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Diffstat (limited to 'Documentation/devicetree/bindings/serial/ingenic,uart.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/serial/ingenic,uart.yaml | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/ingenic,uart.yaml b/Documentation/devicetree/bindings/serial/ingenic,uart.yaml new file mode 100644 index 000000000..559213899 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/ingenic,uart.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/ingenic,uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs UART controller devicetree bindings + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +allOf: + - $ref: /schemas/serial.yaml# + +properties: + $nodename: + pattern: "^serial@[0-9a-f]+$" + + compatible: + oneOf: + - enum: + - ingenic,jz4740-uart + - ingenic,jz4760-uart + - ingenic,jz4780-uart + - ingenic,x1000-uart + - items: + - enum: + - ingenic,jz4770-uart + - ingenic,jz4775-uart + - const: ingenic,jz4760-uart + - items: + - const: ingenic,jz4725b-uart + - const: ingenic,jz4740-uart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Baud clock + - description: UART module clock + + clock-names: + items: + - const: baud + - const: module + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: + items: + - const: rx + - const: tx + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - dmas + - dma-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/jz4780-cgu.h> + #include <dt-bindings/dma/jz4780-dma.h> + #include <dt-bindings/gpio/gpio.h> + serial@10032000 { + compatible = "ingenic,jz4780-uart"; + reg = <0x10032000 0x100>; + + interrupt-parent = <&intc>; + interrupts = <49>; + + clocks = <&ext>, <&cgu JZ4780_CLK_UART2>; + clock-names = "baud", "module"; + + dmas = <&dma JZ4780_DMA_UART2_RX 0xffffffff>, + <&dma JZ4780_DMA_UART2_TX 0xffffffff>; + dma-names = "rx", "tx"; + + bluetooth { + compatible = "brcm,bcm4330-bt"; + reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>; + vcc-supply = <&wlan0_power>; + device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>; + host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>; + shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>; + }; + }; |