Add the RAM managed by the Multicore Shared Memory Controller (MSMC)
as a mmio-sram node. The 66AK2H SoCs have 6 MB of such memory. Any
specific MSM memory range needed by a software module ought to be
reserved using an appropriate child node.

Signed-off-by: Suman Anna <s-a...@ti.com>
---
v2: No code changes, SoC name in commit message corrected to use 66AK2H

 arch/arm/boot/dts/keystone-k2hk.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/keystone-k2hk.dtsi 
b/arch/arm/boot/dts/keystone-k2hk.dtsi
index 8f67fa8df936..39e88d815235 100644
--- a/arch/arm/boot/dts/keystone-k2hk.dtsi
+++ b/arch/arm/boot/dts/keystone-k2hk.dtsi
@@ -46,6 +46,14 @@
        soc {
                /include/ "keystone-k2hk-clocks.dtsi"
 
+               msm_ram: msmram@0c000000 {
+                       compatible = "mmio-sram";
+                       reg = <0x0c000000 0x600000>;
+                       ranges = <0x0 0x0c000000 0x600000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+               };
+
                dspgpio0: keystone_dsp_gpio@02620240 {
                        compatible = "ti,keystone-dsp-gpio";
                        gpio-controller;
-- 
2.10.2

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