Add the on-chip SRAM present within the MCU domain as a mmio-sram node.
The K3 AM65x SoCs have 512 KB of such memory. Any specific memory range
within this RAM needed by a software module ought to be reserved using
an appropriate child node.
Signed-off-by: Suman Anna <s-anna@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 6f7d2b316ded..afc29eaa2638 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -17,6 +17,14 @@
power-domains = <&k3_pds 149>;
};
+ mcu_ram: sram@41c00000 {
+ compatible = "mmio-sram";
+ reg = <0x00 0x41c00000 0x00 0x80000>;
+ ranges = <0x0 0x00 0x41c00000 0x80000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+
mcu_i2c0: i2c@40b00000 {
compatible = "ti,am654-i2c", "ti,omap4-i2c";
reg = <0x0 0x40b00000 0x0 0x100>;
--
2.21.0
