[XS] Change in coreboot[main]: mb/google/rex/var/rex0: Update NVM configuration for WFC

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/78211?usp=email )

(

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/rex/var/rex0: Update NVM configuration for WFC
......................................................................

mb/google/rex/var/rex0: Update NVM configuration for WFC

This updates NVM Configuration according to EEPROM BRCA016GWZ-W
datasheet for rex World Facing Camera module - O9B13-NT01BA to
enumerate Camera module properly.

BUG=b:301226048
TEST=Build rex0 and check SSDT table is updated correctly. Check
"cros-camera-tool modules list" lists up the modules properly.
cros-camera-tool modules list:
/sys/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-PRP0001:01/i2c-PRP0001:011/nvmem
/sys/devices/pci0000:00/0000:00:19.1/i2c_designware.4/i2c-13/i2c-PRP0001:03/i2c-PRP0001:032/nvmem
[ {
   "module_id": "KC6977",
   "sensor_id": "OV013b",
   "sysfs_name": "i2c-0/i2c-PRP0001:01"
}, {
   "module_id": "CH3c6d",
   "sensor_id": "HN0556",
   "sysfs_name": "i2c-13/i2c-PRP0001:03"
} ]

Change-Id: I51bdf249549d3e03180e9d126a85e9dff91028db
Signed-off-by: Jamie Ryu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78211
Reviewed-by: Kiran2 Kumar 
Tested-by: build bot (Jenkins) 
Reviewed-by: Subrata Banik 
---
M src/mainboard/google/rex/variants/rex0/overridetree.cb
1 file changed, 3 insertions(+), 3 deletions(-)

Approvals:
  Subrata Banik: Looks good to me, approved
  build bot (Jenkins): Verified
  Kiran2 Kumar: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 034a694..6df91f3 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -543,12 +543,12 @@
    			register "chip_name" = ""ST M24C64X""
    			register "device_type" = "INTEL_ACPI_CAMERA_NVM"

-				register "nvm_compat" = ""atmel,24c64""
+				register "nvm_compat" = ""atmel,24c16""

-				register "nvm_size" = "0x2000"
+				register "nvm_size" = "0x0800"
    			register "nvm_pagesize" = "0x01"
    			register "nvm_readonly" = "0x01"
-				register "nvm_width" = "0x10"
+				register "nvm_width" = "0x08"

register "max_dstate_for_probe" = "ACPI_DEVICE_SLEEP_D0"