diff --git a/overlay-debs/linux-rb1/linux_6.15.3-1~qcom1.debdiff b/overlay-debs/linux-rb1/linux_6.15.3-1~qcom1.debdiff
new file mode 100644
index 0000000..efaeb5f
--- /dev/null
+++ b/overlay-debs/linux-rb1/linux_6.15.3-1~qcom1.debdiff
@@ -0,0 +1,106 @@
+diff -Nru linux-6.15.3/debian/changelog linux-6.15.3/debian/changelog
+--- linux-6.15.3/debian/changelog	2025-06-19 22:00:04.000000000 +0000
++++ linux-6.15.3/debian/changelog	2025-06-25 18:08:37.000000000 +0000
+@@ -1,3 +1,13 @@
++linux (6.15.3-1~qcom1) trixie; urgency=medium
++
++  * [arm64] Enable Qualcomm RB1 boards (qrb2210-rb1) and other QCM2290 based
++    platforms with CLK_QCM2290_GPUCC=m, QCOM_CLK_SMD_RPM=y,
++    RPMSG_QCOM_GLINK_SMEM=y, QCOM_SMD_RPM=y, QCM_GCC_2290=y,
++    QCM_GCC_2290=y, QCOM_APCS_IPC=y, PINCTRL_QCM2290=y, QCOM_SMEM=y; disable
++    the now obsolete RPMSG_QCOM_SMD and drop qcom_smd from kernel-image udeb.
++
++ -- Loic Minier <loic.minier@oss.qualcomm.com>  Wed, 25 Jun 2025 18:08:37 +0000
++
+ linux (6.15.3-1~exp1) experimental; urgency=medium
+ 
+   * New upstream stable update:
+diff -Nru linux-6.15.3/debian/config/arm64/config linux-6.15.3/debian/config/arm64/config
+--- linux-6.15.3/debian/config/arm64/config	2025-06-19 16:10:05.000000000 +0000
++++ linux-6.15.3/debian/config/arm64/config	2025-06-25 18:01:19.000000000 +0000
+@@ -187,6 +187,7 @@
+ CONFIG_COMMON_CLK_SCPI=m
+ CONFIG_COMMON_CLK_SI5341=y
+ CONFIG_COMMON_CLK_FSL_SAI=y
++CONFIG_CLK_QCM2290_GPUCC=m
+ CONFIG_CLK_QORIQ=y
+ CONFIG_CLK_LS1028A_PLLDIG=y
+ CONFIG_COMMON_CLK_XGENE=y
+@@ -364,7 +365,7 @@
+ CONFIG_QCOM_CLK_APCS_MSM8916=m
+ CONFIG_QCOM_CLK_APCC_MSM8996=m
+ CONFIG_QCOM_CLK_RPM=m
+-CONFIG_QCOM_CLK_SMD_RPM=m
++CONFIG_QCOM_CLK_SMD_RPM=y
+ CONFIG_QCOM_CLK_RPMH=y
+ CONFIG_MSM_GCC_8916=y
+ CONFIG_MSM_GCC_8996=y
+@@ -372,7 +373,7 @@
+ CONFIG_MSM_GCC_8998=y
+ CONFIG_MSM_GPUCC_8998=m
+ CONFIG_MSM_MMCC_8998=m
+-CONFIG_QCM_GCC_2290=m
++CONFIG_QCM_GCC_2290=y
+ CONFIG_QCM_DISPCC_2290=m
+ CONFIG_SC_CAMCC_7180=m
+ CONFIG_SC_CAMCC_7280=m
+@@ -1088,7 +1089,7 @@
+ CONFIG_ROCKCHIP_MBOX=y
+ CONFIG_BCM2835_MBOX=y
+ CONFIG_HI6220_MBOX=y
+-CONFIG_QCOM_APCS_IPC=m
++CONFIG_QCOM_APCS_IPC=y
+ CONFIG_XGENE_SLIMPRO_MBOX=m
+ CONFIG_MTK_ADSP_MBOX=m
+ CONFIG_MTK_CMDQ_MBOX=m
+@@ -1914,7 +1915,7 @@
+ CONFIG_PINCTRL_MSM8916=y
+ CONFIG_PINCTRL_MSM8996=y
+ CONFIG_PINCTRL_MSM8998=y
+-CONFIG_PINCTRL_QCM2290=m
++CONFIG_PINCTRL_QCM2290=y
+ CONFIG_PINCTRL_SC7180=y
+ CONFIG_PINCTRL_SC7280=y
+ CONFIG_PINCTRL_SC8180X=y
+@@ -2084,8 +2085,7 @@
+ ##
+ CONFIG_RPMSG_MTK_SCP=m
+ CONFIG_RPMSG_QCOM_GLINK_RPM=m
+-CONFIG_RPMSG_QCOM_GLINK_SMEM=m
+-CONFIG_RPMSG_QCOM_SMD=m
++CONFIG_RPMSG_QCOM_GLINK_SMEM=y
+ 
+ ##
+ ## file: drivers/rtc/Kconfig
+@@ -2165,8 +2165,8 @@
+ CONFIG_QCOM_PMIC_GLINK=m
+ CONFIG_QCOM_RMTFS_MEM=m
+ CONFIG_QCOM_RPMH=y
+-CONFIG_QCOM_SMEM=m
+-CONFIG_QCOM_SMD_RPM=m
++CONFIG_QCOM_SMEM=y
++CONFIG_QCOM_SMD_RPM=y
+ CONFIG_QCOM_SMP2P=m
+ CONFIG_QCOM_SMSM=m
+ CONFIG_QCOM_SOCINFO=m
+diff -Nru linux-6.15.3/debian/control.md5sum linux-6.15.3/debian/control.md5sum
+--- linux-6.15.3/debian/control.md5sum	2025-06-19 22:00:04.000000000 +0000
++++ linux-6.15.3/debian/control.md5sum	2025-06-24 16:33:49.000000000 +0000
+@@ -1,5 +1,5 @@
+ 9af914f76107cdcb388cd20d7ca1ae52  debian/bin/gencontrol.py
+-81815638cfec6e9f5ef153e912738212  debian/build/version-info
++4084bd6a210507143b0e9f0023e051a5  debian/build/version-info
+ ba2c200f8c43f7ec8d8323561739379a  debian/config/alpha/defines.toml
+ 300cccdfb319c58890356ea697f88771  debian/config/amd64/defines.toml
+ 423b05cf9e26256ee4a5b30ba2045e7a  debian/config/arm64/defines.toml
+diff -Nru linux-6.15.3/debian/installer/modules/arm64/kernel-image linux-6.15.3/debian/installer/modules/arm64/kernel-image
+--- linux-6.15.3/debian/installer/modules/arm64/kernel-image	2025-06-08 18:45:19.000000000 +0000
++++ linux-6.15.3/debian/installer/modules/arm64/kernel-image	2025-06-25 18:08:37.000000000 +0000
+@@ -66,7 +66,6 @@
+ qcom_glink
+ qcom_glink_smem
+ qcom_glink_rpm
+-qcom_smd
+ qcom_hwspinlock
+ icc-osm-l3
+ rpmpd
diff --git a/overlay-debs/linux-rb1/linux_6.15.3-1~qcom1.yaml b/overlay-debs/linux-rb1/linux_6.15.3-1~qcom1.yaml
new file mode 100644
index 0000000..bf0212a
--- /dev/null
+++ b/overlay-debs/linux-rb1/linux_6.15.3-1~qcom1.yaml
@@ -0,0 +1,4 @@
+dsc_url: "https://deb.debian.org/debian/pool/main/l/linux/linux_6.15.3-1~exp1.dsc"
+dsc_sha256sum: "3ab8ec04ec2304df53d0a4133a228a52e9b54d5f0d85ac9ae929e51a4d078231"
+debdiff_file: "linux_6.15.3-1~qcom1.debdiff"
+suite: "experimental"