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mb/google/rex: Enable USB camera power

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Add enable_gpio for USB power resource

BUG=b:273891168
TEST=Able to detect USB CAM

Signed-off-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Change-Id: I08ebe560c8b75c8b590c889b7b90dbe678318d2a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73754
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Ivy Jian
2023-03-16 17:18:35 +08:00
committed by Eric Lai
parent fc484bf2ae
commit 665c58b77a
2 changed files with 17 additions and 0 deletions
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2
src/mainboard/google/rex/variants/rex0/overridetree.cb
View File

@@ -194,6 +194,8 @@ chip soc/intel/meteorlake
chip drivers/usb/acpi
register "desc" = ""USB2 Camera""
register "type" = "UPC_TYPE_INTERNAL"
register "has_power_resource" = "1"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B09)"
device ref usb2_port6 on
probe UFC UFC_USB
end

15
src/mainboard/google/rex/variants/rex0/variant.c
View File

@@ -1,8 +1,23 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpigen.h>
#include <baseboard/variants.h>
#include <fw_config.h>
#include <sar.h>
#include <variant/gpio.h>
const char *get_wifi_sar_cbfs_filename(void)
{
return "wifi_sar_0.hex";
}
void variant_generate_s0ix_hook(enum s0ix_entry entry)
{
if (entry == S0IX_ENTRY) {
if (fw_config_probe(FW_CONFIG(UFC, UFC_USB)))
acpigen_soc_clear_tx_gpio(GPP_B09);
} else if (entry == S0IX_EXIT) {
if (fw_config_probe(FW_CONFIG(UFC, UFC_USB)))
acpigen_soc_set_tx_gpio(GPP_B09);
}
}