Commit e2337e64 authored by Rob Herring (Arm)'s avatar Rob Herring (Arm) Committed by Bartosz Golaszewski
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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: default avatarRob Herring (Arm) <robh@kernel.org>
Acked-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20250714202941.3013390-1-robh@kernel.org


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent f03a7f20

Documentation/devicetree/bindings/gpio/8xxx_gpio.txt

deleted100644 → 0
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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>;

	};

Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml

+7 −0
Original line number Diff line number Diff line
@@ -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