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Message-ID: <20250714202941.3013390-1-robh@kernel.org>
Date: Mon, 14 Jul 2025 15:29:40 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Frank Li <Frank.Li@....com>
Cc: linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: gpio: fsl,qoriq-gpio: Add missing mpc8xxx compatibles
The fsl,mpc8349-gpio, fsl,mpc8572-gpio, and fsl,mpc8610-gpio compatibles
are already documented in fsl,qoriq-gpio.yaml. Add the additional
compatibles that use fsl,mpc8349-gpio as a fallback. With that,
the 8xxx_gpio.txt binding document is redundant and can be removed.
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
.../devicetree/bindings/gpio/8xxx_gpio.txt | 72 -------------------
.../bindings/gpio/fsl,qoriq-gpio.yaml | 7 ++
2 files changed, 7 insertions(+), 72 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/gpio/8xxx_gpio.txt
diff --git a/Documentation/devicetree/bindings/gpio/8xxx_gpio.txt b/Documentation/devicetree/bindings/gpio/8xxx_gpio.txt
deleted file mode 100644
index 973362eb3f1e..000000000000
--- a/Documentation/devicetree/bindings/gpio/8xxx_gpio.txt
+++ /dev/null
@@ -1,72 +0,0 @@
-GPIO controllers on MPC8xxx SoCs
-
-This is for the non-QE/CPM/GUTs GPIO controllers as found on
-8349, 8572, 8610 and compatible.
-
-Every GPIO controller node must have #gpio-cells property defined,
-this information will be used to translate gpio-specifiers.
-See bindings/gpio/gpio.txt for details of how to specify GPIO
-information for devices.
-
-The GPIO module usually is connected to the SoC's internal interrupt
-controller, see bindings/interrupt-controller/interrupts.txt (the
-interrupt client nodes section) for details how to specify this GPIO
-module's interrupt.
-
-The GPIO module may serve as another interrupt controller (cascaded to
-the SoC's internal interrupt controller). See the interrupt controller
-nodes section in bindings/interrupt-controller/interrupts.txt for
-details.
-
-Required properties:
-- compatible: "fsl,<chip>-gpio" followed by "fsl,mpc8349-gpio"
- for 83xx, "fsl,mpc8572-gpio" for 85xx, or
- "fsl,mpc8610-gpio" for 86xx.
-- #gpio-cells: Should be two. The first cell is the pin number
- and the second cell is used to specify optional
- parameters (currently unused).
-- interrupts: Interrupt mapping for GPIO IRQ.
-- gpio-controller: Marks the port as GPIO controller.
-
-Optional properties:
-- interrupt-controller: Empty boolean property which marks the GPIO
- module as an IRQ controller.
-- #interrupt-cells: Should be two. Defines the number of integer
- cells required to specify an interrupt within
- this interrupt controller. The first cell
- defines the pin number, the second cell
- defines additional flags (trigger type,
- trigger polarity). Note that the available
- set of trigger conditions supported by the
- GPIO module depends on the actual SoC.
-
-Example of gpio-controller nodes for a MPC8347 SoC:
-
- gpio1: gpio-controller@c00 {
- #gpio-cells = <2>;
- compatible = "fsl,mpc8347-gpio", "fsl,mpc8349-gpio";
- reg = <0xc00 0x100>;
- interrupt-parent = <&ipic>;
- interrupts = <74 0x8>;
- gpio-controller;
- interrupt-controller;
- #interrupt-cells = <2>;
- };
-
- gpio2: gpio-controller@d00 {
- #gpio-cells = <2>;
- compatible = "fsl,mpc8347-gpio", "fsl,mpc8349-gpio";
- reg = <0xd00 0x100>;
- interrupt-parent = <&ipic>;
- interrupts = <75 0x8>;
- gpio-controller;
- };
-
-Example of a peripheral using the GPIO module as an IRQ controller:
-
- funkyfpga@0 {
- compatible = "funky-fpga";
- ...
- interrupt-parent = <&gpio1>;
- interrupts = <4 3>;
- };
diff --git a/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml b/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml
index f1b60ab3f356..4cb2a6b9fabf 100644
--- a/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml
@@ -29,6 +29,13 @@ properties:
- fsl,ls1088a-gpio
- fsl,ls2080a-gpio
- const: fsl,qoriq-gpio
+ - items:
+ - enum:
+ - fsl,mpc8308-gpio
+ - fsl,mpc8377-gpio
+ - fsl,mpc8378-gpio
+ - fsl,mpc8379-gpio
+ - const: fsl,mpc8349-gpio
reg:
maxItems: 1
--
2.47.2
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