[S] Change in coreboot[master]: mb/google/rex: Configure EN_DMIC_SOC_DATA to GPO and LOW

[Martin L Roth (Code Review)]

Martin L Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/71631 )

Change subject: mb/google/rex: Configure EN_DMIC_SOC_DATA to GPO and LOW
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mb/google/rex: Configure EN_DMIC_SOC_DATA to GPO and LOW

This patch configures GPP_H15 (EN_DMIC_SOC_DATA) as GPO and put into
safe state aka LOW/PD.

BUG=b:263411621
TEST=Able to build and boot Google, Rex to ChromeOS.

Signed-off-by: Subrata Banik 
Change-Id: I3d376f895b2f0882c9fa6fe7b98686907bde4321
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71631
Reviewed-by: Eric Lai 
Reviewed-by: Ivy Jian 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rex/variants/rex0/gpio.c
1 file changed, 22 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Eric Lai: Looks good to me, approved
  Ivy Jian: Looks good to me, approved

diff --git a/src/mainboard/google/rex/variants/rex0/gpio.c b/src/mainboard/google/rex/variants/rex0/gpio.c
index 7e04869..01fa95d 100644
--- a/src/mainboard/google/rex/variants/rex0/gpio.c
+++ b/src/mainboard/google/rex/variants/rex0/gpio.c
@@ -317,8 +317,8 @@
    PAD_CFG_NF(GPP_H13, NONE, DEEP, NF1),
    /* GPP_H14 : [] ==> SLP_S0_GATE_R */
    PAD_CFG_GPO(GPP_H14, 1, PLTRST),
-	/* GPP_H15 : net NC is not present in the given design */
-	PAD_NC(GPP_H15, NONE),
+	/* GPP_H15 : [] ==> EN_DMIC_SOC_DATA */
+	PAD_CFG_GPO(GPP_H15, 0, PLTRST),
    /* GPP_H16 : [] ==> DDIB_HDMI_CTRLCLK*/
    PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
    /* GPP_H17 : [] ==> DDIB_HDMI_CTRLDATA */