diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/8250.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/8250.yaml | 59 |
1 files changed, 45 insertions, 14 deletions
diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index c1d4c196f005..692aa05500fd 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -4,16 +4,22 @@ $id: http://devicetree.org/schemas/serial/8250.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: UART (Universal Asynchronous Receiver/Transmitter) bindings +title: UART (Universal Asynchronous Receiver/Transmitter) maintainers: - devicetree@vger.kernel.org allOf: - - $ref: /schemas/serial.yaml# + - $ref: serial.yaml# + - $ref: /schemas/memory-controllers/mc-peripheral-props.yaml# - if: - required: - - aspeed,sirq-polarity-sense + anyOf: + - required: + - aspeed,lpc-io-reg + - required: + - aspeed,lpc-interrupts + - required: + - aspeed,sirq-polarity-sense then: properties: compatible: @@ -55,11 +61,18 @@ properties: - const: aspeed,ast2500-vuart - const: intel,xscale-uart - const: mrvl,pxa-uart + - const: nuvoton,wpcm450-uart - const: nuvoton,npcm750-uart - const: nvidia,tegra20-uart - const: nxp,lpc3220-uart - items: - enum: + - exar,xr16l2552 + - exar,xr16l2551 + - exar,xr16l2550 + - const: ns8250 + - items: + - enum: - altr,16550-FIFO32 - altr,16550-FIFO64 - altr,16550-FIFO128 @@ -81,6 +94,10 @@ properties: - ns16550a - items: - enum: + - nuvoton,npcm845-uart + - const: nuvoton,npcm750-uart + - items: + - enum: - ralink,mt7620a-uart - ralink,rt3052-uart - ralink,rt3883-uart @@ -94,11 +111,6 @@ properties: - mediatek,mt7623-btif - const: mediatek,mtk-btif - items: - - enum: - - mediatek,mt7622-btif - - mediatek,mt7623-btif - - const: mediatek,mtk-btif - - items: - const: mrvl,mmp-uart - const: intel,xscale-uart - items: @@ -106,9 +118,10 @@ properties: - nvidia,tegra30-uart - nvidia,tegra114-uart - nvidia,tegra124-uart + - nvidia,tegra210-uart - nvidia,tegra186-uart - nvidia,tegra194-uart - - nvidia,tegra210-uart + - nvidia,tegra234-uart - const: nvidia,tegra20-uart reg: @@ -126,10 +139,11 @@ properties: maxItems: 1 current-speed: - $ref: /schemas/types.yaml#definitions/uint32 + $ref: /schemas/types.yaml#/definitions/uint32 description: The current active speed of the UART. reg-offset: + $ref: /schemas/types.yaml#/definitions/uint32 description: | Offset to apply to the mapbase from the start of the registers. @@ -154,7 +168,7 @@ properties: Set to indicate that the port does not implement loopback test mode. fifo-size: - $ref: /schemas/types.yaml#definitions/uint32 + $ref: /schemas/types.yaml#/definitions/uint32 description: The fifo size of the UART. auto-flow-control: @@ -165,7 +179,6 @@ properties: property. tx-threshold: - $ref: /schemas/types.yaml#definitions/uint32 description: | Specify the TX FIFO low water indication for parts with programmable TX FIFO thresholds. @@ -188,6 +201,22 @@ properties: offset and bit number to identify how the SIRQ polarity should be configured. One possible data source is the LPC/eSPI mode bit. Only applicable to aspeed,ast2500-vuart. + deprecated: true + + aspeed,lpc-io-reg: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 1 + description: | + The VUART LPC address. Only applicable to aspeed,ast2500-vuart. + + aspeed,lpc-interrupts: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + description: | + A 2-cell property describing the VUART SIRQ number and SIRQ + polarity (IRQ_TYPE_LEVEL_LOW or IRQ_TYPE_LEVEL_HIGH). Only + applicable to aspeed,ast2500-vuart. required: - reg @@ -220,6 +249,7 @@ examples: }; - | #include <dt-bindings/clock/aspeed-clock.h> + #include <dt-bindings/interrupt-controller/irq.h> serial@1e787000 { compatible = "aspeed,ast2500-vuart"; reg = <0x1e787000 0x40>; @@ -227,7 +257,8 @@ examples: interrupts = <8>; clocks = <&syscon ASPEED_CLK_APB>; no-loopback-test; - aspeed,sirq-polarity-sense = <&syscon 0x70 25>; + aspeed,lpc-io-reg = <0x3f8>; + aspeed,lpc-interrupts = <4 IRQ_TYPE_LEVEL_LOW>; }; ... |