* [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: devicetree, Fabio Estevam, Adam Ford, Sascha Hauer, aford,
linux-kernel, Rob Herring, NXP Linux Team,
Pengutronix Kernel Team, Shawn Guo
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
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^ 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: Devicetree List, Fabio Estevam, Sascha Hauer, aford,
Linux Kernel Mailing List, Rob Herring, NXP Linux Team,
Pengutronix Kernel Team, Shawn Guo, linux-arm-kernel
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>
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^ 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: Devicetree List, Fabio Estevam, Sascha Hauer, aford,
Linux Kernel Mailing List, Rob Herring, NXP Linux Team,
Pengutronix Kernel Team, Adam Ford, linux-arm-kernel
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
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 3+ messages in thread
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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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