2021-09-14 00:57:07

by Heiko Thiery

Subject: [PATCH] arm64: dts: imx8mq-kontron-pitx-imx8m: remove vqmmc-supply node

The sw4 output (V_1V8_S0 voltage) from the PMIC is also used as supply
for the eMMC. This voltage can not be changed and is not allowed to
switched off. So we do not want to provide this regulator to the SDHC
driver to control this voltage.

Signed-off-by: Heiko Thiery <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts | 1 -
1 file changed, 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts b/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts
index f593e4ff62e1..436d98135ba9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts
@@ -348,7 +348,6 @@
pinctrl-0 = <&pinctrl_usdhc1>;
pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
- vqmmc-supply = <&sw4_reg>;
bus-width = <8>;
non-removable;
no-sd;
--
2.20.1

2021-09-14 01:17:10

by Fabio Estevam

Subject: Re: [PATCH] arm64: dts: imx8mq-kontron-pitx-imx8m: remove vqmmc-supply node

Hi Heiko,

On Mon, Sep 13, 2021 at 4:16 PM Heiko Thiery <[email protected]> wrote:
>
> The sw4 output (V_1V8_S0 voltage) from the PMIC is also used as supply
> for the eMMC. This voltage can not be changed and is not allowed to
> switched off. So we do not want to provide this regulator to the SDHC
> driver to control this voltage.

A Fixes tag would be appropriate here.
> Signed-off-by: Heiko Thiery <[email protected]>