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ARM: dts: bcm2835: make the firmware node into a bus 

This allows adding devices for which the firmware exposes control interface
via the mailbox. An example of such device is the GPIO expander.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Baruch Siach 2018-02-20 14:19:34 +02:00 committed by Eric Anholt
parent 79c81facdc
commit b0c07c5af6
1 changed files with 3 additions and 1 deletions
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4
arch/arm/boot/dts/bcm2835-rpi.dtsi
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@ -18,7 +18,9 @@ act {
soc {
firmware: firmware {
compatible = "raspberrypi,bcm2835-firmware";
compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
#address-cells = <0>;
#size-cells = <0>;
mboxes = <&mailbox>;
};