| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | |
| 7 | title: NVIDIA compliant embedded controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Thierry Reding <thierry.reding@gmail.com> |
| 11 | - Jon Hunter <jonathanh@nvidia.com> |
| 12 | |
| 13 | properties: |
| 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 | |
| 52 | additionalProperties: false |
| 53 | |
| 54 | required: |
| 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 | |
| 66 | examples: |
| 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 | }; |