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/i2c/renesas,rzv2m.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas RZ/V2M I2C Bus Interface |
| 8 | |
| 9 | maintainers: |
| 10 | - Fabrizio Castro <fabrizio.castro.jz@renesas.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: /schemas/i2c/i2c-controller.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | items: |
| 18 | - enum: |
| 19 | - renesas,r9a09g011-i2c # RZ/V2M |
| 20 | - const: renesas,rzv2m-i2c |
| 21 | |
| 22 | reg: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | interrupts: |
| 26 | items: |
| 27 | - description: Data transmission/reception interrupt |
| 28 | - description: Status interrupt |
| 29 | |
| 30 | interrupt-names: |
| 31 | items: |
| 32 | - const: tia |
| 33 | - const: tis |
| 34 | |
| 35 | clock-frequency: |
| 36 | default: 100000 |
| 37 | enum: [ 100000, 400000 ] |
| 38 | description: |
| 39 | Desired I2C bus clock frequency in Hz. |
| 40 | |
| 41 | clocks: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | power-domains: |
| 45 | maxItems: 1 |
| 46 | |
| 47 | resets: |
| 48 | maxItems: 1 |
| 49 | |
| 50 | required: |
| 51 | - compatible |
| 52 | - reg |
| 53 | - interrupts |
| 54 | - interrupt-names |
| 55 | - clocks |
| 56 | - power-domains |
| 57 | - resets |
| 58 | - '#address-cells' |
| 59 | - '#size-cells' |
| 60 | |
| 61 | unevaluatedProperties: false |
| 62 | |
| 63 | examples: |
| 64 | - | |
| 65 | #include <dt-bindings/clock/r9a09g011-cpg.h> |
| 66 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 67 | |
| 68 | i2c0: i2c@a4030000 { |
| 69 | compatible = "renesas,r9a09g011-i2c", "renesas,rzv2m-i2c"; |
| 70 | reg = <0xa4030000 0x80>; |
| 71 | interrupts = <GIC_SPI 232 IRQ_TYPE_EDGE_RISING>, |
| 72 | <GIC_SPI 236 IRQ_TYPE_EDGE_RISING>; |
| 73 | interrupt-names = "tia", "tis"; |
| 74 | clocks = <&cpg CPG_MOD R9A09G011_IIC_PCLK0>; |
| 75 | resets = <&cpg R9A09G011_IIC_GPA_PRESETN>; |
| 76 | power-domains = <&cpg>; |
| 77 | clock-frequency = <100000>; |
| 78 | #address-cells = <1>; |
| 79 | #size-cells = <0>; |
| 80 | }; |