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Message-ID: <7269082e90d20cf2cb4c11ceb61e24f0520d0154.1758212309.git.christophe.leroy@csgroup.eu>
Date: Thu, 18 Sep 2025 18:23:27 +0200
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Qiang Zhao <qiang.zhao@....com>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org,
linux-arm-kernel@...ts.infradead.org,
linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH v6 7/7] dt-bindings: soc: fsl: qe: Add support of IRQ in QE GPIO
In the QE, a few GPIOs have an associated IRQ to notify changes.
Add IRQ support to QE GPIO.
As not all GPIOs have an associated IRQ, the driver needs to know
to which GPIO corresponds each provided IRQ. This is provided via
multiple compatible properties:
compatible = "fsl,mpc8323-qe-pario-bank-a"
compatible = "fsl,mpc8323-qe-pario-bank-b"
compatible = "fsl,mpc8323-qe-pario-bank-c"
compatible = "fsl,mpc8360-qe-pario-bank-a"
compatible = "fsl,mpc8360-qe-pario-bank-b"
compatible = "fsl,mpc8360-qe-pario-bank-c"
compatible = "fsl,mpc8360-qe-pario-bank-d"
compatible = "fsl,mpc8360-qe-pario-bank-e"
compatible = "fsl,mpc8360-qe-pario-bank-f"
compatible = "fsl,mpc8360-qe-pario-bank-g"
compatible = "fsl,mpc8568-qe-pario-bank-a"
compatible = "fsl,mpc8568-qe-pario-bank-b"
compatible = "fsl,mpc8568-qe-pario-bank-c"
compatible = "fsl,mpc8568-qe-pario-bank-d"
compatible = "fsl,mpc8568-qe-pario-bank-e"
compatible = "fsl,mpc8568-qe-pario-bank-f"
When not using IRQ and for banks having no IRQ (like bank D on mpc8323)
the origin compatible = "fsl,mpc8323-qe-pario-bank" is still valid.
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
.../gpio/fsl,mpc8323-qe-pario-bank.yaml | 27 +++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml b/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml
index 0dd9c0e6ca39..c34aeea119e0 100644
--- a/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml
+++ b/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml
@@ -14,6 +14,22 @@ properties:
items:
- enum:
- fsl,chip-qe-pario-bank
+ - fsl,mpc8323-qe-pario-bank-a
+ - fsl,mpc8323-qe-pario-bank-b
+ - fsl,mpc8323-qe-pario-bank-c
+ - fsl,mpc8360-qe-pario-bank-a
+ - fsl,mpc8360-qe-pario-bank-b
+ - fsl,mpc8360-qe-pario-bank-c
+ - fsl,mpc8360-qe-pario-bank-d
+ - fsl,mpc8360-qe-pario-bank-e
+ - fsl,mpc8360-qe-pario-bank-f
+ - fsl,mpc8360-qe-pario-bank-g
+ - fsl,mpc8568-qe-pario-bank-a
+ - fsl,mpc8568-qe-pario-bank-b
+ - fsl,mpc8568-qe-pario-bank-c
+ - fsl,mpc8568-qe-pario-bank-d
+ - fsl,mpc8568-qe-pario-bank-e
+ - fsl,mpc8568-qe-pario-bank-f
- const: fsl,mpc8323-qe-pario-bank
reg:
@@ -24,6 +40,9 @@ properties:
'#gpio-cells':
const: 2
+ interrupts:
+ description: List of interrupts for lines of the port that trigger interrupts on change.
+
required:
- compatible
- reg
@@ -35,15 +54,19 @@ additionalProperties: false
examples:
- |
gpio-controller@...0 {
- compatible = "fsl,mpc8360-qe-pario-bank", "fsl,mpc8323-qe-pario-bank";
+ compatible = "fsl,mpc8360-qe-pario-bank-a", "fsl,mpc8323-qe-pario-bank";
reg = <0x1400 0x18>;
gpio-controller;
#gpio-cells = <2>;
+ interrupts = <0 1 2 3>;
+ interrupt-parent = <&qepic>;
};
gpio-controller@...0 {
- compatible = "fsl,mpc8360-qe-pario-bank", "fsl,mpc8323-qe-pario-bank";
+ compatible = "fsl,mpc8360-qe-pario-bank-e", "fsl,mpc8323-qe-pario-bank";
reg = <0x1460 0x18>;
gpio-controller;
#gpio-cells = <2>;
+ interrupts = <19 20 21 22 23 24 25>;
+ interrupt-parent = <&qepic>;
};
--
2.49.0
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