From: nicolas.ferre@atmel•com (Nicolas Ferre)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 02/12] at91: dt: sam9261: Basic Device Tree support for the at91sam9261ek
Date: Tue, 14 Jan 2014 18:06:36 +0100 [thread overview]
Message-ID: <52D56E9C.9080904@atmel.com> (raw)
In-Reply-To: <1389270709-32662-3-git-send-email-jjhiblot@traphandler.com>
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 at 0 {
> + compatible = "atmel,osc", "fixed-clock";
> + clock-frequency = <18432000>;
> + };
> + };
> +
> + ahb {
> + apb {
> + dbgu: serial at fffff200 {
> + status = "okay";
> + };
> +
> + watchdog at fffffd40 {
> + status = "okay";
> + };
> + };
> +
> + nand0: nand at 40000000 {
> + nand-bus-width = <8>;
> + nand-ecc-mode = "soft";
> + nand-on-flash-bbt = <1>;
> + status = "okay";
> + at91bootstrap at 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";
> + };
> + };
> +};
>
--
Nicolas Ferre
next prev parent reply other threads:[~2014-01-14 17:06 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-09 12:31 [PATCH v2 00/12] Device Tree support for the at91sam9261ek Jean-Jacques Hiblot
2014-01-09 12:31 ` [PATCH v2 01/12] at91: dt: Add at91sam9261 dt SoC support Jean-Jacques Hiblot
2014-01-14 17:01 ` Nicolas Ferre
2014-01-15 10:08 ` Jean-Jacques Hiblot
2014-01-15 10:14 ` Nicolas Ferre
2014-01-15 11:31 ` Jean-Christophe PLAGNIOL-VILLARD
2014-01-09 12:31 ` [PATCH v2 02/12] at91: dt: sam9261: Basic Device Tree support for the at91sam9261ek Jean-Jacques Hiblot
2014-01-14 17:06 ` Nicolas Ferre [this message]
2014-01-09 12:31 ` [PATCH v2 03/12] at91: dt: sam9261: Added support for the lcd display Jean-Jacques Hiblot
2014-01-09 17:07 ` boris brezillon
2014-01-15 11:27 ` Jean-Christophe PLAGNIOL-VILLARD
2014-01-14 17:09 ` Nicolas Ferre
2014-01-09 12:31 ` [PATCH v2 04/12] at91: smc: export sam9_smc_cs_read and sam9_smc_cs_configure Jean-Jacques Hiblot
2014-01-09 12:31 ` [PATCH v2 05/12] at91: smc: Increased the size of tdf_cycles in struct sam9_smc_config Jean-Jacques Hiblot
2014-01-09 12:31 ` [PATCH v2 06/12] at91: smc: Adds helper functions to validate and clip the smc timings Jean-Jacques Hiblot
2014-01-15 9:44 ` Nicolas Ferre
2014-01-15 9:54 ` Jean-Jacques Hiblot
2014-01-15 10:18 ` Nicolas Ferre
2014-01-09 12:31 ` [PATCH v2 07/12] at91: dt: smc: Added smc bus driver Jean-Jacques Hiblot
2014-01-09 16:59 ` boris brezillon
2014-01-09 21:04 ` Jean-Jacques Hiblot
2014-01-10 11:01 ` Jean-Jacques Hiblot
2014-01-10 11:08 ` Jean-Jacques Hiblot
2014-01-11 8:06 ` boris brezillon
2014-01-14 14:20 ` Jean-Jacques Hiblot
2014-01-14 15:01 ` Nicolas Ferre
2014-02-07 8:42 ` Jean-Christophe PLAGNIOL-VILLARD
2014-01-09 12:31 ` [PATCH v2 08/12] at91: sam9261: Add a clock definition for the smc Jean-Jacques Hiblot
2014-01-09 12:31 ` [PATCH v2 09/12] at91: dt: sam9261: Pinmux DT entries for the SMC/EBI interface Jean-Jacques Hiblot
2014-01-15 11:25 ` Jean-Christophe PLAGNIOL-VILLARD
2014-01-09 12:31 ` [PATCH v2 10/12] at91: dt: sam9261: Add an entry in the DT for the SMC/EBI bus driver Jean-Jacques Hiblot
2014-01-09 12:31 ` [PATCH v2 11/12] at91: dt: sam9261: moved the NAND under the smc node Jean-Jacques Hiblot
2014-01-09 12:31 ` [PATCH v2 12/12] at91: dt: sam9261: Added DM9000 in the device tree Jean-Jacques Hiblot
2014-01-15 11:23 ` Jean-Christophe PLAGNIOL-VILLARD
2014-01-14 16:54 ` [PATCH v2 00/12] Device Tree support for the at91sam9261ek Nicolas Ferre
2014-01-15 8:34 ` Jean-Jacques Hiblot
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