Message ID | 20240417084902.13904-1-eichest@gmail.com |
---|---|
State | Accepted |
Commit | 45d14c0120537a6fda4968d33bf57bfdef53e5f5 |
Delegated to: | Fabio Estevam |
Headers | show |
Series | [v1] arm: dts: verdin-imx8mm/imx8mp: use gpio-hog for sleep moci | expand |
On Wed, Apr 17, 2024 at 5:49 AM Stefan Eichenberger <eichest@gmail.com> wrote: > > From: Stefan Eichenberger <stefan.eichenberger@toradex.com> > > In Linux, we allow sleep moci to be turned off when the carrier board > supports it and the system is in suspend. In U-Boot, however, we want > the sleep moci to be always on. So we use a gpio hog and disable the > regulator. This change is necessary because we switched to upstream > device tree files with commit 23fe2def1edf > ("verdin-imx8mm/verdin-imx8mp: move imx verdins to OF_UPSTREAM"). A > recent upstream patch removes the gpio hog from the Linux device tree, > so we need to add it to the u-boot dtsi. The following patch will remove > the gpio hog from the Linux device tree: > https://lore.kernel.org/linux-devicetree/20240405160720.5977-1-eichest@gmail.com/ > The U-Boot patch can be applied without it and will not break the build. > > Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com> Applied, thanks.
diff --git a/arch/arm/dts/imx8mm-verdin-wifi-dev-u-boot.dtsi b/arch/arm/dts/imx8mm-verdin-wifi-dev-u-boot.dtsi index 38db56059d..8b397f535c 100644 --- a/arch/arm/dts/imx8mm-verdin-wifi-dev-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-verdin-wifi-dev-u-boot.dtsi @@ -60,6 +60,11 @@ ctrl-sleep-moci-hog { bootph-pre-ram; + gpio-hog; + output-high; + gpios = <1 GPIO_ACTIVE_HIGH>; + line-name = "CTRL_SLEEP_MOCI#"; + }; }; diff --git a/arch/arm/dts/imx8mp-verdin-wifi-dev-u-boot.dtsi b/arch/arm/dts/imx8mp-verdin-wifi-dev-u-boot.dtsi index 03f211d5f7..7b45a87450 100644 --- a/arch/arm/dts/imx8mp-verdin-wifi-dev-u-boot.dtsi +++ b/arch/arm/dts/imx8mp-verdin-wifi-dev-u-boot.dtsi @@ -58,6 +58,10 @@ ctrl-sleep-moci-hog { bootph-pre-ram; + gpio-hog; + output-high; + gpios = <29 GPIO_ACTIVE_HIGH>; + line-name = "CTRL_SLEEP_MOCI#"; }; };