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arm64: dts: librem5-devkit: allow modem to wake the system from suspend

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Connect the WoWWAN signal to a gpio key to wake up the system from suspend.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Angus Ainslie (Purism) 2020-02-27 14:17:29 +01:00 committed by Shawn Guo
parent 7f7b799717
commit 3ef506b3e6
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
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@ -55,6 +55,15 @@ hp-det {
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 @@ pinctrl_gpio_keys: gpiokeygrp {
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 */
>;
};