renesas,em-uart.yaml (1546B)
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 7title: Renesas EMMA Mobile UART Interface 8 9maintainers: 10 - Magnus Damm <magnus.damm@gmail.com> 11 12properties: 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 41allOf: 42 - $ref: serial.yaml# 43 44 - if: 45 properties: 46 compatible: 47 contains: 48 const: renesas,r9a09g011-uart 49 then: 50 properties: 51 clocks: 52 minItems: 2 53 clock-names: 54 minItems: 2 55 56required: 57 - compatible 58 - reg 59 - interrupts 60 - clocks 61 - clock-names 62 63unevaluatedProperties: false 64 65examples: 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 };