From 1307ce836673bc0bcdf8174d61be9a042f3e61e9 Mon Sep 17 00:00:00 2001
From: Ian Feng <ian_feng@compal.corp-partner.google.com>
Date: Thu, 23 Jun 2022 14:43:05 +0800
Subject: [PATCH] mb/google/nissa/var/xivu: Add MIPI WFC support

Add MIPI WFC based on schematics

BUG=b:236576117, b:235446911
BRANCH=None
TEST=emerge-nissa coreboot

Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Change-Id: I85bd2ba187729a55c00369b218ca0414e0162b9e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65334
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
---
 src/mainboard/google/brya/Kconfig.name        |  1 +
 .../google/brya/variants/xivu/overridetree.cb | 87 ++++++++++++++++++-
 2 files changed, 87 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 6f44e2edf6..78e44fc447 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -255,3 +255,4 @@ config BOARD_GOOGLE_XIVU
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select DRIVERS_GENERIC_GPIO_KEYS
 	select DRIVERS_GENESYSLOGIC_GL9750
+	select DRIVERS_INTEL_MIPI_CAMERA
diff --git a/src/mainboard/google/brya/variants/xivu/overridetree.cb b/src/mainboard/google/brya/variants/xivu/overridetree.cb
index 2e8bf377ed..3dc5fa7651 100644
--- a/src/mainboard/google/brya/variants/xivu/overridetree.cb
+++ b/src/mainboard/google/brya/variants/xivu/overridetree.cb
@@ -23,11 +23,24 @@ chip soc/intel/alderlake
 	#|                   | required to set up a BAR  |
 	#|                   | for TPM communication     |
 	#| I2C1              | Touchscreen               |
-	#| I2C2              |                           |
+	#| I2C2              | WCAM                      |
 	#| I2C3              | Audio                     |
 	#| I2C5              | Trackpad                  |
 	#+-------------------+---------------------------+
         device domain 0 on
+        	device ref ipu on
+			chip drivers/intel/mipi_camera
+				register "acpi_uid" = "0x50000"
+				register "acpi_name" = ""IPU0""
+				register "device_type" = "INTEL_ACPI_CAMERA_CIO2"
+
+				register "cio2_num_ports" = "1"
+				register "cio2_lanes_used" = "{4}" # 4 CSI Camera lanes are used
+				register "cio2_lane_endpoint[0]" = ""^I2C2.CAM0""
+				register "cio2_prt[0]" = "2"
+				device generic 0 on end
+			end
+		end
 		device ref i2c1 on
 			chip drivers/i2c/hid
 				register "generic.hid" = ""ELAN9008""
@@ -63,6 +76,78 @@ chip soc/intel/alderlake
 				end
 			end
 		end
+		device ref i2c2 on
+			chip drivers/intel/mipi_camera
+				register "acpi_hid" = ""OVTI8856""
+				register "acpi_uid" = "0"
+				register "acpi_name" = ""CAM0""
+				register "chip_name" = ""Ov 8856 Camera""
+				register "device_type" = "INTEL_ACPI_CAMERA_SENSOR"
+
+				register "ssdb.lanes_used" = "4"
+				register "ssdb.link_used" = "1"
+				register "ssdb.vcm_type" = "0x0C"
+				register "vcm_name" = ""VCM0""
+				register "num_freq_entries" = "2"
+				register "link_freq[0]" = "360000000"
+				register "link_freq[1]" = "180000000"
+				register "remote_name" = ""IPU0""
+
+				register "has_power_resource" = "1"
+				#Controls
+				register "clk_panel.clks[0].clknum" = "IMGCLKOUT_3"
+				register "clk_panel.clks[0].freq" = "FREQ_19_2_MHZ"
+
+				register "gpio_panel.gpio[0].gpio_num" = "GPP_D15"  # EN_PP2800_WCAM_X
+				register "gpio_panel.gpio[1].gpio_num" = "GPP_D16"  # EN_PP1800_PP1200_WCAM_X
+				register "gpio_panel.gpio[2].gpio_num" = "GPP_D3"   # WCAM_RST_L
+
+				#_ON
+				register "on_seq.ops_cnt" = "5"
+				register "on_seq.ops[0]" = "SEQ_OPS_CLK_ENABLE(0, 0)"
+				register "on_seq.ops[1]" = "SEQ_OPS_GPIO_ENABLE(0, 5)"
+				register "on_seq.ops[2]" = "SEQ_OPS_GPIO_ENABLE(1, 5)"
+				register "on_seq.ops[3]" = "SEQ_OPS_GPIO_DISABLE(2, 5)"
+				register "on_seq.ops[4]" = "SEQ_OPS_GPIO_ENABLE(2, 5)"
+
+				#_OFF
+				register "off_seq.ops_cnt" = "4"
+				register "off_seq.ops[0]" = "SEQ_OPS_CLK_DISABLE(0, 0)"
+				register "off_seq.ops[1]" = "SEQ_OPS_GPIO_DISABLE(2, 0)"
+				register "off_seq.ops[2]" = "SEQ_OPS_GPIO_DISABLE(1, 0)"
+				register "off_seq.ops[3]" = "SEQ_OPS_GPIO_DISABLE(0, 0)"
+
+				device i2c 36 on end
+			end
+			chip drivers/intel/mipi_camera
+				register "acpi_uid" = "3"
+				register "acpi_name" = ""VCM0""
+				register "chip_name" = ""DW AF DAC""
+				register "device_type" = "INTEL_ACPI_CAMERA_VCM"
+
+				register "pr0" = ""\\_SB.PCI0.I2C2.CAM0.PRIC""
+				register "vcm_compat" = ""dongwoon,dw9714""
+
+				device i2c 0C on end
+			end
+			chip drivers/intel/mipi_camera
+				register "acpi_hid" = "ACPI_DT_NAMESPACE_HID"
+				register "acpi_uid" = "1"
+				register "acpi_name" = ""NVM0""
+				register "chip_name" = ""GT24C08""
+				register "device_type" = "INTEL_ACPI_CAMERA_NVM"
+
+				register "pr0" = ""\\_SB.PCI0.I2C2.CAM0.PRIC""
+
+				register "nvm_size" = "0x2000"
+				register "nvm_pagesize" = "1"
+				register "nvm_readonly" = "1"
+				register "nvm_width" = "0x10"
+				register "nvm_compat" = ""atmel,24c08""
+
+				device i2c 50 on end
+			end
+		end
 		device ref i2c3 on
 			chip drivers/i2c/generic
 				register "hid" = ""RTL5682""