Messages in this thread Patch in this message | | | From | Eric Anholt <> | Subject | [PATCH v2 4/6] ARM: dts: bcm2835: Add VCHIQ node to the Raspberry Pi boards. | Date | Wed, 7 Mar 2018 10:57:14 -0800 |
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The VCHIQ firmware communication channel operates in parallel with our other mailbox-based channel. This is the communication channel that exposes the firmware's media decode/encode and ISP interfaces.
Signed-off-by: Eric Anholt <eric@anholt.net> ---
v2: dropped firmware property, added cache-line-size.
arch/arm/boot/dts/bcm2835-rpi.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index e36c392a2b8f..ba6dd25ac93f 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -27,6 +27,17 @@ firmware = <&firmware>; #power-domain-cells = <1>; }; + + vchiq@7e00b840 { + compatible = "brcm,bcm2835-vchiq"; + reg = <0x7e00b840 0xf>; + interrupts = <0 2>; + /* The VPU firmware will override this DT property + * (if present) with the L2 cache line size value it + * wants to use. + */ + cache-line-size = <32>; + }; }; }; -- 2.16.2
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