diff options
| author | Eric Lai <ericr_lai@compal.corp-partner.google.com> | 2021-04-27 16:16:39 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-04-29 05:25:33 +0000 |
| commit | 05877ee1d7e87063f7923467b94c5b3fd6d899ea (patch) | |
| tree | 8f9e62d119fbf8021ed195928b405fc62d767994 | |
| parent | 51c4d9fbfd9611978627ce6111b1083379a4b829 (diff) | |
mb/google/brya: Adjust WWAN power sequence
Follow L850GL spec to adjust power sequence. RST need to drive low
before power on then drive to high.
SPEC:FIBOCOM_L850-GL Hardware User Manual_V1.0.8
BUG=b:186374631
TEST=WWAN is detected by lsusb.
Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I13357677bb1ab185abf1d4c915a762a9d6894312
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52694
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
| -rw-r--r-- | src/mainboard/google/brya/variants/baseboard/gpio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/gpio.c b/src/mainboard/google/brya/variants/baseboard/gpio.c index 5811b58dfc..b7783c0ae2 100644 --- a/src/mainboard/google/brya/variants/baseboard/gpio.c +++ b/src/mainboard/google/brya/variants/baseboard/gpio.c @@ -388,6 +388,8 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_GPO(GPP_E0, 0, DEEP), /* E13 : THC0_SPI1_IO2 ==> MEM_CH_SEL */ PAD_CFG_GPI(GPP_E13, NONE, DEEP), + /* E16 : RSVD_TP ==> WWAN_RST_L */ + PAD_CFG_GPO(GPP_E16, 0, DEEP), /* E15 : RSVD_TP ==> PCH_WP_OD */ PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP), /* H10 : UART0_RXD ==> UART_PCH_RX_DBG_TX */ |