arm64: tegra: Enable cros-ec-spi as wake source

The cros_ec driver currently assumes that cros-ec-spi compatible device
nodes are a wakeup-source even though the wakeup-source property is not
defined.

Some Chromebooks use a separate wake pin, while others overload the
interrupt for wake and IO. With the current assumption, spurious wakes
can occur on systems that use a separate wake pin. It is planned to
update the driver to no longer assume that the EC interrupt pin should
be enabled for wake.

Add the wakeup-source property to all cros-ec-spi compatible device
nodes to signify to the driver that they should still be a valid wakeup
source.

Signed-off-by: Mark Hasemeyer <markhas@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

This commit is contained in:

Mark Hasemeyer

2024-01-02 14:07:37 -07:00

committed by

Thierry Reding

parent 6613476e22

commit 341233b839

1 changed files with 1 additions and 0 deletions

									
										arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
									
		+1
		
												View File
												
				@@ -762,6 +762,7 @@

							interrupt-parent = <&gpio>;

							interrupts = <TEGRA_GPIO(C, 7) IRQ_TYPE_LEVEL_LOW>;

							reg = <0>;

							wakeup-source;

							google,cros-ec-spi-msg-delay = <2000>;