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.pack...@alliedtelesis.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@f8244 {
+       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@f8244 {
+                               compatible = "marvell,mv98dx3236-soc-id";
+                               reg = <0xf8244 0x4>;
+                       };
+
                        dfx_coredivclk: corediv-clock@f8268 {
                                compatible = "marvell,mv98dx3236-corediv-clock";
                                reg = <0xf8268 0xc>;
-- 
2.11.0.24.ge6920cf

Reply via email to