On Sun, Mar 11, 2018 at 02:53:02PM +0100, Linus Walleij wrote:
> The Versatile board can be equipped with a interface board
> just named "IB2". This was created in the early 2000s for
> prototyping GSM candybar phone form factor products.
>
> The IB2 board contains:
> - Cascaded interrupt controller
> - Enfora Enabler GSM0308 quad-band module with antenna and
> separate audio jack
> - Keypad with joystick
> - Sanyo 2.5" color display
> - A 28-pin connector for mounting a camera
>
> This adds a DTS file for the combination of the Versatile AB
> with an IB2 daughterboard mounted, making the LED blink and
> making the system controller available for drivers, such as
> the panel driver.
>
> The device tree bindings already exist in
> Documentation/devicetree/bindings/arm/arm-boards.
>
> Cc: Liviu Dudau <liviu.dudau@xxxxxxx>
> Cc: Mali DP Maintainers <malidp@xxxxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
<joke_mode>
Is this part of some master plan to increase the value of all the old
hardware that you have before selling it with the "works on mainline
Linux" feature? I'm not sure I can find any of this hardware in Arm.
</joke_mode>
Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Again, lacking hardware to test.
Best regards,
Liviu
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/versatile-ab-ib2.dts | 26 ++++++++++++++++++++++++++
> 2 files changed, 27 insertions(+)
> create mode 100644 arch/arm/boot/dts/versatile-ab-ib2.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index ade7a38543dc..850f36902b81 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1047,6 +1047,7 @@ dtb-$(CONFIG_ARCH_UNIPHIER) += \
> uniphier-sld8-ref.dtb
> dtb-$(CONFIG_ARCH_VERSATILE) += \
> versatile-ab.dtb \
> + versatile-ab-ib2.dtb \
> versatile-pb.dtb
> dtb-$(CONFIG_ARCH_VEXPRESS) += \
> vexpress-v2p-ca5s.dtb \
> diff --git a/arch/arm/boot/dts/versatile-ab-ib2.dts b/arch/arm/boot/dts/versatile-ab-ib2.dts
> new file mode 100644
> index 000000000000..5890cb974f78
> --- /dev/null
> +++ b/arch/arm/boot/dts/versatile-ab-ib2.dts
> @@ -0,0 +1,26 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * The Versatile AB with the IB2 expansion board mounted.
> + * This works as a superset of the Versatile AB.
> + */
> +
> +#include "versatile-ab.dts"
> +
> +/ {
> + model = "ARM Versatile AB + IB2 board";
> +
> + /* Special IB2 control register */
> + ib2_syscon@27000000 {
> + compatible = "arm,versatile-ib2-syscon", "syscon", "simple-mfd";
> + reg = <0x27000000 0x4>;
> +
> + led@00.4 {
> + compatible = "register-bit-led";
> + offset = <0x00>;
> + mask = <0x10>;
> + label = "versatile-ib2:0";
> + linux,default-trigger = "heartbeat";
> + default-state = "on";
> + };
> + };
> +};
> --
> 2.14.3
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
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