diff options
| author | Baruch Siach <baruch@tkos.co.il> | 2018-02-20 14:19:34 +0200 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2018-02-22 11:32:29 -0800 |
| commit | b0c07c5af6d286f3d3b907743998e9d41f6ab042 (patch) | |
| tree | da48de3a9b355b38c97ecadf9284a821398139a8 /arch | |
| parent | 79c81facdc0b43b1cef37b8d5689a8c8b78f8be0 (diff) | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index e36c392a2b8f..0198bd46ef7c 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -18,7 +18,9 @@ soc { firmware: firmware { - compatible = "raspberrypi,bcm2835-firmware"; + compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; + #address-cells = <0>; + #size-cells = <0>; mboxes = <&mailbox>; }; |