Document RZ/T2H (a.k.a r9a09g077) pinctrl
Signed-off-by: Thierry Bultel <thierry.bultel.yh@xxxxxxxxxxxxxx>
---
.../bindings/pinctrl/renesas,pfc.yaml | 59 +++++++++++++------
include/dt-bindings/pinctrl/rzt2h-pinctrl.h | 23 ++++++++
2 files changed, 65 insertions(+), 17 deletions(-)
create mode 100644 include/dt-bindings/pinctrl/rzt2h-pinctrl.h
diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml
index cfe004573366..6d6f97daad17 100644
--- a/Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml
@@ -29,6 +29,7 @@ properties:
- renesas,pfc-r8a774b1 # RZ/G2N
- renesas,pfc-r8a774c0 # RZ/G2E
- renesas,pfc-r8a774e1 # RZ/G2H
+ - renesas,pfc-r9a09g077 # RZ/T2H
- renesas,pfc-r8a7778 # R-Car M1
- renesas,pfc-r8a7779 # R-Car H1
- renesas,pfc-r8a7790 # R-Car H2
@@ -74,27 +75,41 @@ properties:
power-domains:
maxItems: 1
-allOf:
- - $ref: pinctrl.yaml#
-
required:
- compatible
- reg
-if:
- properties:
- compatible:
- enum:
- - renesas,pfc-r8a73a4
- - renesas,pfc-r8a7740
- - renesas,pfc-sh73a0
-then:
- required:
- - interrupts-extended
- - gpio-controller
- - '#gpio-cells'
- - gpio-ranges
- - power-domains
+allOf:
+ - $ref: pinctrl.yaml#
+ - if:
+ properties:
+ compatible:
+ enum:
+ - renesas,pfc-r8a73a4
+ - renesas,pfc-r8a7740
+ - renesas,pfc-sh73a0
+ then:
+ required:
+ - interrupts-extended
+ - gpio-controller
+ - '#gpio-cells'
+ - gpio-ranges
+ - power-domains
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,pfc-r9a09g077
+ then:
+ required:
+ - gpio-controller
+ - '#gpio-cells'
+ - gpio-ranges
+ properties:
+ reg:
+ items:
+ - description: base address of register block 0
+ - description: base address of register block 1
additionalProperties:
anyOf:
@@ -194,3 +209,13 @@ examples:
power-source = <3300>;
};
};
+
+ - |
+ pinctrl: pinctrl@812c0000 {
+ compatible = "renesas,pfc-r9a09g077";
+ reg = <0x802c0000 0x2000>,
+ <0x812c0000 0x2000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&pinctrl 0 0 287>;
+ };
diff --git a/include/dt-bindings/pinctrl/rzt2h-pinctrl.h b/include/dt-bindings/pinctrl/rzt2h-pinctrl.h
new file mode 100644
index 000000000000..7842783fdb7a
--- /dev/null
+++ b/include/dt-bindings/pinctrl/rzt2h-pinctrl.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * This header provides constants for Renesas RZ/T2H family pinctrl bindings.
+ *
+ * Copyright (C) 2025 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __DT_BINDINGS_RZT2H_PINCTRL_H
+#define __DT_BINDINGS_RZT2H_PINCTRL_H
+
+#define RZT2H_PINS_PER_PORT 8
+
+/*
+ * Create the pin index from its bank and position numbers and store in
+ * the upper 16 bits the alternate function identifier
+ */
+#define RZT2H_PORT_PINMUX(b, p, f) ((b) * RZT2H_PINS_PER_PORT + (p) | ((f) << 16))
+
+/* Convert a port and pin label to its global pin index */
+#define RZT2H_GPIO(port, pin) ((port) * RZT2H_PINS_PER_PORT + (pin))
+
+#endif /* __DT_BINDINGS_RZT2H_PINCTRL_H */
--
2.43.0
