diff options
Diffstat (limited to 'dts/Bindings/serial/renesas,em-uart.yaml')
| -rw-r--r-- | dts/Bindings/serial/renesas,em-uart.yaml | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/dts/Bindings/serial/renesas,em-uart.yaml b/dts/Bindings/serial/renesas,em-uart.yaml index e98ec48fee..89f1eb0f2c 100644 --- a/dts/Bindings/serial/renesas,em-uart.yaml +++ b/dts/Bindings/serial/renesas,em-uart.yaml @@ -1,20 +1,24 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/serial/renesas,em-uart.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/serial/renesas,em-uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Renesas EMMA Mobile UART Interface maintainers: - Magnus Damm <magnus.damm@gmail.com> -allOf: - - $ref: serial.yaml# - properties: compatible: - const: renesas,em-uart + oneOf: + - items: + - enum: + - renesas,r9a09g011-uart # RZ/V2M + - const: renesas,em-uart # generic EMMA Mobile compatible UART + + - items: + - const: renesas,em-uart # generic EMMA Mobile compatible UART reg: maxItems: 1 @@ -23,10 +27,16 @@ properties: maxItems: 1 clocks: - maxItems: 1 + minItems: 1 + items: + - description: UART functional clock + - description: Internal clock to access the registers clock-names: - const: sclk + minItems: 1 + items: + - const: sclk + - const: pclk required: - compatible @@ -35,15 +45,30 @@ required: - clocks - clock-names +allOf: + - $ref: serial.yaml# + + - if: + properties: + compatible: + contains: + const: renesas,r9a09g011-uart + then: + properties: + clocks: + minItems: 2 + clock-names: + minItems: 2 + unevaluatedProperties: false examples: - | #include <dt-bindings/interrupt-controller/arm-gic.h> uart0: serial@e1020000 { - compatible = "renesas,em-uart"; - reg = <0xe1020000 0x38>; - interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&usia_u0_sclk>; - clock-names = "sclk"; + compatible = "renesas,em-uart"; + reg = <0xe1020000 0x38>; + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&usia_u0_sclk>; + clock-names = "sclk"; }; |