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authorRaul E Rangel <rrangel@chromium.org>2021-05-12 17:05:37 -0600
committerPatrick Georgi <pgeorgi@google.com>2021-05-20 08:01:19 +0000
commitcecadfd42afcb77b19040d957c72218962ffd726 (patch)
tree805987314baad096f57b25869cb0ae906685a329 /src/ec
parent9bf32b9701ddabb3a584f47247416b4a16d1902b (diff)
downloadcoreboot-cecadfd42afcb77b19040d957c72218962ffd726.tar.xz
ec/google/chromeec: Implement support for DRIVERS_ACPI_THERMAL_ZONE
This adds the required method to access temperature data from the ChromeEC. BUG=b:186166365 TEST=Boot guybrush to the OS and verify temperatures $ tail /sys/devices/virtual/thermal/thermal_zone*/temp ==> /sys/devices/virtual/thermal/thermal_zone0/temp <== 31900 ==> /sys/devices/virtual/thermal/thermal_zone1/temp <== 34900 ==> /sys/devices/virtual/thermal/thermal_zone2/temp <== 31900 ==> /sys/devices/virtual/thermal/thermal_zone3/temp <== 33900 Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I418b6691a7d00a4c2d89c9c1fe8f9416602be0f1 Reviewed-on: https://review.coreboot.org/c/coreboot/+/54133 Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/acpi/cros_ec.asl7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/cros_ec.asl b/src/ec/google/chromeec/acpi/cros_ec.asl
index 66f9a0a16c..5a9541349b 100644
--- a/src/ec/google/chromeec/acpi/cros_ec.asl
+++ b/src/ec/google/chromeec/acpi/cros_ec.asl
@@ -55,4 +55,11 @@ Device (CREC)
{
Return (0xB)
}
+
+#if CONFIG(DRIVERS_ACPI_THERMAL_ZONE)
+ Method(TMP, 1)
+ {
+ Return(^^TSRD(Arg0))
+ }
+#endif
}