[PATCH 1/4] arm64: dts: ti: k3-am65: Use exact ranges for FSS node

Andrew Davis afd at ti.com
Tue Mar 26 13:59:17 PDT 2024


The FSS bus contains several register ranges. Using an empty
ranges property works but causes a DT warning when we give
this node an address. Fix this by explicitly defining the
memory ranges in use.

Signed-off-by: Andrew Davis <afd at ti.com>
---
 arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 6ff3ccc39fb44..babfcbb9ecf56 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -286,7 +286,11 @@ fss: bus at 47000000 {
 		compatible = "simple-bus";
 		#address-cells = <2>;
 		#size-cells = <2>;
-		ranges;
+		ranges = <0x0 0x47000000 0x0 0x47000000 0x0 0x100>, /* FSS Control */
+			 <0x0 0x47040000 0x0 0x47040000 0x0 0x100>, /* OSPI0 Control */
+			 <0x0 0x47050000 0x0 0x47050000 0x0 0x100>, /* OSPI1 Control */
+			 <0x5 0x00000000 0x5 0x00000000 0x1 0x0000000>, /* OSPI0 Memory */
+			 <0x7 0x00000000 0x7 0x00000000 0x1 0x0000000>; /* OSPI1 Memory */
 
 		ospi0: spi at 47040000 {
 			compatible = "ti,am654-ospi", "cdns,qspi-nor";
-- 
2.39.2




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