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mvebu: gl-mv1000: add devicetree patch for sdhci1

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GL-MV1000 external SD controller was broken by a recent kernel update
due to a mistake in Device Tree: "regulator-gpio" was defined without
required "gpios" property.

Removing this regulator definition from the device tree fixes this issue
without any side effects so far.

"main" branch uses upstream devicetree for this device, so add a kernel
patch for the "mvebu" kernel family.

Relevant discussions:
https://github.com/openwrt/openwrt/issues/20309
https://github.com/openwrt/openwrt/pull/20378

Signed-off-by: Mikhail Zadorozhnyi <zador.blood.stained+git@protonmail.com>
Link: https://github.com/openwrt/openwrt/pull/20390
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Mikhail Zadorozhnyi 2025-10-12 17:52:35 +03:00 committed by Robert Marko
parent 8ad5f35a90
commit 6f2325b23d
1 changed files with 53 additions and 0 deletions
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53
target/linux/mvebu/patches-6.12/326-arm64-dts-marvell-glinet-mv1000-fix-sdhci1.patch Normal file
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@ -0,0 +1,53 @@
From 5f20749c2dbbbc0f4f3c5bd1c4067388ab760960 Mon Sep 17 00:00:00 2001
From: Mikhail Zadorozhnyi <zador.blood.stained+git@protonmail.com>
Date: Sat, 11 Oct 2025 20:22:07 +0300
Subject: [PATCH] arm64: dts: marvell: fix sdhci1 controller for gl-mv1000
GL-MV1000 external SD controller was broken by a recent kernel update
due to a mistake in Device Tree: "regulator-gpio" was defined without
required "gpios" property.
Since "no-1-8-v" property is also defined for this controller
a switchable vqmmc-supply regulator performs no function - a fixed 3.3V
IO voltage will always be used.
This regulator definition was probably added by mistake from a Device
Tree from another device.
Remove incomplete vcc_sd_reg1 regulator definition to fix this issue.
Signed-off-by: Mikhail Zadorozhnyi <zador.blood.stained+git@protonmail.com>
---
.../boot/dts/marvell/armada-3720-gl-mv1000.dts | 14 --------------
1 file changed, 14 deletions(-)
--- a/arch/arm64/boot/dts/marvell/armada-3720-gl-mv1000.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-gl-mv1000.dts
@@ -26,19 +26,6 @@
reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
};
- vcc_sd_reg1: regulator {
- compatible = "regulator-gpio";
- regulator-name = "vcc_sd1";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
- regulator-boot-on;
-
- gpios-states = <0>;
- states = <1800000 0x1
- 3300000 0x0>;
- enable-active-high;
- };
-
keys {
compatible = "gpio-keys";
@@ -135,7 +122,6 @@
cd-gpios = <&gpionb 17 GPIO_ACTIVE_LOW>;
marvell,pad-type = "sd";
no-1-8-v;
- vqmmc-supply = <&vcc_sd_reg1>;
status = "okay";
};