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[2/4] arm64: dts: ti: k3-am65-mcu: Add the MCU RAM node

Message ID 20190605163434.23173-3-s-anna@ti.com (mailing list archive)
State New, archived
Headers show
Series Add MCU SRAM nodes for TI K3 SoCs | expand

Commit Message

Suman Anna June 5, 2019, 4:34 p.m. UTC 
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@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

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>;