Re: [PATCH v1 3/6] arm64: dts: imx8mq-librem5: wire up the wifi regulator
From: Shawn Guo <shawnguo@kernel.org>
Date: 2021-10-04 12:01:06
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linux-devicetree, lkml, phone-devel
On Mon, Sep 13, 2021 at 03:57:03PM +0200, Martin Kepplinger wrote:
quoted hunk ↗ jump to hunk
From: Guido Günther <agx@sigxcpu.org> Connect the wifi power regulator to the corresponding GPIO. Signed-off-by: Guido Günther <agx@sigxcpu.org> Signed-off-by: Martin Kepplinger <redacted> --- arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+)diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index ba26c6ee98a0..b5562c8f9a3c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi@@ -138,9 +138,15 @@ reg_vsys_3v4: regulator-vsys-3v4 { reg_wifi_3v3: regulator-wifi-3v3 { compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wifi_pwr>; regulator-name = "3V3_WIFI"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; + gpio = <&gpio3 10 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <®_vdd_3v3>; + regulator-always-on;
Any reason you need to have this always-on? Shawn
quoted hunk ↗ jump to hunk
}; sound {@@ -638,6 +644,13 @@ MX8MQ_IOMUXC_SD2_RESET_B_USDHC2_RESET_B 0xc1 >; }; + pinctrl_wifi_pwr: wifipwrgrp { + fsl,pins = < + /* WIFI3V3_EN */ + MX8MQ_IOMUXC_NAND_DATA04_GPIO3_IO10 0x83 + >; + }; + pinctrl_wdog: wdoggrp { fsl,pins = < /* nWDOG */-- 2.30.2
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