| Message ID | 1393841162-25339-7-git-send-email-jjhiblot@traphandler.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 03/03/2014 at 11:05:59 +0100, 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@traphandler.com> > --- > 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@traphandler.com> > + * > + * 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"; > + }; Nit: add a white line between nodes please, same for a few nodes below. > + spi0: spi@fffc8000 { > + 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>; > + }; > + 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"; > + }; > + 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 >
On 03/03/2014 19:38, Alexandre Belloni : > On 03/03/2014 at 11:05:59 +0100, 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@traphandler.com> >> --- >> 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@traphandler.com> >> + * >> + * 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"; >> + }; > > Nit: add a white line between nodes please, same for a few nodes below. Done while including in the at91-3.15-cleanup branch. > >> + spi0: spi@fffc8000 { >> + 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>; >> + }; >> + 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"; >> + }; >> + 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 >> >
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@traphandler.com> > --- > 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@traphandler.com> > + * > + * 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 >
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@traphandler.com> + * + * 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 { + 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>; + }; + 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"; + }; + 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; + }; + }; +};
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@traphandler.com> --- 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