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authorIvy Jian <ivy.jian@quanta.corp-partner.google.com>2023-03-16 17:18:35 +0800
committerEric Lai <eric_lai@quanta.corp-partner.google.com>2023-03-20 01:23:30 +0000
commit665c58b77a6cab398d600a612d1c14d56a01fd9b (patch)
tree48948163f0f381fdb203b17a5e64a8f0f9926360 /src/mainboard/google/rex/variants
parentfc484bf2ae4df9c4ce49610821fe06b9e0a9f3b7 (diff)
mb/google/rex: Enable USB camera power
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>
Diffstat (limited to 'src/mainboard/google/rex/variants')
-rw-r--r--src/mainboard/google/rex/variants/rex0/overridetree.cb2
-rw-r--r--src/mainboard/google/rex/variants/rex0/variant.c15
2 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index bad123be54..d35eb36656 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -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
diff --git a/src/mainboard/google/rex/variants/rex0/variant.c b/src/mainboard/google/rex/variants/rex0/variant.c
index 6a79780f6e..3aec24b165 100644
--- a/src/mainboard/google/rex/variants/rex0/variant.c
+++ b/src/mainboard/google/rex/variants/rex0/variant.c
@@ -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);
+ }
+}