[PATCH 5/5] ARM: at91: add Acme Systems Fox G20 board

Nicolas Ferre nicolas.ferre at atmel.com
Fri Apr 19 04:49:07 EDT 2013


On 04/18/2013 06:34 PM, Nicolas Ferre :
> On 04/18/2013 03:01 PM, Nicolas Ferre :
>> From: Douglas Gilbert <dgilbert at interlog.com>
>>
>> Signed-off-by: Douglas Gilbert <dgilbert at interlog.com>
>> Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
>> ---
>>  arch/arm/boot/dts/Makefile        |   1 +
>>  arch/arm/boot/dts/at91-foxg20.dts | 166 ++++++++++++++++++++++++++++++++++++++
> 
> FYI: I have to review this one: error while compiling.

Okay, corrected now: see below...

> 
>>  2 files changed, 167 insertions(+)
>>  create mode 100644 arch/arm/boot/dts/at91-foxg20.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index b07f162..914fe65 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -16,6 +16,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9263ek.dtb
>>  dtb-$(CONFIG_ARCH_AT91) += tny_a9263.dtb
>>  dtb-$(CONFIG_ARCH_AT91) += usb_a9263.dtb
>>  # sam9g20
>> +dtb-$(CONFIG_ARCH_AT91) += at91-foxg20.dtb
>>  dtb-$(CONFIG_ARCH_AT91) += at91sam9g20ek.dtb
>>  dtb-$(CONFIG_ARCH_AT91) += at91sam9g20ek_2mmc.dtb
>>  dtb-$(CONFIG_ARCH_AT91) += kizbox.dtb
>> diff --git a/arch/arm/boot/dts/at91-foxg20.dts b/arch/arm/boot/dts/at91-foxg20.dts
>> new file mode 100644
>> index 0000000..7d24ef7
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/at91-foxg20.dts
>> @@ -0,0 +1,166 @@
>> +/*
>> + * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
>> + *
>> + * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
>> + *
>> + * Copyright (C) 2013 Douglas Gilbert <dgilbert at interlog.com>
>> + *
>> + * Licensed under GPLv2 or later.
>> + */
>> +/dts-v1/;
>> +/include/ "at91sam9g20.dtsi"
>> +
>> +/ {
>> +	model = "Acme Systems FoxG20";
>> +	compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
>> +
>> +	chosen {
>> +		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
>> +	};
>> +
>> +	memory {
>> +		reg = <0x20000000 0x4000000>;
>> +	};
>> +
>> +	clocks {
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		ranges;
>> +
>> +		main_clock: clock at 0 {
>> +			compatible = "atmel,osc", "fixed-clock";
>> +			clock-frequency = <18432000>;
>> +		};
>> +	};
>> +
>> +	ahb {
>> +		apb {
>> +			usb1: gadget at fffa4000 {
>> +				atmel,vbus-gpio = <&pioC 6 0>;
>> +				status = "okay";
>> +			};
>> +
>> +			mmc0: mmc at fffa8000 {
>> +				pinctrl-0 = <
>> +					&pinctrl_mmc0_clk
>> +					&pinctrl_mmc0_slot1_cmd_dat0
>> +					&pinctrl_mmc0_slot1_dat1_3>;
>> +				status = "okay";
>> +				slot at 1 {
>> +					reg = <1>;
>> +					bus-width = <4>;
>> +				};
>> +			};
>> +
>> +			usart0: serial at fffb0000 {
>> +				pinctrl-0 =
>> +					<&pinctrl_usart0
>> +					 &pinctrl_usart0_rts
>> +					 &pinctrl_usart0_cts
>> +					>;
>> +				status = "okay";
>> +			};
>> +
>> +			usart1: serial at fffb4000 {
>> +				status = "okay";
>> +			};
>> +
>> +			usart2: serial at fffb8000 {
>> +				status = "okay";
>> +			};
>> +
>> +			macb0: ethernet at fffc4000 {
>> +				phy-mode = "rmii";
>> +				status = "okay";
>> +			};
>> +
>> +			spi0: spi at fffc8000 {
>> +				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
>> +				mtd_dataflash at 0 {
>> +					compatible = "atmel,at45", "atmel,dataflash";
>> +					spi-max-frequency = <50000000>;
>> +					reg = <1>;
>> +				};
>> +				status = "disabled";

No property after subnodes: moved upwards... but then, completely
removed: spi node is not defined in SoC .dtsi: it was even causing error
of cell definition... ==> we will add it later.

>> +			};
>> +
>> +			usart3: serial at fffd0000 {
>> +				status = "okay";
>> +			};
>> +
>> +			uart0: serial at fffd4000 {
>> +				status = "okay";
>> +			};
>> +
>> +			uart1: serial at fffd8000 {
>> +				status = "okay";
>> +			};
>> +
>> +			dbgu: serial at fffff200 {
>> +				status = "okay";
>> +			};
>> +
>> +			pinctrl at fffff400 {
>> +				board {
>> +					pinctrl_pck0_as_mck: pck0_as_mck {
>> +						atmel,pins =
>> +							<2 1 0x2 0x0>;	/* PC1 periph B */
>> +					};
>> +				};
>> +
>> +				mmc0_slot1 {
>> +					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
>> +						atmel,pins =
>> +							<2 9 0x0 0x5>;	/* PC9 gpio CD pin pull up and deglitch */
>> +					};
>> +				};
>> +
>> +				i2c0 {
>> +					pinctrl_i2c0: i2c0-0 {
>> +						atmel,pins =
>> +							<0 23 0x1 0x2	/* TWD (SDA) PA23 periph A, open drain */
>> +							 0 24 0x1 0x2>;	/* TWCK (SCL) PA24 periph A, open drain */
>> +					};
>> +				};
>> +			};
>> +
>> +			watchdog at fffffd40 {
>> +				status = "okay";
>> +			};
>> +		};
>> +
>> +		usb0: ohci at 00500000 {
>> +			num-ports = <2>;
>> +			status = "okay";
>> +		};
>> +	};
>> +
>> +	i2c at 0 {
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&pinctrl_i2c0>;
>> +		i2c-gpio,delay-us = <5>;	/* ~85 kHz */
>> +		status = "okay";
>> +	};
>> +
>> +	leds {
>> +		compatible = "gpio-leds";
>> +
>> +		/* red LED marked "PC7" near mini USB (device) receptacle */
>> +		user_led {
>> +			label = "user_led";
>> +			gpios = <&pioC 7 0>;	/* PC7 */
>> +			linux,default-trigger = "heartbeat";
>> +		};
>> +	};
>> +
>> +	gpio_keys {
>> +		compatible = "gpio-keys";
>> +
>> +		btn {
>> +			label = "Button";
>> +			gpios = <&pioC 4 1>;
>> +			linux,code = <0x103>;
>> +			gpio-key,wakeup;
>> +		};
>> +	};
>> +};
>>
> 
> 


-- 
Nicolas Ferre



More information about the linux-arm-kernel mailing list