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Signed-off-by: Phu Luu An Signed-off-by: Larisa Grigore Signed-off-by: Ghennadi Procopciuc Signed-off-by: Andrei Stefanescu Signed-off-by: Phu Luu An Signed-off-by: Larisa Grigore Signed-off-by: Ghennadi Procopciuc Signed-off-by: Andrei Stefanescu --- .../bindings/gpio/nxp,s32g2-siul2-gpio.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml b/Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml new file mode 100644 index 000000000000..4556505ee9c9 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/nxp,s32g2-siul2-gpio.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +# Copyright 2024 NXP +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/nxp,s32g2-siul2-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP S32G2 SIUL2 GPIO controller + +maintainers: + - Ghennadi Procopciuc + - Larisa Grigore + - Andrei Stefanescu + +description: + Support for the SIUL2 GPIOs found on the S32G2 and S32G3 + chips. It includes an IRQ controller for all pins which have + an EIRQ associated. + +properties: + compatible: + oneOf: + - const: nxp,s32g2-siul2-gpio + - items: + - const: nxp,s32g3-siul2-gpio + - const: nxp,s32g2-siul2-gpio + + reg: + items: + - description: PGPDO (output value) registers for SIUL2_0 + - description: PGPDO (output value) registers for SIUL2_1 + - description: PGPDI (input value) registers for SIUL2_0 + - description: PGPDI (input value) registers for SIUL2_1 + - description: EIRQ (interrupt) configuration registers from SIUL2_1 + - description: EIRQ IMCR registers for interrupt muxing between pads + + reg-names: + items: + - const: opads0 + - const: opads1 + - const: ipads0 + - const: ipads1 + - const: eirqs + - const: eirq-imcrs + + gpio-controller: true + + '#gpio-cells': + const: 2 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + gpio-ranges: + minItems: 2 + maxItems: 2 + + gpio-reserved-ranges: + minItems: 2 + +patternProperties: + "-hog(-[0-9]+)?$": + required: + - gpio-hog + +required: + - compatible + - reg + - reg-names + - gpio-controller + - "#gpio-cells" + - gpio-ranges + - gpio-reserved-ranges + - interrupts + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include + #include + + gpio@4009d700 { + compatible = "nxp,s32g2-siul2-gpio"; + reg = <0x4009d700 0x10>, + <0x44011700 0x18>, + <0x4009d740 0x10>, + <0x44011740 0x18>, + <0x44010010 0xb4>, + <0x44011078 0x80>; + reg-names = "opads0", "opads1", "ipads0", + "ipads1", "eirqs", "eirq-imcrs"; + gpio-controller; + #gpio-cells = <2>; + /* GPIO 0-101 */ + gpio-ranges = <&pinctrl 0 0 102>, + /* GPIO 112-190 */ + <&pinctrl 112 112 79>; + gpio-reserved-ranges = <102 10>, <123 21>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + };