[XS] Change in coreboot[main]: mb/google/rex/var/karis: Set touchscreen power/reset GPIOs correctly

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/78254?usp=email )

Change subject: mb/google/rex/var/karis: Set touchscreen power/reset GPIOs correctly
......................................................................

mb/google/rex/var/karis: Set touchscreen power/reset GPIOs correctly

The tochscreen isn't powered on yet when the detection is done, it
makes touchscren no function.

Set touchscreen power and reset GPIOs correctly in romstage and
ramstage to make the detect feature works.

BUG=b:303130400
TEST=(1) emerge-rex coreboot
     (2) Test on karis, touchscreen function works

Change-Id: I6c7815b81eb47fb41e58233fde512ac6b9c000a7
Signed-off-by: Tyler Wang 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78254
Reviewed-by: Subrata Banik 
Reviewed-by: Matt DeVillier 
Reviewed-by: Eric Lai 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rex/variants/karis/gpio.c
1 file changed, 6 insertions(+), 2 deletions(-)

Approvals:
  Matt DeVillier: Looks good to me, approved
  build bot (Jenkins): Verified
  Eric Lai: Looks good to me, approved
  Subrata Banik: Looks good to me, approved

diff --git a/src/mainboard/google/rex/variants/karis/gpio.c b/src/mainboard/google/rex/variants/karis/gpio.c
index 4e5eb68..2a94cae 100644
--- a/src/mainboard/google/rex/variants/karis/gpio.c
+++ b/src/mainboard/google/rex/variants/karis/gpio.c
@@ -96,9 +96,9 @@
    PAD_NC(GPP_B23, NONE),

/* GPP_C00 : [] ==> EN_TCHSCR_PWR */
-	PAD_CFG_GPO(GPP_C00, 0, DEEP),
+	PAD_CFG_GPO(GPP_C00, 1, DEEP),
    /* GPP_C01 : [] ==>  SOC_TCHSCR_RST_R_L */
-	PAD_CFG_GPO(GPP_C01, 0, DEEP),
+	PAD_CFG_GPO(GPP_C01, 1, DEEP),
    /* GPP_C02 : SOC_TCHSCR_SPI_INT_STRAP ==> Component NC */
    PAD_NC(GPP_C02, NONE),
    /* GPP_C03 : [] ==> Test pad. */
@@ -399,6 +399,10 @@
    PAD_CFG_GPO(GPP_A20, 0, DEEP),
    /* GPP_C23 : [] ==> FP_RST_ODL */
    PAD_CFG_GPO(GPP_C23, 0, DEEP),
+	/* GPP_C00 : [] ==> EN_TCHSCR_PWR */
+	PAD_CFG_GPO(GPP_C00, 1, DEEP),
+	/* GPP_C01 : [] ==> SOC_TCHSCR_RST_R_L */
+	PAD_CFG_GPO(GPP_C01, 0, DEEP),
    /* GPP_D02 : Not Connected */
    PAD_NC(GPP_D02, NONE),
 };