On 11:05 Mon 03 Mar , Jean-Jacques Hiblot wrote: > This patch implements a DTS to boot a at91sam9261ek with a dt-enabled > kernel (at91_dt_defconfig). > supported features are: > * dbgu > * lcdc > * usb host > * usb gadget, > * spi dataflash > * nand flash > * touchscreen > * leds > * user buttons > > In the TODO list: > * dm9000 (ethernet) > * audio > * mmc > > Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx> > --- > arch/arm/boot/dts/Makefile | 2 + > arch/arm/boot/dts/at91sam9261ek.dts | 204 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 206 insertions(+) > create mode 100644 arch/arm/boot/dts/at91sam9261ek.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 0320303..f496473 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -12,6 +12,8 @@ dtb-$(CONFIG_ARCH_AT91) += ethernut5.dtb > dtb-$(CONFIG_ARCH_AT91) += evk-pro3.dtb > dtb-$(CONFIG_ARCH_AT91) += tny_a9260.dtb > dtb-$(CONFIG_ARCH_AT91) += usb_a9260.dtb > +# sam9261 > +dtb-$(CONFIG_ARCH_AT91) += at91sam9261ek.dtb > # sam9263 > dtb-$(CONFIG_ARCH_AT91) += at91sam9263ek.dtb > dtb-$(CONFIG_ARCH_AT91) += tny_a9263.dtb > diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts > new file mode 100644 > index 0000000..03adb7f > --- /dev/null > +++ b/arch/arm/boot/dts/at91sam9261ek.dts > @@ -0,0 +1,204 @@ > +/* > + * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board > + * > + * Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx> > + * > + * Licensed under GPLv2 only. > + */ > +/dts-v1/; > +#include "at91sam9261.dtsi" > + > +/ { > + model = "Atmel at91sam9261ek"; > + compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9"; > + > + chosen { > + bootargs = "console=ttyS0,115200 rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw"; > + }; > + > + memory { > + reg = <0x20000000 0x4000000>; > + }; > + > + clocks { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + main_clock: clock@0 { > + compatible = "atmel,osc", "fixed-clock"; > + clock-frequency = <18432000>; > + }; > + }; > + > + ahb { > + usb0: ohci@00500000 { > + status = "okay"; > + }; > + > + fb0: fb@0x00600000 { > + display = <&display0>; > + atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>; > + status = "okay"; > + > + display0: display { > + bits-per-pixel = <16>; > + atmel,lcdcon-backlight; > + atmel,dmacon = <0x1>; > + atmel,lcdcon2 = <0x80008002>; > + atmel,guard-time = <1>; > + atmel,lcd-wiring-mode = "BRG"; > + > + display-timings { > + native-mode = <&timing0>; > + timing0: timing0 { > + clock-frequency = <4965000>; > + hactive = <240>; > + vactive = <320>; > + hback-porch = <1>; > + hfront-porch = <33>; > + vback-porch = <1>; > + vfront-porch = <0>; > + hsync-len = <5>; > + vsync-len = <1>; > + hsync-active = <1>; > + vsync-active = <1>; > + }; > + }; > + }; > + }; > + > + nand0: nand@40000000 { > + nand-bus-width = <8>; > + nand-ecc-mode = "soft"; > + nand-on-flash-bbt; > + status = "okay"; > + > + at91bootstrap@0 { > + label = "at91bootstrap"; > + reg = <0x0 0x40000>; > + }; > + > + bootloader@40000 { > + label = "bootloader"; > + reg = <0x40000 0x80000>; > + }; > + > + bootloaderenv@c0000 { > + label = "bootloader env"; > + reg = <0xc0000 0xc0000>; > + }; > + > + dtb@180000 { > + label = "device tree"; > + reg = <0x180000 0x80000>; > + }; > + > + kernel@200000 { > + label = "kernel"; > + reg = <0x200000 0x600000>; > + }; > + > + rootfs@800000 { > + label = "rootfs"; > + reg = <0x800000 0x0f800000>; > + }; > + }; > + > + apb { > + usb1: gadget@fffa4000 { > + atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>; > + status = "okay"; > + }; > + spi0: spi@fffc8000 { if you use cs-gpios you do not need to respect the hw order but ok just drop the last 0 > + cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>; > + status = "okay"; > + > + mtd_dataflash@0 { > + compatible = "atmel,at45", "atmel,dataflash"; > + reg = <0>; > + spi-max-frequency = <15000000>; > + }; please add empty line > + tsc2046@0 { > + reg = <2>; > + compatible = "ti,ads7843"; > + interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>; > + spi-max-frequency = <3000000>; > + pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>; > + > + ti,x-min = /bits/ 16 <150>; > + ti,x-max = /bits/ 16 <3830>; > + ti,y-min = /bits/ 16 <190>; > + ti,y-max = /bits/ 16 <3830>; > + ti,vref-delay-usecs = /bits/ 16 <450>; > + ti,x-plate-ohms = /bits/ 16 <450>; > + ti,y-plate-ohms = /bits/ 16 <250>; > + ti,pressure-max = /bits/ 16 <15000>; > + ti,debounce-rep = /bits/ 16 <0>; > + ti,debounce-tol = /bits/ 16 <65535>; > + ti,debounce-max = /bits/ 16 <1>; > + > + linux,wakeup; > + }; > + }; > + > + dbgu: serial@fffff200 { > + status = "okay"; > + }; > + > + watchdog@fffffd40 { > + status = "okay"; > + }; > + > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + ds8 { > + label = "ds8"; > + gpios = <&pioA 13 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "none"; no-need drop it please fix the missing empty line > + }; > + ds7 { > + label = "ds7"; > + gpios = <&pioA 14 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "nand-disk"; > + }; > + ds1 { > + label = "ds1"; > + gpios = <&pioA 23 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "heartbeat"; > + }; > + }; > + > + gpio_keys { > + compatible = "gpio-keys"; > + > + button_0 { > + label = "button_0"; > + gpios = <&pioA 27 GPIO_ACTIVE_LOW>; > + linux,code = <256>; > + gpio-key,wakeup; > + }; > + button_1 { > + label = "button_1"; > + gpios = <&pioA 26 GPIO_ACTIVE_LOW>; > + linux,code = <257>; > + gpio-key,wakeup; > + }; > + button_2 { > + label = "button_2"; > + gpios = <&pioA 25 GPIO_ACTIVE_LOW>; > + linux,code = <258>; > + gpio-key,wakeup; > + }; > + button_3 { > + label = "button_3"; > + gpios = <&pioA 24 GPIO_ACTIVE_LOW>; > + linux,code = <259>; > + gpio-key,wakeup; > + }; > + }; > +}; > -- > 1.9.0 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html