Merge tag 'u-boot-imx-next-20250617' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx into next

CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/26728

- Add support for imx28 BTT boards.

5 files changed, 117 insertions, 0 deletions

diff --git a/arch/arm/dts/imx28-btt3-0-u-boot.dtsi b/arch/arm/dts/imx28-btt3-0-u-boot.dtsi
new file mode 100644
index 00000000000..b128eef9e17
--- /dev/null
+++ b/arch/arm/dts/imx28-btt3-0-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2025
+ * Lukasz Majewski, DENX Software Engineering, [email protected]
+ */
+
+#include "imx28-btt3-u-boot.dtsi"
diff --git a/arch/arm/dts/imx28-btt3-1-u-boot.dtsi b/arch/arm/dts/imx28-btt3-1-u-boot.dtsi
new file mode 100644
index 00000000000..b128eef9e17
--- /dev/null
+++ b/arch/arm/dts/imx28-btt3-1-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2025
+ * Lukasz Majewski, DENX Software Engineering, [email protected]
+ */
+
+#include "imx28-btt3-u-boot.dtsi"
diff --git a/arch/arm/dts/imx28-btt3-2-u-boot.dtsi b/arch/arm/dts/imx28-btt3-2-u-boot.dtsi
new file mode 100644
index 00000000000..b128eef9e17
--- /dev/null
+++ b/arch/arm/dts/imx28-btt3-2-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2025
+ * Lukasz Majewski, DENX Software Engineering, [email protected]
+ */
+
+#include "imx28-btt3-u-boot.dtsi"
diff --git a/arch/arm/dts/imx28-btt3-u-boot.dtsi b/arch/arm/dts/imx28-btt3-u-boot.dtsi
new file mode 100644
index 00000000000..3569d29a737
--- /dev/null
+++ b/arch/arm/dts/imx28-btt3-u-boot.dtsi
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2025
+ * Lukasz Majewski, DENX Software Engineering, [email protected]
+ */
+
+/*
+ * The minimal augmentation DTS U-Boot file to allow eMMC driver
+ * configuration in SPL for falcon boot.
+ */
+#include "imx28-u-boot.dtsi"
+/ {
+	aliases {
+		/delete-property/ saif0;
+		/delete-property/ saif1;
+		/delete-property/ spi0;
+		/delete-property/ spi1;
+		/delete-property/ usbphy0;
+		/delete-property/ usbphy1;
+	};
+	apb@80000000 {
+		bootph-pre-ram;
+
+		apbh@80000000 {
+			bootph-pre-ram;
+		};
+
+		apbx@80040000 {
+			bootph-pre-ram;
+		};
+	};
+
+	/delete-node/ keypad;
+	/delete-node/ panel;
+	/delete-node/ sdio-pwrseq;
+	/delete-node/ sound;
+};
+
+&clks {
+	bootph-pre-ram;
+	status = "disable";
+};
+
+&duart {
+	/delete-property/ clocks;
+	bootph-pre-ram;
+	type = <1>; /* TYPE_PL011 */
+};
+
+&gpio0 {
+	bootph-pre-ram;
+};
+
+&gpio3 {
+	bootph-pre-ram;
+};
+
+&gpio4 {
+	bootph-pre-ram;
+};
+
+&pinctrl {
+	/delete-property/ pinctrl-names;
+	/delete-property/ pinctrl-0;
+	bootph-pre-ram;
+};
+
+&ssp0 {
+	bootph-pre-ram;
+};
+
+&ssp3 {
+	num-cs = <2>;
+	spi-max-frequency = <40000000>;
+	bootph-pre-ram;
+};
+
+/delete-node/ &hog_pins_a;
+/delete-node/ &keypad_pins_bttc;
+/delete-node/ &lcdif;
+/delete-node/ &lcdif_sync_pins_bttc;
+/delete-node/ &pwm;
+/delete-node/ &saif0;
+/delete-node/ &saif1;
+/delete-node/ &ssp1;
+/delete-node/ &ssp2;
+/delete-node/ &usb0;
+/delete-node/ &usb1;
+/delete-node/ &usbphy0;
+/delete-node/ &usbphy1;
diff --git a/arch/arm/mach-imx/mxs/Kconfig b/arch/arm/mach-imx/mxs/Kconfig
index d2e4205c5ce..b134d04b210 100644
--- a/arch/arm/mach-imx/mxs/Kconfig
+++ b/arch/arm/mach-imx/mxs/Kconfig
@@ -38,6 +38,11 @@ choice
 	prompt "MX28 board select"
 	optional
 
+config TARGET_BTT
+	bool "Support BTT"
+	select PL01X_SERIAL
+	imply OF_UPSTREAM
+
 config TARGET_MX28EVK
 	bool "Support mx28evk"
 	select PL01X_SERIAL
@@ -70,6 +75,7 @@ config SPL_MXS_PMU_ENABLE_4P2_LINEAR_REGULATOR
 	  from VDD5V) - so the VDD4P2 power source is operational.
 
 source "board/freescale/mx28evk/Kconfig"
+source "board/liebherr/btt/Kconfig"
 source "board/liebherr/xea/Kconfig"
 
 endif