ARM: dts: keystone-k2g: Add PMMC node to support TI-SCI protocol

Texas Instrument's System Control Interface (TI-SCI) Message Protocol
is implemented in Keystone 2 generation 66AK2G SoC with the PMMC entity.

Add the ti-sci node representing this 66AK2G PMMC module.

Signed-off-by: Nishanth Menon <nm@ti.com>
[s-anna@ti.com: add unit address to DT node]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>

diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi
index a789f75..7f0f418 100644 (file)
--- a/arch/arm/boot/dts/keystone-k2g.dtsi
+++ b/arch/arm/boot/dts/keystone-k2g.dtsi
@@ -139,5 +139,19 @@
                        interrupts = <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>;
                };
+
+               pmmc: pmmc@02921c00 {
+                       compatible = "ti,k2g-sci";
+                       /*
+                        * In case of rare platforms that does not use k2g as
+                        * system master, use /delete-property/
+                        */
+                       ti,system-reboot-controller;
+                       mbox-names = "rx", "tx";
+                       mboxes= <&msgmgr 5 2>,
+                               <&msgmgr 0 0>;
+                       reg-names = "debug_messages";
+                       reg = <0x02921c00 0x400>;
+               };
        };
 };