linux-kernel - [PATCH v3 4/6] ARM: dts: mvebu: Add binding for mv98dx3236-soc-id

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Message-Id: <20170216085041.28337-5-chris.packham@alliedtelesis.co.nz>
Date:   Thu, 16 Feb 2017 21:50:38 +1300
From:   Chris Packham <chris.packham@...iedtelesis.co.nz>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Russell King <linux@...linux.org.uk>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 4/6] ARM: dts: mvebu: Add binding for mv98dx3236-soc-id

The DFX server on the 98dx3236 and compatible SoCs has an ID register.
Add documentation and a binding for this.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---

Notes:
    Changes in v3:
    - new, split from driver

 .../devicetree/bindings/arm/marvell/mv98dx3236-soc-id.txt  | 14 ++++++++++++++
 arch/arm/boot/dts/armada-xp-98dx3236.dtsi                  |  5 +++++
 2 files changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/marvell/mv98dx3236-soc-id.txt

diff --git a/Documentation/devicetree/bindings/arm/marvell/mv98dx3236-soc-id.txt b/Documentation/devicetree/bindings/arm/marvell/mv98dx3236-soc-id.txt
new file mode 100644
index 000000000000..ed08cb126a83
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/marvell/mv98dx3236-soc-id.txt
@@ -0,0 +1,14 @@
+Marvell 98dx3236 SoC ID
+---------------------------------------------------------------
+
+Required properties:
+
+- compatible: Should be "marvell,mv98dx3236-soc-id".
+
+- reg: should be the register base and length as documented in the
+  datasheet for the Device ID Status
+
+soc-id@...44 {
+	compatible = "marvell,mv98dx3236-soc-id";
+	reg = <0xf8244 0x4>;
+};
diff --git a/arch/arm/boot/dts/armada-xp-98dx3236.dtsi b/arch/arm/boot/dts/armada-xp-98dx3236.dtsi
index 5e7245524d46..6b81f7363d53 100644
--- a/arch/arm/boot/dts/armada-xp-98dx3236.dtsi
+++ b/arch/arm/boot/dts/armada-xp-98dx3236.dtsi
@@ -264,6 +264,11 @@
 			ranges = <0 MBUS_ID(0x08, 0x00) 0 0x100000>;
 			reg = <MBUS_ID(0x08, 0x00) 0 0x100000>;
 
+			soc-id@...44 {
+				compatible = "marvell,mv98dx3236-soc-id";
+				reg = <0xf8244 0x4>;
+			};
+
 			dfx_coredivclk: corediv-clock@...68 {
 				compatible = "marvell,mv98dx3236-corediv-clock";
 				reg = <0xf8268 0xc>;
-- 
2.11.0.24.ge6920cf