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* [PATCH] arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2
@ 2020-05-26 17:09 Adam Ford
  2020-05-26 17:43 ` Daniel Baluta
  0 siblings, 1 reply; 3+ messages in thread
From: Adam Ford @ 2020-05-26 17:09 UTC (permalink / raw)
  To: linux-arm-kernel
  Cc: aford, Adam Ford, Rob Herring, Shawn Guo, Sascha Hauer,
	Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
	devicetree, linux-kernel

LDO1 and LDO2 settings are wrong and case the voltage to go above the
maximum level of 2.15V permitted by the SoC to 3.0V.

This patch is based on work done on the i.MX8M Mini-EVK which utilizes
the same fix.

Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")

Signed-off-by: Adam Ford <aford173@gmail.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
index fb0137a8611c..94911b1707ef 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
@@ -136,7 +136,7 @@
 
 			ldo1_reg: LDO1 {
 				regulator-name = "LDO1";
-				regulator-min-microvolt = <3000000>;
+				regulator-min-microvolt = <1600000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
@@ -144,7 +144,7 @@
 
 			ldo2_reg: LDO2 {
 				regulator-name = "LDO2";
-				regulator-min-microvolt = <900000>;
+				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <900000>;
 				regulator-boot-on;
 				regulator-always-on;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2
  2020-05-26 17:09 [PATCH] arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2 Adam Ford
@ 2020-05-26 17:43 ` Daniel Baluta
  2020-06-18 14:35   ` Shawn Guo
  0 siblings, 1 reply; 3+ messages in thread
From: Daniel Baluta @ 2020-05-26 17:43 UTC (permalink / raw)
  To: Adam Ford
  Cc: linux-arm-kernel, aford, Rob Herring, Shawn Guo, Sascha Hauer,
	Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
	Devicetree List, Linux Kernel Mailing List

On Tue, May 26, 2020 at 8:11 PM Adam Ford <aford173@gmail.com> wrote:
>
> LDO1 and LDO2 settings are wrong and case the voltage to go above the
> maximum level of 2.15V permitted by the SoC to 3.0V.
>
> This patch is based on work done on the i.MX8M Mini-EVK which utilizes
> the same fix.
>
> Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")
>
> Signed-off-by: Adam Ford <aford173@gmail.com>
No need for a new line between fixes and signed-off-by.

With that:

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2
  2020-05-26 17:43 ` Daniel Baluta
@ 2020-06-18 14:35   ` Shawn Guo
  0 siblings, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2020-06-18 14:35 UTC (permalink / raw)
  To: Daniel Baluta
  Cc: Adam Ford, linux-arm-kernel, aford, Rob Herring, Sascha Hauer,
	Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
	Devicetree List, Linux Kernel Mailing List

On Tue, May 26, 2020 at 08:43:24PM +0300, Daniel Baluta wrote:
> On Tue, May 26, 2020 at 8:11 PM Adam Ford <aford173@gmail.com> wrote:
> >
> > LDO1 and LDO2 settings are wrong and case the voltage to go above the
> > maximum level of 2.15V permitted by the SoC to 3.0V.
> >
> > This patch is based on work done on the i.MX8M Mini-EVK which utilizes
> > the same fix.
> >
> > Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")
> >
> > Signed-off-by: Adam Ford <aford173@gmail.com>
> No need for a new line between fixes and signed-off-by.

I fixed it up and applied the patch.

> 
> With that:
> 
> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>

Thanks.

Shawn

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-06-18 14:36 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-26 17:09 [PATCH] arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2 Adam Ford
2020-05-26 17:43 ` Daniel Baluta
2020-06-18 14:35   ` Shawn Guo

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