mb/google/dedede/var/blipper: Add camera support

Add camera support in devicetree and associated GPIO configuration.

BUG=b:181729304
BRANCH=dedede
TEST=built blipper firmware and verified camera function is OK

Change-Id: I806ec207a454d4383aca093159553b7e618e16b2
Signed-off-by: Zanxi Chen <chenzanxi@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51380
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

src/mainboard/google/dedede/variants/blipper/Makefile.inc

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+ramstage-y += gpio.c

src/mainboard/google/dedede/variants/blipper/gpio.c

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+/* Pad configuration in ramstage*/
+static const struct pad_config gpio_table[] = {
+	/* D13 : EN_PP2800_CAMERA */
+	PAD_CFG_GPO(GPP_D13, 1, PLTRST),
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}

src/mainboard/google/dedede/variants/blipper/overridetree.cb

@@ -36,7 +36,22 @@ chip soc/intel/jasperlake
 		},
 	}"
 
+	# USB Port Configuration
+	register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)"	# UF Camera
+
 	device domain 0 on
+		device pci 14.0 on
+			chip drivers/usb/acpi
+				device usb 0.0 on
+					chip drivers/usb/acpi
+						register "desc" = ""UFCamera""
+						register "type" = "UPC_TYPE_INTERNAL"
+						register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D13)"
+						device usb 2.5 on end
+					end
+				end
+			end
+		end # USB xHCI
 		device pci 15.0 on
 			chip drivers/i2c/generic
 				register "hid" = ""ELAN0000""