diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-12-18 13:54:42 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2024-02-03 12:40:33 +0800 |
| commit | d78dd8472e52ecbfe3b37233ce02e6d94dbb57d3 (patch) | |
| tree | 1267c1f6f5f88dd239bae0a1af22c713851dc68d /arch/arm | |
| parent | 90ca55dc1382887f9e63460dca092b9b7a79db03 (diff) | |
ARM: dts: imx7-mba7: Mark gpio-buttons as wakeup-source
I2C expander is capable of generating an IRQ during powersave, so the
attached buttons can be used for waking up the system.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi index 2aef830cf1f2..bc5d2e4f0eb1 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi @@ -32,11 +32,18 @@ gpio_buttons: gpio-keys { compatible = "gpio-keys"; + /* + * NOTE: These buttons are attached to a GPIO-expander. + * Enabling wakeup-source, enables wakeup on all inputs. + * If PE_GPIO[3..6] are used as inputs, they cause a + * wakeup as well. + */ button-0 { /* #SWITCH_A */ label = "S11"; linux,code = <KEY_1>; gpios = <&pca9555 13 GPIO_ACTIVE_LOW>; + wakeup-source; }; button-1 { @@ -44,6 +51,7 @@ label = "S12"; linux,code = <KEY_2>; gpios = <&pca9555 14 GPIO_ACTIVE_LOW>; + wakeup-source; }; button-2 { @@ -51,6 +59,7 @@ label = "S13"; linux,code = <KEY_3>; gpios = <&pca9555 15 GPIO_ACTIVE_LOW>; + wakeup-source; }; }; |