[PATCH v4 4/8] arm64: dts: librem5-devkit: allow modem to wake the system from suspend
From: Martin Kepplinger <hidden>
Date: 2020-02-27 13:18:06
Also in:
linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: "Angus Ainslie (Purism)" <redacted> Connect the WoWWAN signal to a gpio key to wake up the system from suspend. Signed-off-by: Angus Ainslie (Purism) <redacted> Signed-off-by: Martin Kepplinger <redacted> --- .../arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index 84443e4857d5..823d5c60a8fa 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts@@ -55,6 +55,15 @@ wakeup-source; linux,code = <KEY_HP>; }; + + wwan-wake { + label = "WWAN_WAKE"; + gpios = <&gpio3 8 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio3>; + interrupts = <8 GPIO_ACTIVE_LOW>; + wakeup-source; + linux,code = <KEY_PHONE>; + }; }; leds {
@@ -576,6 +585,7 @@ MX8MQ_IOMUXC_SAI2_RXFS_GPIO4_IO21 0x16 MX8MQ_IOMUXC_SAI2_RXC_GPIO4_IO22 0x16 MX8MQ_IOMUXC_SAI5_RXC_GPIO3_IO20 0x180 /* HP_DET */ + MX8MQ_IOMUXC_NAND_DATA02_GPIO3_IO8 0x80 /* nWoWWAN */ >; };
--
2.20.1
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