diff --git a/bindings/gpu/adreno.txt b/bindings/gpu/adreno.txt
index de91a4ee875e..12de7124472c 100644
--- a/bindings/gpu/adreno.txt
+++ b/bindings/gpu/adreno.txt
@@ -66,6 +66,8 @@ GDSC Oxili Regulators:
 - regulator-names:		List of regulator name strings sorted in power-on order
 - vddcx-supply:			Phandle for vddcx regulator device node.
 - vdd-supply:			Phandle for vdd regulator device node.
+- vdd-parent-supply:		Phandle for vdd parent regulator device node.
+- vdd-parent-min-corner:	Minimum voltage corner value to set vdd parent supply.
 
 IOMMU Data:
 - iommu:			Phandle for the KGSL IOMMU device node
@@ -355,6 +357,8 @@ Example of A330 GPU in MSM8916:
 
 		/* GDSC oxili regulators */
 		vdd-supply = <&gdsc_oxili_gx>;
+		vdd-parent-supply = <&VDD_GFX_LEVEL>;
+		vdd-parent-min-corner = <RPM_SMD_REGULATOR_LEVEL_RETENTION>;
 
 		nvmem-cells = <&gpu_speed_bin>, <&gpu_gaming_bin>;
 		nvmem-cell-names = "speed_bin", "gaming_bin";
diff --git a/qcom/holi-gpu.dtsi b/qcom/holi-gpu.dtsi
index c0728369bff4..d18c1771c956 100644
--- a/qcom/holi-gpu.dtsi
+++ b/qcom/holi-gpu.dtsi
@@ -1,3 +1,5 @@
+#include <dt-bindings/regulator/qcom,rpm-smd-regulator.h>
+
 #define MHZ_TO_KBPS(mhz, w) ((mhz * 1000000 * w) / (1024))
 &soc {
 	pil_gpu: qcom,kgsl-hyp {
@@ -30,6 +32,8 @@ msm_gpu: qcom,kgsl-3d0@5900000 {
 
 		vddcx-supply = <&gpu_cx_gdsc>;
 		vdd-supply = <&gpu_gx_gdsc>;
+		vdd-parent-supply = <&VDD_GFX_LEVEL>;
+		vdd-parent-min-corner = <RPM_SMD_REGULATOR_LEVEL_RETENTION>;
 		qcom,chipid = <0x06010900>;
 
 		nvmem-cells = <&gpu_speed_bin>, <&gpu_gaming_bin>;