xref: /linux/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml (revision ae22a94997b8a03dcb3c922857c203246711f9d4) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/soc/tegra/nvidia,nvec.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NVIDIA compliant embedded controller
8
9maintainers:
10  - Thierry Reding <thierry.reding@gmail.com>
11  - Jon Hunter <jonathanh@nvidia.com>
12
13properties:
14  compatible:
15    const: nvidia,nvec
16
17  reg:
18    maxItems: 1
19
20  interrupts:
21    maxItems: 1
22
23  clocks:
24    minItems: 1
25    items:
26      - description: divider clock
27      - description: fast clock
28
29  clock-names:
30    minItems: 1
31    items:
32      - const: div-clk
33      - const: fast-clk
34
35  resets:
36    items:
37      - description: module reset
38
39  reset-names:
40    items:
41      - const: i2c
42
43  clock-frequency: true
44
45  request-gpios:
46    description: phandle to the GPIO used for EC request
47
48  slave-addr:
49    $ref: /schemas/types.yaml#/definitions/uint32
50    description: I2C address of the slave controller
51
52additionalProperties: false
53
54required:
55  - compatible
56  - reg
57  - interrupts
58  - clocks
59  - clock-names
60  - resets
61  - reset-names
62  - clock-frequency
63  - request-gpios
64  - slave-addr
65
66examples:
67  - |
68    #include <dt-bindings/clock/tegra20-car.h>
69    #include <dt-bindings/gpio/tegra-gpio.h>
70    #include <dt-bindings/interrupt-controller/arm-gic.h>
71
72    i2c@7000c500 {
73        compatible = "nvidia,nvec";
74        reg = <0x7000c500 0x100>;
75        interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
76        clock-frequency = <80000>;
77        request-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;
78        slave-addr = <138>;
79        clocks = <&tegra_car TEGRA20_CLK_I2C3>,
80                 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
81        clock-names = "div-clk", "fast-clk";
82        resets = <&tegra_car 67>;
83        reset-names = "i2c";
84    };
85