diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/mrvl-gpio.txt | 48 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/mrvl-gpio.yaml | 173 |
2 files changed, 173 insertions, 48 deletions
diff --git a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt deleted file mode 100644 index 30fd2201b3d4..000000000000 --- a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt +++ /dev/null @@ -1,48 +0,0 @@ -* Marvell PXA GPIO controller - -Required properties: -- compatible : Should be "intel,pxa25x-gpio", "intel,pxa26x-gpio", - "intel,pxa27x-gpio", "intel,pxa3xx-gpio", - "marvell,pxa93x-gpio", "marvell,mmp-gpio", - "marvell,mmp2-gpio" or marvell,pxa1928-gpio. -- reg : Address and length of the register set for the device -- interrupts : Should be the port interrupt shared by all gpio pins. - There're three gpio interrupts in arch-pxa, and they're gpio0, - gpio1 and gpio_mux. There're only one gpio interrupt in arch-mmp, - gpio_mux. -- interrupt-names : Should be the names of irq resources. Each interrupt - uses its own interrupt name, so there should be as many interrupt names - as referenced interrupts. -- interrupt-controller : Identifies the node as an interrupt controller. -- #interrupt-cells: Specifies the number of cells needed to encode an - interrupt source. -- gpio-controller : Marks the device node as a gpio controller. -- #gpio-cells : Should be two. The first cell is the pin number and - the second cell is used to specify flags. See gpio.txt for possible - values. - -Example for a MMP platform: - - gpio: gpio@d4019000 { - compatible = "marvell,mmp-gpio"; - reg = <0xd4019000 0x1000>; - interrupts = <49>; - interrupt-names = "gpio_mux"; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <1>; - }; - -Example for a PXA3xx platform: - - gpio: gpio@40e00000 { - compatible = "intel,pxa3xx-gpio"; - reg = <0x40e00000 0x10000>; - interrupt-names = "gpio0", "gpio1", "gpio_mux"; - interrupts = <8 9 10>; - gpio-controller; - #gpio-cells = <0x2>; - interrupt-controller; - #interrupt-cells = <0x2>; - }; diff --git a/Documentation/devicetree/bindings/gpio/mrvl-gpio.yaml b/Documentation/devicetree/bindings/gpio/mrvl-gpio.yaml new file mode 100644 index 000000000000..4db3b8a3332c --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/mrvl-gpio.yaml @@ -0,0 +1,173 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/mrvl-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell PXA GPIO controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + - Bartosz Golaszewski <bgolaszewski@baylibre.com> + - Rob Herring <robh+dt@kernel.org> + +allOf: + - if: + properties: + compatible: + contains: + enum: + - intel,pxa25x-gpio + - intel,pxa26x-gpio + - intel,pxa27x-gpio + - intel,pxa3xx-gpio + then: + properties: + interrupts: + minItems: 3 + maxItems: 3 + interrupt-names: + items: + - const: gpio0 + - const: gpio1 + - const: gpio_mux + - if: + properties: + compatible: + contains: + enum: + - marvell,mmp-gpio + - marvell,mmp2-gpio + then: + properties: + interrupts: + maxItems: 1 + interrupt-names: + items: + - const: gpio_mux + +properties: + $nodename: + pattern: '^gpio@[0-9a-f]+$' + + compatible: + enum: + - intel,pxa25x-gpio + - intel,pxa26x-gpio + - intel,pxa27x-gpio + - intel,pxa3xx-gpio + - marvell,mmp-gpio + - marvell,mmp2-gpio + - marvell,pxa93x-gpio + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + ranges: true + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + gpio-ranges: + maxItems: 1 + + interrupts: true + + interrupt-names: true + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + +patternProperties: + '^gpio@[0-9a-f]*$': + type: object + properties: + reg: + maxItems: 1 + + required: + - reg + + additionalProperties: false + +required: + - compatible + - '#address-cells' + - '#size-cells' + - reg + - gpio-controller + - '#gpio-cells' + - interrupts + - interrupt-names + - interrupt-controller + - '#interrupt-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/pxa-clock.h> + gpio@40e00000 { + compatible = "intel,pxa3xx-gpio"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x40e00000 0x10000>; + gpio-controller; + #gpio-cells = <2>; + interrupts = <8>, <9>, <10>; + interrupt-names = "gpio0", "gpio1", "gpio_mux"; + clocks = <&clks CLK_GPIO>; + interrupt-controller; + #interrupt-cells = <2>; + }; + - | + #include <dt-bindings/clock/marvell,pxa910.h> + gpio@d4019000 { + compatible = "marvell,mmp-gpio"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xd4019000 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupts = <49>; + interrupt-names = "gpio_mux"; + clocks = <&soc_clocks PXA910_CLK_GPIO>; + resets = <&soc_clocks PXA910_CLK_GPIO>; + interrupt-controller; + #interrupt-cells = <2>; + ranges; + + gpio@d4019000 { + reg = <0xd4019000 0x4>; + }; + + gpio@d4019004 { + reg = <0xd4019004 0x4>; + }; + + gpio@d4019008 { + reg = <0xd4019008 0x4>; + }; + + gpio@d4019100 { + reg = <0xd4019100 0x4>; + }; + }; + +... |