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X-OriginatorOrg: axiado.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jun 2025 01:13:18.9524 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a0ed7b83-4d36-46b6-be2a-08ddaba9d08d X-MS-Exchange-CrossTenant-Id: ff2db17c-4338-408e-9036-2dee8e3e17d7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=ff2db17c-4338-408e-9036-2dee8e3e17d7;Ip=[50.233.182.194];Helo=[[127.0.0.1]] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000989E7.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR18MB4254 Convert Cadence family GPIO controller bindings to DT schema. Changes during conversion: - update the naming as per the other files. - add gpio maintainers Signed-off-by: Harshit Shah --- .../devicetree/bindings/gpio/cdns,gpio.txt | 43 ------------ .../devicetree/bindings/gpio/gpio-cdns.yaml | 81 ++++++++++++++++++= ++++ 2 files changed, 81 insertions(+), 43 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/cdns,gpio.txt b/Documen= tation/devicetree/bindings/gpio/cdns,gpio.txt deleted file mode 100644 index 706ef00f5c64951bb29c79a5541db4397e8b2733..000000000000000000000000000= 0000000000000 --- a/Documentation/devicetree/bindings/gpio/cdns,gpio.txt +++ /dev/null @@ -1,43 +0,0 @@ -Cadence GPIO controller bindings - -Required properties: -- compatible: should be "cdns,gpio-r1p02". -- reg: the register base address and size. -- #gpio-cells: should be 2. - * first cell is the GPIO number. - * second cell specifies the GPIO flags, as defined in - . Only the GPIO_ACTIVE_HIGH - and GPIO_ACTIVE_LOW flags are supported. -- gpio-controller: marks the device as a GPIO controller. -- clocks: should contain one entry referencing the peripheral clock driving - the GPIO controller. - -Optional properties: -- ngpios: integer number of gpio lines supported by this controller, up to= 32. -- interrupts: interrupt specifier for the controllers interrupt. -- interrupt-controller: marks the device as an interrupt controller. When - defined, interrupts, interrupt-parent and #interrupt-cells - are required. -- interrupt-cells: should be 2. - * first cell is the GPIO number you want to use as an IRQ source. - * second cell specifies the IRQ type, as defined in - . - Currently only level sensitive IRQs are supported. - - -Example: - gpio0: gpio-controller@fd060000 { - compatible =3D "cdns,gpio-r1p02"; - reg =3D<0xfd060000 0x1000>; - - clocks =3D <&gpio_clk>; - - interrupt-parent =3D <&gic>; - interrupts =3D <0 5 IRQ_TYPE_LEVEL_HIGH>; - - gpio-controller; - #gpio-cells =3D <2>; - - interrupt-controller; - #interrupt-cells =3D <2>; - }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-cdns.yaml b/Docume= ntation/devicetree/bindings/gpio/gpio-cdns.yaml new file mode 100644 index 0000000000000000000000000000000000000000..e71f0137912f88e69fb3fa20f09= 6e1572211591c --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-cdns.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-cdns.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence GPIO Controller + +maintainers: + - Linus Walleij + - Bartosz Golaszewski + +properties: + compatible: + const: cdns,gpio-r1p02 + + reg: + minItems: 1 + + clocks: + maxItems: 1 + + ngpios: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Number of GPIO lines supported, maximum 32. + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + - First cell is the GPIO line number. + - Second cell is flags as defined in , + only GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW supported. + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + description: | + - First cell is the GPIO line number used as IRQ. + - Second cell is the trigger type, as defined in + . + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - gpio-controller + - "#gpio-cells" + +if: + required: [interrupt-controller] +then: + required: + - interrupts + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include + #include + gpio0: gpio-controller@fd060000 { + compatible =3D "cdns,gpio-r1p02"; + reg =3D <0xfd060000 0x1000>; + clocks =3D <&gpio_clk>; + + interrupt-parent =3D <&gic>; + interrupts =3D ; + + gpio-controller; + #gpio-cells =3D <2>; + + interrupt-controller; + #interrupt-cells =3D <2>; + }; --=20 2.25.1