mb/google/dedede/var/sasukette: Adding LTE module support into devicetree and

associated GPIO configuartion

Adding LTE module support into devicetree and associated GPIO configuartion.

BUG=b:177385043
BRANCH=dedede
TEST=LTE function is OK

Signed-off-by: Tao Xia <xiatao5@huaqin.corp-partner.google.com>
Change-Id: I4d91045176fd6413ac6a5eed70289a5668e5b94f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50985
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
This commit is contained in:
Tao Xia 2021-02-20 17:59:37 +08:00 committed by Patrick Georgi
parent e747e8557e
commit 096426b457
4 changed files with 44 additions and 0 deletions

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@ -1,3 +1,5 @@
## SPDX-License-Identifier: GPL-2.0-or-later ## SPDX-License-Identifier: GPL-2.0-or-later
ramstage-y += gpio.c ramstage-y += gpio.c
smm-y += variant.c

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@ -5,8 +5,17 @@
/* Pad configuration in ramstage*/ /* Pad configuration in ramstage*/
static const struct pad_config gpio_table[] = { static const struct pad_config gpio_table[] = {
/* A10 : WWAN_EN */
PAD_CFG_GPO(GPP_A10, 1, PWROK),
/* B7 : PCIE_CLKREQ2_N ==> WWAN_SAR_DETECT_ODL*/
PAD_CFG_GPI_IRQ_WAKE(GPP_B7, NONE, DEEP, LEVEL, INVERT),
/* D15 : EN_PP3300_CAMERA */ /* D15 : EN_PP3300_CAMERA */
PAD_CFG_GPO(GPP_D15, 1, PLTRST), PAD_CFG_GPO(GPP_D15, 1, PLTRST),
/* H17 : WWAN_RST_L */
PAD_CFG_GPO(GPP_H17, 0, PLTRST),
}; };
const struct pad_config *variant_override_gpio_table(size_t *num) const struct pad_config *variant_override_gpio_table(size_t *num)

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@ -51,6 +51,16 @@ chip soc/intel/jasperlake
register "enable_delay_ms" = "20" register "enable_delay_ms" = "20"
device usb 2.5 on end device usb 2.5 on end
end end
chip drivers/usb/acpi
register "desc" = ""LTE""
register "type" = "UPC_TYPE_INTERNAL"
register "has_power_resource" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H17)"
register "reset_off_delay_ms" = "20"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10)"
register "enable_delay_ms" = "20"
device usb 3.3 on end
end
end end
end end
end # USB xHCI end # USB xHCI

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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <delay.h>
#include <gpio.h>
static void power_off_lte_module(void)
{
gpio_output(GPP_H17, 0);
mdelay(20);
gpio_output(GPP_A10, 0);
}
void variant_smi_sleep(u8 slp_typ)
{
/*
* Once the FW_CONFIG is provisioned, power off LTE module only under
* the situation where it is stuffed.
*/
if (slp_typ == ACPI_S5)
power_off_lte_module();
}