From: Arturs Artamonovs <arturs.artamonovs@xxxxxxxxxx> Add serial driver bindings. Signed-off-by: Arturs Artamonovs <Arturs.Artamonovs@xxxxxxxxxx> Signed-off-by: Utsav Agarwal <Utsav.Agarwal@xxxxxxxxxx> Co-developed-by: Nathan Barrett-Morrison <nathan.morrison@xxxxxxxxxxx> Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@xxxxxxxxxxx> Co-developed-by: Greg Malysa <greg.malysa@xxxxxxxxxxx> Signed-off-by: Greg Malysa <greg.malysa@xxxxxxxxxxx> --- .../devicetree/bindings/serial/adi,uart.yaml | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/adi,uart.yaml b/Documentation/devicetree/bindings/serial/adi,uart.yaml new file mode 100644 index 0000000000000000000000000000000000000000..de58059efa7e21acaa5b7f4984ffadca18f7f53a --- /dev/null +++ b/Documentation/devicetree/bindings/serial/adi,uart.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/adi,uart4.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices UART Driver for SC5XX-family processors + +maintainers: + - Arturs Artamonovs <arturs.artamonovs@xxxxxxxxxx> + - Utsav Agarwal <Utsav.Agarwal@xxxxxxxxxx> + +description: | + Analog Devices UART Driver for SC59X-family processors + +properties: + compatible: + enum: + - adi,uart + + reg: + maxItems: 1 + + dmas: + maxItems: 2 + minItems: 2 + description: TX and RX DMA cluster numbers + + dma-names: + maxItems: 2 + minItems: 2 + description: DMA channel names (tx and rx) + + clocks: + maxItems: 1 + description: Clock being used for UART + + clock-names: + maxItems: 1 + description: Clock name (sclk0) + + interrupt-names: + minItems: 3 + maxItems: 3 + description: Interrupt names (tx + rx + status) + + interrupts: + minItems: 3 + maxItems: 3 + description: GIC interrupt numbers + + adi,use-edbo: + type: boolean + description: Enable divide by one in divisor + +required: + - compatible + - reg + - clocks + - clock-names + - interrupt-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/adi-sc5xx-clock.h> + + uart0: uart@31003000 { + compatible = "adi,uart"; + reg = <0x31003000 0x40>; + clocks = <&clk ADSP_SC598_CLK_CGU0_SCLK0>; + clock-names = "sclk0"; + interrupt-parent = <&gic>; + interrupt-names = "tx", "rx", "status"; + interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; + adi,use-edbo; + status = "disabled"; + }; + -- 2.25.1
