bindings/gpio/nvidia%2Ctegra20-gpio.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/nvidia,tegra20-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra GPIO Controller (Tegra20 - Tegra210)
10   - Thierry Reding <thierry.reding@gmail.com>
11   - Jon Hunter <jonathanh@nvidia.com>
16       - enum:
17           - nvidia,tegra20-gpio
18           - nvidia,tegra30-gpio
20       - items:
21           - enum:
22               - nvidia,tegra114-gpio
23               - nvidia,tegra124-gpio
24               - nvidia,tegra210-gpio
25           - const: nvidia,tegra30-gpio
35   "#gpio-cells":
37       to specify the GPIO polarity (0 = active high, 1 = active low).
40   gpio-controller: true
42   gpio-ranges:
45   "#interrupt-cells":
50         bits[3:0] trigger type and level flags:
51           1 = low-to-high edge triggered.
52           2 = high-to-low edge triggered.
53           4 = active high level-sensitive.
54           8 = active low level-sensitive.
59   interrupt-controller: true
62   - if:
66             const: nvidia,tegra30-gpio
79   - compatible
80   - reg
81   - interrupts
82   - "#gpio-cells"
83   - gpio-controller
84   - "#interrupt-cells"
85   - interrupt-controller
90     - gpio-hog
93   - |
94     #include <dt-bindings/interrupt-controller/arm-gic.h>
97         compatible = "nvidia,tegra20-gpio";
106         #gpio-cells = <2>;
107         gpio-controller;
108         #interrupt-cells = <2>;
109         interrupt-controller;