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authorRex-BC Chen <rex-bc.chen@mediatek.com>2021-06-15 20:19:01 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-06-17 17:03:34 +0000
commitbcf42fb7b1dcef7c616d3598fd947384dc78b916 (patch)
tree8dbc0d5fefd67f5370d21133e4087e065c728dcc /src
parente322772355132b6ad22e153181502c6877201f84 (diff)
mb/google/cherry: fix GPIO polarity for TPM interrupt
The GPIO_GSC_AP_INT itself is active low, but the payloads will create the IRQ using its eint driver, which is active high. BUG=b:188392736 Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: Ie39f3b9a5dbe15057ef3e96f6c99211949692003 Reviewed-on: https://review.coreboot.org/c/coreboot/+/55562 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/cherry/chromeos.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mainboard/google/cherry/chromeos.c b/src/mainboard/google/cherry/chromeos.c
index 8d4335492c..8f0e9aedf4 100644
--- a/src/mainboard/google/cherry/chromeos.c
+++ b/src/mainboard/google/cherry/chromeos.c
@@ -26,7 +26,11 @@ void fill_lb_gpios(struct lb_gpios *gpios)
{GPIO_SD_CD.id, ACTIVE_LOW, -1, "SD card detect"},
{GPIO_BEEP_ON.id, ACTIVE_HIGH, -1, "beep enable"},
{GPIO_EC_IN_RW.id, ACTIVE_LOW, -1, "EC in RW"},
- {GPIO_GSC_AP_INT.id, ACTIVE_LOW, -1, "TPM interrupt"},
+ /*
+ * The GPIO_GSC_AP_INT itself is active low, but the payloads will
+ * create the IRQ using its eint driver, which is active high.
+ */
+ {GPIO_GSC_AP_INT.id, ACTIVE_HIGH, -1, "TPM interrupt"},
{GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));