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@xxxxxxxxxx>
---
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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