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authorSuman Anna <s-anna@ti.com>2019-06-05 11:34:32 -0500
committerTero Kristo <t-kristo@ti.com>2019-06-17 17:31:31 +0300
commitf853f00531646535c686b493d7826e69dd1a1b46 (patch)
tree1a6cf49b1fdd5963fbea0f3ae110176504d61e22 /arch/arm64/boot/dts/ti
parent0ded541218d142e9c64c42c8a91208a4d79eb541 (diff)
arm64: dts: ti: k3-am65-mcu: Add the MCU RAM node
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> Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti')
-rw-r--r--arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi8
1 files changed, 8 insertions, 0 deletions
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>;