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-* Renesas R-Car GPIO Controller
-
-Required Properties:
-
- - compatible: should contain one or more of the following:
- - "renesas,gpio-r8a7743": for R8A7743 (RZ/G1M) compatible GPIO controller.
- - "renesas,gpio-r8a7744": for R8A7744 (RZ/G1N) compatible GPIO controller.
- - "renesas,gpio-r8a7745": for R8A7745 (RZ/G1E) compatible GPIO controller.
- - "renesas,gpio-r8a77470": for R8A77470 (RZ/G1C) compatible GPIO controller.
- - "renesas,gpio-r8a774a1": for R8A774A1 (RZ/G2M) compatible GPIO controller.
- - "renesas,gpio-r8a774b1": for R8A774B1 (RZ/G2N) compatible GPIO controller.
- - "renesas,gpio-r8a774c0": for R8A774C0 (RZ/G2E) compatible GPIO controller.
- - "renesas,gpio-r8a7778": for R8A7778 (R-Car M1) compatible GPIO controller.
- - "renesas,gpio-r8a7779": for R8A7779 (R-Car H1) compatible GPIO controller.
- - "renesas,gpio-r8a7790": for R8A7790 (R-Car H2) compatible GPIO controller.
- - "renesas,gpio-r8a7791": for R8A7791 (R-Car M2-W) compatible GPIO controller.
- - "renesas,gpio-r8a7792": for R8A7792 (R-Car V2H) compatible GPIO controller.
- - "renesas,gpio-r8a7793": for R8A7793 (R-Car M2-N) compatible GPIO controller.
- - "renesas,gpio-r8a7794": for R8A7794 (R-Car E2) compatible GPIO controller.
- - "renesas,gpio-r8a7795": for R8A7795 (R-Car H3) compatible GPIO controller.
- - "renesas,gpio-r8a7796": for R8A77960 (R-Car M3-W) compatible GPIO controller.
- - "renesas,gpio-r8a77961": for R8A77961 (R-Car M3-W+) compatible GPIO controller.
- - "renesas,gpio-r8a77965": for R8A77965 (R-Car M3-N) compatible GPIO controller.
- - "renesas,gpio-r8a77970": for R8A77970 (R-Car V3M) compatible GPIO controller.
- - "renesas,gpio-r8a77980": for R8A77980 (R-Car V3H) compatible GPIO controller.
- - "renesas,gpio-r8a77990": for R8A77990 (R-Car E3) compatible GPIO controller.
- - "renesas,gpio-r8a77995": for R8A77995 (R-Car D3) compatible GPIO controller.
- - "renesas,rcar-gen1-gpio": for a generic R-Car Gen1 GPIO controller.
- - "renesas,rcar-gen2-gpio": for a generic R-Car Gen2 or RZ/G1 GPIO controller.
- - "renesas,rcar-gen3-gpio": for a generic R-Car Gen3 or RZ/G2 GPIO controller.
- - "renesas,gpio-rcar": deprecated.
-
- When compatible with the generic version nodes must list the
- SoC-specific version corresponding to the platform first followed by
- the generic version.
-
- - reg: Base address and length of each memory resource used by the GPIO
- controller hardware module.
-
- - interrupts: Interrupt specifier for the controllers interrupt.
-
- - gpio-controller: Marks the device node as a gpio controller.
- - #gpio-cells: Should be 2. The first cell is the GPIO number and the second
- cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. Only the
- GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported.
- - gpio-ranges: See gpio.txt.
-
-Optional properties:
-
- - clocks: Must contain a reference to the functional clock. The property is
- mandatory if the hardware implements a controllable functional clock for
- the GPIO instance.
-
- - gpio-reserved-ranges: See gpio.txt.
-
-Please refer to gpio.txt in this directory for the common GPIO bindings used by
-client devices.
-
-The GPIO controller also acts as an interrupt controller. It uses the default
-two cells specifier as described in Documentation/devicetree/bindings/
-interrupt-controller/interrupts.txt.
-
-Example: R8A77470 (RZ/G1C) GPIO controller nodes
-
- gpio0: gpio@e6050000 {
- compatible = "renesas,gpio-r8a77470",
- "renesas,rcar-gen2-gpio";
- reg = <0 0xe6050000 0 0x50>;
- interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
- #gpio-cells = <2>;
- gpio-controller;
- gpio-ranges = <&pfc 0 0 23>;
- #interrupt-cells = <2>;
- interrupt-controller;
- clocks = <&cpg CPG_MOD 912>;
- power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
- resets = <&cpg 912>;
- };
- ...
- gpio3: gpio@e6053000 {
- compatible = "renesas,gpio-r8a77470",
- "renesas,rcar-gen2-gpio";
- reg = <0 0xe6053000 0 0x50>;
- interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
- #gpio-cells = <2>;
- gpio-controller;
- gpio-ranges = <&pfc 0 96 30>;
- gpio-reserved-ranges = <17 10>;
- #interrupt-cells = <2>;
- interrupt-controller;
- clocks = <&cpg CPG_MOD 909>;
- power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
- resets = <&cpg 909>;
- };