tioa2: tcb1_tioa2-0 {
						atmel,pins = <AT91_PIOC 12 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tiob0: tcb1_tiob0-0 {
						atmel,pins = <AT91_PIOC 3 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tiob1: tcb1_tiob1-0 {
						atmel,pins = <AT91_PIOC 6 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};

					pinctrl_tcb1_tiob2: tcb1_tiob2-0 {
						atmel,pins = <AT91_PIOC 13 AT91_PERIPH_C AT91_PINCTRL_NONE>;
					};
				};

				pioA: gpio@fffff400 {
					compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
					reg = <0xfffff400 0x200>;
					interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
					#gpio-cells = <2>;
					gpio-controller;
					interrupt-controller;
					#interrupt-cells = <2>;
				};

				pioB: gpio@fffff600 {
					compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
					reg = <0xfffff600 0x200>;
					interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
					#gpio-cells = <2>;
					gpio-controller;
					interrupt-controller;
					#interrupt-cells = <2>;
				};

				pioC: gpio@fffff800 {
					compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
					reg = <0xfffff800 0x200>;
					interrupts = <3 IRQ_TYPE_LEVEL_HIGH 1>;
					#gpio-cells = <2>;
					gpio-controller;
					interrupt-controller;
					#interrupt-cells = <2>;
				};

				pioD: gpio@fffffa00 {
					compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
					reg = <0xfffffa00 0x200>;
					interrupts = <3 IRQ_TYPE_LEVEL_HIGH 1>;
					#gpio-cells = <2>;
					gpio-controller;
					interrupt-controller;
					#interrupt-cells = <2>;
				};
			};

			dbgu: serial@fffff200 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0xfffff200 0x200>;
				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_dbgu>;
				status = "disabled";
			};

			ssc0: ssc@f0010000 {
				compatible = "atmel,at91sam9g45-ssc";
				reg = <0xf0010000 0x4000>;
				interrupts = <28 IRQ_TYPE_LEVEL_HIGH 5>;
				dmas = <&dma 0 AT91_DMA_CFG_PER_ID(21)>,
				       <&dma 0 AT91_DMA_CFG_PER_ID(22)>;
				dma-names = "tx", "rx";
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
				status = "disabled";
			};

			usart0: serial@f801c000 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0xf801c000 0x4000>;
				interrupts = <5 IRQ_TYPE_LEVEL_HIGH 5>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_usart0>;
				status = "disabled";
			};

			usart1: serial@f8020000 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0xf8020000 0x4000>;
				interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_usart1>;
				status = "disabled";
			};

			usart2: serial@f8024000 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0xf8024000 0x4000>;
				interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_usart2>;
				status = "disabled";
			};

			usart3: serial@f8028000 {
				compatible = "atmel,at91sam9260-usart";
				reg = <0xf8028000 0x4000>;
				interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_usart3>;
				status = "disabled";
			};

			i2c0: i2c@f8010000 {
				compatible = "atmel,at91sam9x5-i2c";
				reg = <0xf8010000 0x100>;
				interrupts = <9 IRQ_TYPE_LEVEL_HIGH 6>;
				dmas = <&dma 1 AT91_DMA_CFG_PER_ID(13)>,
				       <&dma 1 AT91_DMA_CFG_PER_ID(14)>;
				dma-names = "tx", "rx";
				#address-cells = <1>;
				#size-cells = <0>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_i2c0>;
				status = "disabled";
			};

			i2c1: i2c@f8014000 {
				compatible = "atmel,at91sam9x5-i2c";
				reg = <0xf8014000 0x100>;
				interrupts = <10 IRQ_TYPE_LEVEL_HIGH 6>;
				dmas = <&dma 1 AT91_DMA_CFG_PER_ID(15)>,
				       <&dma 1 AT91_DMA_CFG_PER_ID(16)>;
				dma-names = "tx", "rx";
				#address-cells = <1>;
				#size-cells = <0>;
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_i2c1>;
				status = "disabled";
			};

			spi0: spi@f0000000 {
				#address-cells = <1>;
				#size-cells = <0>;
				compatible = "atmel,at91rm9200-spi";
				reg = <0xf0000000 0x100>;
				interrupts = <13 IRQ_TYPE_LEVEL_HIGH 3>;
				dmas = <&dma 1 AT91_DMA_CFG_PER_ID(1)>,
				       <&dma 1 AT91_DMA_CFG_PER_ID(2)>;
				dma-names = "tx", "rx";
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_spi0>;
				status = "disabled";
			};

			spi1: spi@f0004000 {
				#address-cells = <1>;
				#size-cells = <0>;
				compatible = "atmel,at91rm9200-spi";
				reg = <0xf0004000 0x100>;
				interrupts = <14 IRQ_TYPE_LEVEL_HIGH 3>;
				dmas = <&dma 1 AT91_DMA_CFG_PER_ID(3)>,
				       <&dma 1 AT91_DMA_CFG_PER_ID(4)>;
				dma-names = "tx", "rx";
				pinctrl-names = "default";
				pinctrl-0 = <&pinctrl_spi1>;
				status = "disabled";
			};

			watchdog@fffffe40 {
				compatible = "atmel,at91sam9260-wdt";
				reg = <0xfffffe40 0x10>;
				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
				atmel,watchdog-type = "hardware";
				atmel,reset-type = "all";
				atmel,dbg-halt;
				atmel,idle-halt;
				status = "disabled";
			};

			pwm0: pwm@f8034000 {
				compatible = "atmel,at91sam9rl-pwm";
				reg = <0xf8034000 0x300>;
				interrupts = <18 IRQ_TYPE_LEVEL_HIGH 4>;
				#pwm-cells = <3>;
				status = "disabled";
			};
		};

		nand0: nand@40000000 {
			compatible = "atmel,at91rm9200-nand";
			#address-cells = <1>;
			#size-cells = <1>;
			reg = < 0x40000000 0x10000000
				0xffffe000 0x00000600
				0xffffe600 0x00000200
				0x00108000 0x00018000
			       >;
			atmel,pmecc-lookup-table-offset = <0x0 0x8000>;
			atmel,nand-addr-offset = <21>;
			atmel,nand-cmd-offset = <22>;
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_nand>;
			gpios = <&pioD 5 GPIO_ACTIVE_HIGH
				 &pioD 4 GPIO_ACTIVE_HIGH
				 0
				>;
			status = "disabled";
		};

		usb0: ohci@00500000 {
			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
			reg = <0x00500000 0x00100000>;
			interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
			status = "disabled";
		};
	};

	i2c@0 {
		compatible = "i2c-gpio";
		gpios = <&pioA 30 GPIO_ACTIVE_HIGH /* sda */
			 &pioA 31 GPIO_ACTIVE_HIGH /* scl */
			>;
		i2c-gpio,sda-open-drain;
		i2c-gpio,scl-open-drain;
		i2c-gpio,delay-us = <2>;	/* ~100 kHz */
		#address-cells = <1>;
		#size-cells = <0>;
		status = "disabled";
	};
};