linux-kernel - [PATCH 2/2] syscon: dt-bindings: Add binding document for iProc MHB block

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Date:   Wed,  6 Sep 2017 17:27:42 -0700
From:   Ray Jui <ray.jui@...adcom.com>
To:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ray Jui <ray.jui@...adcom.com>
Subject: [PATCH 2/2] syscon: dt-bindings: Add binding document for iProc MHB block

Add binding document for Broadcom iProc's Multi-Host Bridge (MHB)
block

Signed-off-by: Ray Jui <ray.jui@...adcom.com>
Reviewed-by: Scott Branden <scott.branden@...adcom.com>
---
 .../devicetree/bindings/mfd/brcm,iproc-mhb.txt         | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/brcm,iproc-mhb.txt

diff --git a/Documentation/devicetree/bindings/mfd/brcm,iproc-mhb.txt b/Documentation/devicetree/bindings/mfd/brcm,iproc-mhb.txt
new file mode 100644
index 0000000..4421e97
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/brcm,iproc-mhb.txt
@@ -0,0 +1,18 @@
+Broadcom iProc Multi Host Bridge (MHB)
+
+Certain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls
+the connection and configuration of 1) internal PCIe serdes; 2) PCIe endpoint
+interface; 3) access to the Nitro (network processing) engine
+
+This node allows access to these MHB registers via syscon.
+
+Required properties:
+- compatible: should contain:
+		"brcm,sr-mhb", "syscon" for Stingray
+- reg: base address and range of the MHB registers
+
+Example:
+	mhb: syscon@...01000 {
+		compatible = "brcm,sr-mhb", "syscon";
+		reg = <0 0x60401000 0 0x38c>;
+	};
-- 
2.1.4