Renesas RZ/G3L DT Pin Control Binding Definitions

Pin Control DT bindings and binding definitions for the Renesas RZ/G3L
 (R9A08G046) SoC, shared by driver and DT source files.
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Merge tag 'renesas-r9a08g046-dt-binding-defs-tag2' into renesas-dts-for-v7.2

Renesas RZ/G3L DT Pin Control Binding Definitions

Pin Control DT bindings and binding definitions for the Renesas RZ/G3L
(R9A08G046) SoC, shared by driver and DT source files.

Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml

@@ -26,6 +26,7 @@ properties:
               - renesas,r9a07g043-pinctrl # RZ/G2UL{Type-1,Type-2} and RZ/Five
               - renesas,r9a07g044-pinctrl # RZ/G2{L,LC}
               - renesas,r9a08g045-pinctrl # RZ/G3S
+              - renesas,r9a08g046-pinctrl # RZ/G3L
               - renesas,r9a09g047-pinctrl # RZ/G3E
               - renesas,r9a09g056-pinctrl # RZ/V2N
               - renesas,r9a09g057-pinctrl # RZ/V2H(P)
@@ -78,6 +79,26 @@ properties:
           - description: PFC main reset
           - description: Reset for the control register related to WDTUDFCA and WDTUDFFCM pins
 
+  reset-names:
+    oneOf:
+      - items:
+          - const: rstn
+          - const: port
+          - const: spare
+      - items:
+          - const: main
+          - const: error
+
+  renesas,clonech:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle to system controller
+          - description: offset of clone channel control register
+    description:
+      Phandle and offset to the system controller containing the clone channel
+      control values.
+
 additionalProperties:
   anyOf:
     - type: object
@@ -140,6 +161,15 @@ additionalProperties:
 allOf:
   - $ref: pinctrl.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a08g046-pinctrl
+    then:
+      required:
+        - renesas,clonech
+
   - if:
       properties:
         compatible:
@@ -152,10 +182,14 @@ allOf:
       properties:
         resets:
           maxItems: 2
+        reset-names:
+          maxItems: 2
     else:
       properties:
         resets:
           minItems: 3
+        reset-names:
+          minItems: 3
 
 required:
   - compatible
@@ -187,6 +221,7 @@ examples:
             resets = <&cpg R9A07G044_GPIO_RSTN>,
                      <&cpg R9A07G044_GPIO_PORT_RESETN>,
                      <&cpg R9A07G044_GPIO_SPARE_RESETN>;
+            reset-names = "rstn", "port", "spare";
             power-domains = <&cpg>;
 
             scif0_pins: serial0 {

include/dt-bindings/pinctrl/renesas,r9a08g046-pinctrl.h

@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * This header provides constants for Renesas RZ/G3L family pinctrl bindings.
+ *
+ * Copyright (C) 2026 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __DT_BINDINGS_PINCTRL_RENESAS_R9A08G046_PINCTRL_H__
+#define __DT_BINDINGS_PINCTRL_RENESAS_R9A08G046_PINCTRL_H__
+
+#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
+
+/* RZG3L_Px = Offset address of PFC_P_mn  - 0x22 */
+#define RZG3L_P2	2
+#define RZG3L_P3	3
+#define RZG3L_P5	5
+#define RZG3L_P6	6
+#define RZG3L_P7	7
+#define RZG3L_P8	8
+#define RZG3L_PA	10
+#define RZG3L_PB	11
+#define RZG3L_PC	12
+#define RZG3L_PD	13
+#define RZG3L_PE	14
+#define RZG3L_PF	15
+#define RZG3L_PG	16
+#define RZG3L_PH	17
+#define RZG3L_PJ	19
+#define RZG3L_PK	20
+#define RZG3L_PL	21
+#define RZG3L_PM	22
+#define RZG3L_PS	28
+
+#define RZG3L_PORT_PINMUX(b, p, f)	RZG2L_PORT_PINMUX(RZG3L_P##b, p, f)
+#define RZG3L_GPIO(port, pin)		RZG2L_GPIO(RZG3L_P##port, pin)
+
+#endif /* __DT_BINDINGS_PINCTRL_RENESAS_R9A08G046_PINCTRL_H__ */