* [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: Fix SD regulator startup delay
@ 2024-10-24 13:06 Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 1/2] arm64: dts: freescale: imx8mm-verdin: " Francesco Dolcini
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Francesco Dolcini @ 2024-10-24 13:06 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Francesco Dolcini, devicetree, imx, linux-arm-kernel,
linux-kernel
From: Francesco Dolcini <francesco.dolcini@toradex.com>
The power switch used to power the SD card interface might have
more than 2ms turn-on time, increase the startup delay to 20ms to
prevent failures.
Francesco Dolcini (2):
arm64: dts: freescale: imx8mm-verdin: Fix SD regulator startup delay
arm64: dts: freescale: imx8mp-verdin: Fix SD regulator startup delay
arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 2 +-
arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--
2.39.5
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v1 1/2] arm64: dts: freescale: imx8mm-verdin: Fix SD regulator startup delay
2024-10-24 13:06 [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: Fix SD regulator startup delay Francesco Dolcini
@ 2024-10-24 13:06 ` Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 2/2] arm64: dts: freescale: imx8mp-verdin: " Francesco Dolcini
2024-11-02 3:03 ` [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: " Shawn Guo
2 siblings, 0 replies; 4+ messages in thread
From: Francesco Dolcini @ 2024-10-24 13:06 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Francesco Dolcini, devicetree, imx, linux-arm-kernel,
linux-kernel, stable
From: Francesco Dolcini <francesco.dolcini@toradex.com>
The power switch used to power the SD card interface might have
more than 2ms turn-on time, increase the startup delay to 20ms to
prevent failures.
Fixes: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini")
Cc: <stable@vger.kernel.org>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index c20c2da17524..01042c1e9e7d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -162,7 +162,7 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "+V3.3_SD";
- startup-delay-us = <2000>;
+ startup-delay-us = <20000>;
};
reserved-memory {
--
2.39.5
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v1 2/2] arm64: dts: freescale: imx8mp-verdin: Fix SD regulator startup delay
2024-10-24 13:06 [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: Fix SD regulator startup delay Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 1/2] arm64: dts: freescale: imx8mm-verdin: " Francesco Dolcini
@ 2024-10-24 13:06 ` Francesco Dolcini
2024-11-02 3:03 ` [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: " Shawn Guo
2 siblings, 0 replies; 4+ messages in thread
From: Francesco Dolcini @ 2024-10-24 13:06 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Francesco Dolcini, devicetree, imx, linux-arm-kernel,
linux-kernel, stable
From: Francesco Dolcini <francesco.dolcini@toradex.com>
The power switch used to power the SD card interface might have
more than 2ms turn-on time, increase the startup delay to 20ms to
prevent failures.
Fixes: a39ed23bdf6e ("arm64: dts: freescale: add initial support for verdin imx8m plus")
Cc: <stable@vger.kernel.org>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
index e9518b7c7aa8..b8c24fe228fa 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
@@ -175,7 +175,7 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "+V3.3_SD";
- startup-delay-us = <2000>;
+ startup-delay-us = <20000>;
};
reserved-memory {
--
2.39.5
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: Fix SD regulator startup delay
2024-10-24 13:06 [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: Fix SD regulator startup delay Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 1/2] arm64: dts: freescale: imx8mm-verdin: " Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 2/2] arm64: dts: freescale: imx8mp-verdin: " Francesco Dolcini
@ 2024-11-02 3:03 ` Shawn Guo
2 siblings, 0 replies; 4+ messages in thread
From: Shawn Guo @ 2024-11-02 3:03 UTC (permalink / raw)
To: Francesco Dolcini
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
Francesco Dolcini, devicetree, imx, linux-arm-kernel,
linux-kernel
On Thu, Oct 24, 2024 at 03:06:49PM +0200, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@toradex.com>
>
> The power switch used to power the SD card interface might have
> more than 2ms turn-on time, increase the startup delay to 20ms to
> prevent failures.
>
> Francesco Dolcini (2):
> arm64: dts: freescale: imx8mm-verdin: Fix SD regulator startup delay
> arm64: dts: freescale: imx8mp-verdin: Fix SD regulator startup delay
Applied both, thanks!
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-11-02 3:04 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2024-10-24 13:06 [PATCH v1 0/2] arm64: dts: freescale: imx8m[mp]-verdin: Fix SD regulator startup delay Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 1/2] arm64: dts: freescale: imx8mm-verdin: " Francesco Dolcini
2024-10-24 13:06 ` [PATCH v1 2/2] arm64: dts: freescale: imx8mp-verdin: " Francesco Dolcini
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