Hi,
On 28/01/2022 20:31, Lutz Koschorreck wrote:
Since the correct gpio pin is used for enabling tf-io regulator the
system did not boot correctly after calling reboot.
[ 36.862443] reboot: Restarting system
bl31 reboot reason: 0xd
bl31 reboot reason: 0x0
system cmd 1.
SM1:BL:511f6b:81ca2f;FEAT:A0F83180:20282000;POC:B;RCY:0;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:0;READ:0;0.0;CHK:0;
bl2_stage_init 0x01
bl2_stage_init 0x81
hw id:▒SM1:BL:511f6b:81ca2f;FEAT:A0F83180:20282000;POC:B;RCY:0;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:400;USB:8;LOOP:1;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:400;USB:8;LOOP:2;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:400;USB:8;LOOP:3;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:400;USB:8;LOOP:4;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:400;USB:8;LOOP:5;SPINOR:0;CHK:1F;EMMC:800;NAND:81;SD?:0;SD:400;USB:8;
Setting the gpio to open drain solves the issue.
Fixes: 1f80a5cf74a6 ("arm64: dts: meson-sm1-odroid: add missing enable gpio and supply for tf_io regulator")
Signed-off-by: Lutz Koschorreck <theleks@xxxxxxxx>
---
arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
index ed7cd5f53046..ddb1b345397f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
@@ -48,7 +48,7 @@ tf_io: gpio-regulator-tf_io {
regulator-max-microvolt = <3300000>;
vin-supply = <&vcc_5v>;
- enable-gpio = <&gpio_ao GPIOE_2 GPIO_ACTIVE_HIGH>;
+ enable-gpio = <&gpio_ao GPIOE_2 GPIO_OPEN_DRAIN>;
enable-active-high;
regulator-always-on;
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
