| 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/serial/renesas,em-uart.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas EMMA Mobile UART Interface |
| 8 | |
| 9 | maintainers: |
| 10 | - Magnus Damm <magnus.damm@gmail.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | oneOf: |
| 15 | - items: |
| 16 | - enum: |
| 17 | - renesas,r9a09g011-uart # RZ/V2M |
| 18 | - const: renesas,em-uart # generic EMMA Mobile compatible UART |
| 19 | |
| 20 | - items: |
| 21 | - const: renesas,em-uart # generic EMMA Mobile compatible UART |
| 22 | |
| 23 | reg: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | interrupts: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | clocks: |
| 30 | minItems: 1 |
| 31 | items: |
| 32 | - description: UART functional clock |
| 33 | - description: Internal clock to access the registers |
| 34 | |
| 35 | clock-names: |
| 36 | minItems: 1 |
| 37 | items: |
| 38 | - const: sclk |
| 39 | - const: pclk |
| 40 | |
| 41 | required: |
| 42 | - compatible |
| 43 | - reg |
| 44 | - interrupts |
| 45 | - clocks |
| 46 | - clock-names |
| 47 | |
| 48 | allOf: |
| 49 | - $ref: serial.yaml# |
| 50 | |
| 51 | - if: |
| 52 | properties: |
| 53 | compatible: |
| 54 | contains: |
| 55 | const: renesas,r9a09g011-uart |
| 56 | then: |
| 57 | properties: |
| 58 | clocks: |
| 59 | minItems: 2 |
| 60 | clock-names: |
| 61 | minItems: 2 |
| 62 | |
| 63 | unevaluatedProperties: false |
| 64 | |
| 65 | examples: |
| 66 | - | |
| 67 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 68 | uart0: serial@e1020000 { |
| 69 | compatible = "renesas,em-uart"; |
| 70 | reg = <0xe1020000 0x38>; |
| 71 | interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; |
| 72 | clocks = <&usia_u0_sclk>; |
| 73 | clock-names = "sclk"; |
| 74 | }; |