From: Neil Armstrong <narmstrong@baylibre.com>
To: Lutz Koschorreck <theleks@ko-hh.de>,
Rob Herring <robh+dt@kernel.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: meson-sm1-odroid: fix boot loop after reboot
Date: Fri, 4 Feb 2022 09:18:04 +0100 [thread overview]
Message-ID: <5cbe1d1e-1e80-26d9-ec39-2137f7e9e576@baylibre.com> (raw)
In-Reply-To: <20220128193150.GA1304381@odroid-VirtualBox>
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@ko-hh.de>
> ---
> 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@baylibre.com>
next prev parent reply other threads:[~2022-02-04 8:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-28 19:31 [PATCH] arm64: dts: meson-sm1-odroid: fix boot loop after reboot Lutz Koschorreck
2022-02-04 8:18 ` Neil Armstrong [this message]
2022-02-04 8:23 ` Neil Armstrong
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