ARM: dts: mmp2: Add Audio SRAM

This memory is region is where the two-channel audio DMA can pump sound
samples into the SSPA's internal FIFO.

Link: https://lore.kernel.org/r/20200718205019.184927-6-lkundrak@v3.sk
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
index 9e77f68..da2c923 100644 (file)
--- a/arch/arm/boot/dts/mmp2.dtsi
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -413,6 +413,15 @@
                        };
                };
 
+               asram: sram@e0000000 {
+                       compatible = "mmio-sram";
+                       reg = <0xe0000000 0x10000>;
+                       ranges = <0 0xe0000000 0x10000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       status = "disabled";
+               };
+
                soc_clocks: clocks {
                        compatible = "marvell,mmp2-clock";
                        reg = <0xd4050000 0x2000>,