diff --git a/api/v1alpha1/irsasetup_types.go b/api/v1alpha1/irsasetup_types.go
index 2f4910a..285810e 100644
--- a/api/v1alpha1/irsasetup_types.go
+++ b/api/v1alpha1/irsasetup_types.go
@@ -33,17 +33,32 @@ type IRSASetupSpec struct {
 	// +required
 	Cleanup bool `json:"cleanup"`
 
-	// Mode (Optional, Future Feature) Defines how the controller will operate once this feature is enabled.
-	// Currently unused. Planned values:
+	// Mode specifies the operation mode of the controller.
+	// Possible values:
 	//   - "selfhosted": For self-managed Kubernetes clusters.
 	//   - "eks": For Amazon EKS environments.
-	Mode string `json:"mode,omitempty"`
+	// Default: "selfhosted"
+	Mode SetupMode `json:"mode,omitempty"`
 
 	// Discovery configures the IdP Discovery process, essential for setting up IRSA by locating
 	// the OIDC provider information.
+	// Only applicable when Mode is "selfhosted".
 	Discovery Discovery `json:"discovery"`
+
+	// IamOIDCProvider configures IAM OIDC IamOIDCProvider Name
+	// Only applicable when Mode is "eks".
+	IamOIDCProvider string `json:"provider,omitempty"`
 }
 
+// +kubebuilder:default=selfhosted
+// +kubebuilder:validation:Enum=selfhosted;eks
+type SetupMode string
+
+const (
+	ModeSelfhosted = SetupMode("selfhosted")
+	ModeEks        = SetupMode("eks")
+)
+
 // Discovery holds the configuration for IdP Discovery, which is crucial for locating
 // the OIDC provider in a self-hosted environment.
 type Discovery struct {
diff --git a/charts/irsa-manager/crds/irsasetup-crd.yaml b/charts/irsa-manager/crds/irsasetup-crd.yaml
index 7cc00d0..b6bcd31 100644
--- a/charts/irsa-manager/crds/irsasetup-crd.yaml
+++ b/charts/irsa-manager/crds/irsasetup-crd.yaml
@@ -52,6 +52,7 @@ spec:
                 description: |-
                   Discovery configures the IdP Discovery process, essential for setting up IRSA by locating
                   the OIDC provider information.
+                  Only applicable when Mode is "selfhosted".
                 properties:
                   s3:
                     description: S3 specifies the AWS S3 bucket details where the
@@ -72,10 +73,19 @@ spec:
                 type: object
               mode:
                 description: |-
-                  Mode (Optional, Future Feature) Defines how the controller will operate once this feature is enabled.
-                  Currently unused. Planned values:
+                  Mode specifies the operation mode of the controller.
+                  Possible values:
                     - "selfhosted": For self-managed Kubernetes clusters.
                     - "eks": For Amazon EKS environments.
+                  Default: "selfhosted"
+                enum:
+                - selfhosted
+                - eks
+                type: string
+              provider:
+                description: |-
+                  IamOIDCProvider configures IAM OIDC IamOIDCProvider Name
+                  Only applicable when Mode is "eks".
                 type: string
             required:
             - cleanup
diff --git a/config/crd/bases/irsa-manager.kkb0318.github.io_irsasetups.yaml b/config/crd/bases/irsa-manager.kkb0318.github.io_irsasetups.yaml
index c8fe6c9..0cc7e3f 100644
--- a/config/crd/bases/irsa-manager.kkb0318.github.io_irsasetups.yaml
+++ b/config/crd/bases/irsa-manager.kkb0318.github.io_irsasetups.yaml
@@ -53,6 +53,7 @@ spec:
                 description: |-
                   Discovery configures the IdP Discovery process, essential for setting up IRSA by locating
                   the OIDC provider information.
+                  Only applicable when Mode is "selfhosted".
                 properties:
                   s3:
                     description: S3 specifies the AWS S3 bucket details where the
@@ -73,10 +74,19 @@ spec:
                 type: object
               mode:
                 description: |-
-                  Mode (Optional, Future Feature) Defines how the controller will operate once this feature is enabled.
-                  Currently unused. Planned values:
+                  Mode specifies the operation mode of the controller.
+                  Possible values:
                     - "selfhosted": For self-managed Kubernetes clusters.
                     - "eks": For Amazon EKS environments.
+                  Default: "selfhosted"
+                enum:
+                - selfhosted
+                - eks
+                type: string
+              provider:
+                description: |-
+                  IamOIDCProvider configures IAM OIDC IamOIDCProvider Name
+                  Only applicable when Mode is "eks".
                 type: string
             required:
             - cleanup
diff --git a/docs/api.md b/docs/api.md
index 3d29967..3bb9855 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -102,8 +102,9 @@ _Appears in:_
 | Field | Description | Default | Validation |
 | --- | --- | --- | --- |
 | `cleanup` _boolean_ | Cleanup, when enabled, allows the IRSASetup to perform garbage collection<br />of resources that are no longer needed or managed. |  |  |
-| `mode` _string_ | Mode (Optional, Future Feature) Defines how the controller will operate once this feature is enabled.<br />Currently unused. Planned values:<br />  - "selfhosted": For self-managed Kubernetes clusters.<br />  - "eks": For Amazon EKS environments. |  |  |
-| `discovery` _[Discovery](#discovery)_ | Discovery configures the IdP Discovery process, essential for setting up IRSA by locating<br />the OIDC provider information. |  |  |
+| `mode` _[SetupMode](#setupmode)_ | Mode specifies the operation mode of the controller.<br />Possible values:<br />  - "selfhosted": For self-managed Kubernetes clusters.<br />  - "eks": For Amazon EKS environments.<br />Default: "selfhosted" |  | Enum: [selfhosted eks] <br /> |
+| `discovery` _[Discovery](#discovery)_ | Discovery configures the IdP Discovery process, essential for setting up IRSA by locating<br />the OIDC provider information.<br />Only applicable when Mode is "selfhosted". |  |  |
+| `provider` _string_ | IamOIDCProvider configures IAM OIDC IamOIDCProvider Name<br />Only applicable when Mode is "eks". |  |  |
 
 
 
@@ -164,3 +165,17 @@ _Appears in:_
 
 
 
+#### SetupMode
+
+_Underlying type:_ _string_
+
+
+
+_Validation:_
+- Enum: [selfhosted eks]
+
+_Appears in:_
+- [IRSASetupSpec](#irsasetupspec)
+
+
+