bindings/gpio/brcm%2Cbrcmstb-gpio.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/brcm,brcmstb-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom STB "UPG GIO" GPIO controller
10   The controller's registers are organized as sets of eight 32-bit
12   interrupt is shared for all of the banks handled by the controller.
15   - Doug Berger <opendmb@gmail.com>
16   - Florian Fainelli <f.fainelli@gmail.com>
21       - enum:
22           - brcm,bcm7445-gpio
23       - const: brcm,brcmstb-gpio
29       the brcmstb GPIO controller registers
31   "#gpio-cells":
34       The first cell is the pin number (within the controller's
36       bit[0]: polarity (0 for active-high, 1 for active-low)
38   gpio-controller: true
40   brcm,gpio-bank-widths:
41     $ref: /schemas/types.yaml#/definitions/uint32-array
43       Number of GPIO lines for each bank.  Number of elements must
44       correspond to number of banks suggested by the 'reg' property.
49       The interrupt shared by all GPIO lines for this controller.
51   "#interrupt-cells":
54       The first cell is the GPIO number, the second should specify
56       - bits[3:0] trigger type and level flags
57         1 = low-to-high edge triggered
58         2 = high-to-low edge triggered
59         4 = active high level-sensitive
60         8 = active low level-sensitive
63   interrupt-controller: true
65   gpio-ranges: true
67   wakeup-source:
70       GPIOs for this controller can be used as a wakeup source
73   - compatible
74   - reg
75   - gpio-controller
76   - "#gpio-cells"
77   - brcm,gpio-bank-widths
82   - |
84         #gpio-cells = <2>;
85         #interrupt-cells = <2>;
86         compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio";
87         gpio-controller;
88         interrupt-controller;
90         interrupt-parent = <&irq0_intc>;
92         brcm,gpio-bank-widths = <32 32 32 24>;
93         gpio-ranges = <&pinctrl 0 0 120>;
97         #gpio-cells = <2>;
98         #interrupt-cells = <2>;
99         compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio";
100         gpio-controller;
101         interrupt-controller;
103         interrupt-parent = <&irq0_aon_intc>;
105         wakeup-source;
106         brcm,gpio-bank-widths = <18 4>;