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-rw-r--r--arch/arm/dts/mt8371-genio-520-evk-u-boot.dtsi3
-rw-r--r--arch/arm/dts/mt8371-genio-common-u-boot.dtsi28
-rw-r--r--arch/arm/dts/mt8391-genio-720-evk-u-boot.dtsi3
-rw-r--r--board/mediatek/MAINTAINERS3
4 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/dts/mt8371-genio-520-evk-u-boot.dtsi b/arch/arm/dts/mt8371-genio-520-evk-u-boot.dtsi
new file mode 100644
index 00000000000..a69e2db5a04
--- /dev/null
+++ b/arch/arm/dts/mt8371-genio-520-evk-u-boot.dtsi
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+
+#include "mt8371-genio-common-u-boot.dtsi"
diff --git a/arch/arm/dts/mt8371-genio-common-u-boot.dtsi b/arch/arm/dts/mt8371-genio-common-u-boot.dtsi
new file mode 100644
index 00000000000..b7a0c0a82a7
--- /dev/null
+++ b/arch/arm/dts/mt8371-genio-common-u-boot.dtsi
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Copyright (C) 2026 MediaTek Inc.
+ */
+
+&mmc1 {
+ /* U-Boot driver doesn't support UHS yet. */
+ /delete-property/ sd-uhs-sdr50;
+ /delete-property/ sd-uhs-sdr104;
+ mmc-no-1-8-v;
+};
+
+/*
+ * Needed to trigger U-Boot auto-set-voltage. Default voltages for these
+ * supplies at boot are incorrect and U-Boot MMC drivers don't set them.
+ */
+
+&mt6359_vpa_buck_reg {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+};
+
+&mt6359_vsim1_ldo_reg {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+};
diff --git a/arch/arm/dts/mt8391-genio-720-evk-u-boot.dtsi b/arch/arm/dts/mt8391-genio-720-evk-u-boot.dtsi
new file mode 100644
index 00000000000..a69e2db5a04
--- /dev/null
+++ b/arch/arm/dts/mt8391-genio-720-evk-u-boot.dtsi
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+
+#include "mt8371-genio-common-u-boot.dtsi"
diff --git a/board/mediatek/MAINTAINERS b/board/mediatek/MAINTAINERS
index 113e48a67f0..c342ff24330 100644
--- a/board/mediatek/MAINTAINERS
+++ b/board/mediatek/MAINTAINERS
@@ -1,6 +1,9 @@
MT8189/MT8371/MT8391 EVK
M: Macpaul Lin <[email protected]>
S: Maintained
+F: arch/arm/dts/mt8371-genio-520-evk-u-boot.dtsi
+F: arch/arm/dts/mt8371-genio-common-u-boot.dtsi
+F: arch/arm/dts/mt8391-genio-720-evk-u-boot.dtsi
F: configs/mt8189.config
F: configs/mt8371_genio_520_evk_defconfig
F: configs/mt8391_genio_720_evk_defconfig