[PATCH 4/8] ARM: dts: aspeed: ampere: Declare SPI NOR flashes on boards

Jacky Huang jackyhuang at nvidia.com
Thu Aug 13 03:22:29 PDT 2026


Declare jedec,spi-nor flash nodes with the properties previously
inherited from aspeed-g6.dtsi stubs. Keep status = "okay" so these
boards stay enabled while the SoC stubs still exist.

Signed-off-by: Jacky Huang <jackyhuang at nvidia.com>
---
 .../boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts    | 9 +++++++++
 .../arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts
index 53b4372f1a08..44332d1ba9f9 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts
@@ -149,18 +149,24 @@ &mac3 {
 &fmc {
 	status = "okay";
 	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
 		status = "okay";
 		m25p,fast-read;
 		label = "bmc";
 		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <2>;
 #include "openbmc-flash-layout-64.dtsi"
 	};
 
 	flash at 1 {
+		compatible = "jedec,spi-nor";
+		reg = <1>;
 		status = "okay";
 		m25p,fast-read;
 		label = "alt-bmc";
 		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <2>;
 #include "openbmc-flash-layout-64-alt.dtsi"
 	};
 };
@@ -171,10 +177,13 @@ &spi1 {
 	pinctrl-0 = <&pinctrl_spi1_default>;
 
 	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
 		status = "okay";
 		m25p,fast-read;
 		label = "pnor";
 		spi-max-frequency = <20000000>;
+		spi-rx-bus-width = <2>;
 	};
 };
 
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
index 2b336aa0146d..cd7cd012d295 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
@@ -379,18 +379,24 @@ &mac3 {
 &fmc {
 	status = "okay";
 	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
 		status = "okay";
 		m25p,fast-read;
 		label = "bmc";
 		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <2>;
 #include "openbmc-flash-layout-64.dtsi"
 	};
 
 	flash at 1 {
+		compatible = "jedec,spi-nor";
+		reg = <1>;
 		status = "okay";
 		m25p,fast-read;
 		label = "alt-bmc";
 		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <2>;
 #include "openbmc-flash-layout-64-alt.dtsi"
 	};
 };
@@ -401,10 +407,13 @@ &spi1 {
 	pinctrl-0 = <&pinctrl_spi1_default>;
 
 	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
 		status = "okay";
 		m25p,fast-read;
 		label = "pnor";
 		spi-max-frequency = <20000000>;
+		spi-rx-bus-width = <2>;
 	};
 };
 
-- 
2.43.0




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