diff --git a/WHENCE b/WHENCE
index 57d4e1f5..b116359d 100644
--- a/WHENCE
+++ b/WHENCE
@@ -3072,6 +3072,7 @@ Link: brcm/brcmfmac43455-sdio.raspberrypi,5-compute-module.txt -> brcmfmac43455-
 Link: brcm/brcmfmac43455-sdio.Raspberry\ Pi\ Foundation-Raspberry\ Pi\ 4\ Model\ B.txt -> brcmfmac43455-sdio.raspberrypi,4-model-b.txt
 Link: brcm/brcmfmac43455-sdio.Raspberry\ Pi\ Foundation-Raspberry\ Pi\ Compute\ Module\ 4.txt -> brcmfmac43455-sdio.raspberrypi,4-model-b.txt
 File: "brcm/brcmfmac43455-sdio.MINIX-NEO Z83-4.txt"
+File: "brcm/brcmfmac43455-sdio.Radxa-ROCK Pi X.txt"
 File: "brcm/brcmfmac4356-pcie.gpd-win-pocket.txt"
 File: "brcm/brcmfmac4356-pcie.Intel Corporation-CHERRYVIEW D1 PLATFORM.txt"
 File: "brcm/brcmfmac4356-pcie.Xiaomi Inc-Mipad2.txt"
diff --git a/brcm/brcmfmac43455-sdio.Radxa-ROCK Pi X.txt b/brcm/brcmfmac43455-sdio.Radxa-ROCK Pi X.txt
new file mode 100644
index 00000000..513d4bcd
--- /dev/null
+++ b/brcm/brcmfmac43455-sdio.Radxa-ROCK Pi X.txt	
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0+
+# (C) Copyright 2021 Radxa Computer
+# NVRAM config file for the BCM43454-based AP6254 WiFi/BT module found on
+# Radxa Rock Pi X Single Board Computer
+#NVRAMRev=$Rev: 498373 $
+sromrev=11
+vendid=0x14e4
+devid=0x43ab
+manfid=0x2d0
+prodid=0x06e4
+macaddr=00:90:4c:c5:12:38
+nocrc=1
+boardtype=0x6e4
+boardrev=0x1304
+xtalfreq=37400
+#boardflags: 5GHz eTR switch by default
+#2.4GHz eTR switch by default
+#bit1 for btcoex
+boardflags=0x00480201
+boardflags2=0x40800000
+boardflags3=0x48200100
+rxgains2gelnagaina0=0
+rxgains2gtrisoa0=0
+rxgains2gtrelnabypa0=0
+rxgains5gelnagaina0=0
+rxgains5gtrisoa0=0
+rxgains5gtrelnabypa0=0
+rxchain=1
+txchain=1
+aa2g=1
+aa5g=1
+tssipos5g=1
+tssipos2g=1
+femctrl=0
+AvVmid_c0=0,157,1,126,1,126,1,126,1,126
+pa2ga0=-174,5359,-625
+pa2ga1=-165,3699,-515
+pa5ga0=-170,4905,-598,-178,4859,-602,-175,5091,-616,-179,4950,-613
+pa5ga1=-161,3544,-499,-166,3543,-497,-169,3569,-497,-171,3598,-498
+itrsw=1
+pdoffset2g40ma0=10
+pdoffset40ma0=0xaaaa
+pdoffset80ma0=0xaaaa
+extpagain5g=2
+extpagain2g=2
+tworangetssi2g=1
+tworangetssi5g=1
+# LTECX flags
+# WCI2
+ltecxmux=0
+ltecxpadnum=0x0504
+ltecxfnsel=0x22
+ltecxgcigpio=0x32
+maxp2ga0=64
+cckdigfilttype=5
+ofdmlrbw202gpo=0x0033
+dot11agofdmhrbw202gpo=0x1553
+mcsbw202gpo=0x99355533
+#maxp5ga0=80,82,76,77
+maxp5ga0=74,82,76,77
+mcsbw205glpo=0x99766000
+mcsbw205gmpo=0x9dbaa000
+mcsbw205ghpo=0x99977000
+mcsbw405glpo=0xb8655000
+mcsbw405gmpo=0xeda55000
+mcsbw405ghpo=0xd9855000
+mcsbw805glpo=0xc8555000
+mcsbw805gmpo=0xe9555000
+mcsbw805ghpo=0xd9555000
+swctrlmap_2g=0x00040004,0x00020002,0x00040004,0x010a02,0x3ff
+swctrlmap_5g=0x00100010,0x00200020,0x00100010,0x010a02,0x3fe
+swctrlmapext_5g=0x00000000,0x00000000,0x00000000,0x000000,0x003
+swctrlmapext_2g=0x00000000,0x00000000,0x00000000,0x000000,0x003
+vcodivmode=1
+deadman_to=481500000
+ed_thresh2g=-54
+ed_thresh5g=-54
+muxenab=0x10