ARM: dts: keystone-k2e: Add MSM RAM node

Add the RAM managed by the Multicire Shared Memory Controller (MSMC)
as a mmio-sram node. The 66AK2E SoCs have 2 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-anna@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>

diff --git a/arch/arm/boot/dts/keystone-k2e.dtsi b/arch/arm/boot/dts/keystone-k2e.dtsi
index 497c417db5b641ecba3760dc23977f1d42251d16..256dcc87f36a1e6746edd428556904191fcc927e 100644 (file)
--- a/arch/arm/boot/dts/keystone-k2e.dtsi
+++ b/arch/arm/boot/dts/keystone-k2e.dtsi
@@ -82,6 +82,14 @@
                        };
                };
 
+               msm_ram: msmram@0c000000 {
+                       compatible = "mmio-sram";
+                       reg = <0x0c000000 0x200000>;
+                       ranges = <0x0 0x0c000000 0x200000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+               };
+
                dspgpio0: keystone_dsp_gpio@02620240 {
                        compatible = "ti,keystone-dsp-gpio";
                        gpio-controller;