commit d710c6d5a773e74be953bc57671c56b6286f0823
author Tony Huang <tony-huang@quanta.corp-partner.google.com> Thu Aug 10 13:39:06 2023 +0800
committer Martin L Roth <gaumless@gmail.com> Sun Aug 13 02:36:46 2023 +0000
tree 1dbc865cf12c32b3abc805b413a4fe5565dfecf3
parent 65b0723bfbaff1a9302615b4dddb34919e4b4b13

mb/google/nissa/var/yavilla: Adjust WLAN_PERST_L power sequence

With this change TPERST_HIGH could met spec.

Before
    160ms

After
    460ms(met spec min=400ms)

BUG=b:295277868
TEST=emerge coreboot
     EE measured power sequence met spec
     boot to system and check wifi connection is fine

Change-Id: Ifb909a55b36f2366132c3e20021c4bde4bc87a05
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77117
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>

src/mainboard/google/brya/variants/yavilla/gpio.c

diff --git a/src/mainboard/google/brya/variants/yavilla/gpio.c b/src/mainboard/google/brya/variants/yavilla/gpio.c
index fb7577f..d33e588 100644
--- a/src/mainboard/google/brya/variants/yavilla/gpio.c
+++ b/src/mainboard/google/brya/variants/yavilla/gpio.c
@@ -52,7 +52,7 @@
 	/* D6  : WWAN_EN */
 	PAD_CFG_GPO(GPP_D6, 0, DEEP),
 	/* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
-	PAD_CFG_GPO(GPP_H20, 0, DEEP),
+	PAD_CFG_GPO(GPP_H20, 1, DEEP),
 	/* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
 	PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
 	/* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */