1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright 2022 Unisoc Inc.
5 $id: http://devicetree.org/schemas/gpio/sprd,gpio.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Unisoc GPIO controller
11 - Orson Zhai <orsonzhai@gmail.com>
12 - Baolin Wang <baolin.wang7@gmail.com>
13 - Chunyan Zhang <zhang.lyra@gmail.com>
16 The controller's registers are organized as sets of sixteen 16-bit
17 registers with each set controlling a bank of up to 16 pins. A single
18 interrupt is shared for all of the banks handled by the controller.
23 - const: sprd,sc9860-gpio
27 - const: sprd,sc9860-gpio
37 interrupt-controller: true
44 description: The interrupt shared by all GPIO lines for this controller.
51 - interrupt-controller
55 additionalProperties: false
59 #include <dt-bindings/interrupt-controller/arm-gic.h>
65 ap_gpio: gpio@40280000 {
66 compatible = "sprd,sc9860-gpio";
67 reg = <0 0x40280000 0 0x1000>;
71 #interrupt-cells = <2>;
72 interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;