[PATCH] arm64: dts: imx95-15x15-evk: Disable PCIe bus in the default dts

[Sherry Sun]

Disable PCIe bus in the default dts to avoid the shared regulatory
between SDIO and PCIe buses, the random probe order between the two
buses may break the PCIe initialization sequence which cause PCIe
devices has probability of failing to detect.

Enable the SDIO WiFi in the default imx95-15x15-evk.dts, and add a
separate imx95-15x15-evk-pcie.dtso to enable PCIe bus.

Signed-off-by: Sherry Sun <sherry.sun@xxxxxxx>
---
 arch/arm64/boot/dts/freescale/Makefile            |  5 ++++-
 .../boot/dts/freescale/imx95-15x15-evk-pcie.dtso  | 15 +++++++++++++++
 arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts |  2 +-
 3 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm64/boot/dts/freescale/imx95-15x15-evk-pcie.dtso

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index c4e790a268ae..505efc9ebd58 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -471,7 +471,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk-sof.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-toradex-smarc-dev.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-tqma9596sa-mb-smarc-2.dtb
 
-imx95-15x15-evk-pcie0-ep-dtbs = imx95-15x15-evk.dtb imx-pcie0-ep.dtbo
+imx95-15x15-evk-pcie-dtbs = imx95-15x15-evk.dtb imx95-15x15-evk-pcie.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-pcie.dtb
+
+imx95-15x15-evk-pcie0-ep-dtbs = imx95-15x15-evk-pcie.dtb imx-pcie0-ep.dtbo
 dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-pcie0-ep.dtb
 imx95-19x19-evk-pcie0-ep-dtbs += imx95-19x19-evk.dtb imx-pcie0-ep.dtbo
 imx95-19x19-evk-pcie1-ep-dtbs += imx95-19x19-evk.dtb imx-pcie1-ep.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk-pcie.dtso b/arch/arm64/boot/dts/freescale/imx95-15x15-evk-pcie.dtso
new file mode 100644
index 000000000000..42384e6233f3
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk-pcie.dtso
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 NXP
+ */
+
+/dts-v1/;
+/plugin/;
+
+&pcie0 {
+	status = "okay";
+};
+
+&usdhc3 {
+	status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 7eb12e7d5014..afd89ce3cc5b 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -557,7 +557,7 @@ &pcie0 {
 	vpcie-supply = <&reg_m2_pwr>;
 	vpcie3v3aux-supply = <&reg_m2_pwr>;
 	supports-clkreq;
-	status = "okay";
+	status = "disabled";
 };
 
 &pcie0_ep {
-- 
2.37.1