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Message-Id: <20180305202806.21219-4-eric@anholt.net>
Date: Mon, 5 Mar 2018 12:28:04 -0800
From: Eric Anholt <eric@...olt.net>
To: Florian Fainelli <f.fainelli@...il.com>,
Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Phil Elwell <phil@...pberrypi.org>
Cc: linux-rpi-kernel@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Stefan Wahren <stefan.wahren@...e.com>,
bcm-kernel-feedback-list@...adcom.com,
Eric Anholt <eric@...olt.net>
Subject: [PATCH 3/5] dt-bindings: soc: Add a binding for the Broadcom VCHI services.
The VCHI communication channel can be provided by BCM283x and Capri
SoCs, to communicate with the VPU-side OS services.
Signed-off-by: Eric Anholt <eric@...olt.net>
---
.../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
new file mode 100644
index 000000000000..4055a8977f3e
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt
@@ -0,0 +1,18 @@
+Broadcom VCHIQ firmware services
+
+Required properties:
+
+- compatible: Should be "brcm,bcm2835-vchiq"
+- reg: Physical base address and length of the doorbell register pair
+- interrupts: The interrupt number
+ See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
+- firmware: Reference to the RPi firmware device node
+
+Example:
+
+vchi@...0b840 {
+ compatible = "brcm,bcm2835-vchiq";
+ reg = <0x7e00b840 0xf>;
+ interrupts = <0 2>;
+ firmware = <&firmware>;
+};
--
2.16.2
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