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Subject[PATCH v6 4/5] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Document the properties to handle GPIO IRQ
Date
Document the required properties to handle GPIO IRQ.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/pinctrl/renesas,rzg2l-pinctrl.yaml | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
index 52df1b146174..997b74639112 100644
--- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
@@ -47,6 +47,17 @@ properties:
gpio-ranges:
maxItems: 1

+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 2
+ description:
+ The first cell contains the global GPIO port index, constructed using the
+ RZG2L_GPIO() helper macro in <dt-bindings/pinctrl/rzg2l-pinctrl.h> and the
+ second cell is used to specify the flag.
+ E.g. "interrupts = <RZG2L_GPIO(43, 0) IRQ_TYPE_EDGE_FALLING>;" if P43_0 is
+ being used as an interrupt.
+
clocks:
maxItems: 1

@@ -110,6 +121,8 @@ required:
- gpio-controller
- '#gpio-cells'
- gpio-ranges
+ - interrupt-controller
+ - '#interrupt-cells'
- clocks
- power-domains
- resets
@@ -126,6 +139,8 @@ examples:
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&pinctrl 0 0 392>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
clocks = <&cpg CPG_MOD R9A07G044_GPIO_HCLK>;
resets = <&cpg R9A07G044_GPIO_RSTN>,
<&cpg R9A07G044_GPIO_PORT_RESETN>,
--
2.25.1
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