mb/google/rex/var/rex0: probe for i2c1 touchscreen
Touchscreen may either use I2C1 or SPI0.
FW_CONFIG.TOUCHSCREEN is set to determine which is used.
This CL adds a probe to enable I2C1.
BUG=b:278783755
TEST=Tested on rex, confimed i2c1 is disabled when
TOUCHSCREEN != TOUCHSCREEN_I2C
Signed-off-by: Eran Mitrani <mitrani@google.com>
Change-Id: I0bee176298fddd2aee35cf084db037a3ce7672f7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75565
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 39a0a4d..d67794e 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -553,7 +553,9 @@
register "generic.stop_off_delay_ms" = "2"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"
- device i2c 10 on end
+ device i2c 10 on
+ probe TOUCHSCREEN TOUCHSCREEN_I2C
+ end
end
chip drivers/generic/gpio_keys
register "name" = ""PENH""