| Message ID | 1389270709-32662-3-git-send-email-jjhiblot@traphandler.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 09/01/2014 13:31, Jean-Jacques Hiblot : > This patch implements a simple DTS to boot a at91sam9261ek with a dt-enabled > kernel (at91_dt_defconfig). > Only dbgu, nand and watchdog are described in the DT. > > Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com> > --- > arch/arm/boot/dts/Makefile | 2 + > arch/arm/boot/dts/at91sam9261ek.dts | 75 +++++++++++++++++++++++++++++++++++++ > 2 files changed, 77 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 772a30e..ece523d 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -11,6 +11,8 @@ 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..f3d22a9 > --- /dev/null > +++ b/arch/arm/boot/dts/at91sam9261ek.dts > @@ -0,0 +1,75 @@ > +/* > + * 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 = "mem=64M console=ttyS0,115200"; No "mem=" argument, please. > + }; > + > + memory { > + reg = <0x20000000 0x4000000>; This is where memory is specified. > + }; > + > + clocks { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + main_clock: clock@0 { > + compatible = "atmel,osc", "fixed-clock"; > + clock-frequency = <18432000>; > + }; > + }; > + > + ahb { > + apb { > + dbgu: serial@fffff200 { > + status = "okay"; > + }; > + > + watchdog@fffffd40 { > + status = "okay"; > + }; > + }; > + > + nand0: nand@40000000 { > + nand-bus-width = <8>; > + nand-ecc-mode = "soft"; > + nand-on-flash-bbt = <1>; > + status = "okay"; > + at91bootstrap@0 { > + label = "at91bootstrap"; > + reg = <0x0 0x20000>; Maybe more partitions are needed by default. You may need to align to the common partition scheme the we use for sama5d3 and: http://www.at91.com/linux4sam/bin/view/Linux4SAM/GettingStarted#Linux4SAM_NandFlash_demo_Memory (even if it can be discussed ;-)) > + }; > + }; > + }; > + > + 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"; > + }; > + }; > +}; >
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 772a30e..ece523d 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -11,6 +11,8 @@ 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..f3d22a9 --- /dev/null +++ b/arch/arm/boot/dts/at91sam9261ek.dts @@ -0,0 +1,75 @@ +/* + * 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 = "mem=64M console=ttyS0,115200"; + }; + + 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 { + apb { + dbgu: serial@fffff200 { + status = "okay"; + }; + + watchdog@fffffd40 { + status = "okay"; + }; + }; + + nand0: nand@40000000 { + nand-bus-width = <8>; + nand-ecc-mode = "soft"; + nand-on-flash-bbt = <1>; + status = "okay"; + at91bootstrap@0 { + label = "at91bootstrap"; + reg = <0x0 0x20000>; + }; + }; + }; + + 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"; + }; + }; +};
This patch implements a simple DTS to boot a at91sam9261ek with a dt-enabled kernel (at91_dt_defconfig). Only dbgu, nand and watchdog are described in the DT. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com> --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/at91sam9261ek.dts | 75 +++++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) create mode 100644 arch/arm/boot/dts/at91sam9261ek.dts