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Diffstat (limited to 'sys/contrib/device-tree/Bindings/serial/cdns,uart.yaml')
-rw-r--r-- | sys/contrib/device-tree/Bindings/serial/cdns,uart.yaml | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sys/contrib/device-tree/Bindings/serial/cdns,uart.yaml b/sys/contrib/device-tree/Bindings/serial/cdns,uart.yaml new file mode 100644 index 000000000000..e35ad1109efc --- /dev/null +++ b/sys/contrib/device-tree/Bindings/serial/cdns,uart.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/cdns,uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence UART Controller + +maintainers: + - Michal Simek <michal.simek@amd.com> + +properties: + compatible: + oneOf: + - description: UART controller for Zynq-7xxx SoC + items: + - const: xlnx,xuartps + - const: cdns,uart-r1p8 + - description: UART controller for Zynq Ultrascale+ MPSoC + items: + - const: xlnx,zynqmp-uart + - const: cdns,uart-r1p12 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: uart_clk + - const: pclk + + cts-override: + description: | + Override the CTS modem status signal. This signal will + always be reported as active instead of being obtained + from the modem status register. Define this if your serial + port does not use this pin. + type: boolean + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +allOf: + - $ref: serial.yaml# + - if: + properties: + compatible: + contains: + const: cdns,uart-r1p8 + then: + properties: + power-domains: false + +unevaluatedProperties: false + +examples: + - | + uart0: serial@e0000000 { + compatible = "xlnx,xuartps", "cdns,uart-r1p8"; + clocks = <&clkc 23>, <&clkc 40>; + clock-names = "uart_clk", "pclk"; + reg = <0xe0000000 0x1000>; + interrupts = <0 27 4>; + }; |