diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
4 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt index c1091a923a89..0fa8e3e43bf8 100644 --- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt +++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt @@ -21,6 +21,8 @@ Optional properties: the second cell is used to specify the GPIO polarity: 0 = active high, 1 = active low. +- irda-mode-ports: An array that lists the indices of the port that + should operate in IrDA mode. Example: sc16is750: sc16is750@51 { @@ -55,6 +57,8 @@ Optional properties: the second cell is used to specify the GPIO polarity: 0 = active high, 1 = active low. +- irda-mode-ports: An array that lists the indices of the port that + should operate in IrDA mode. Example: sc16is750: sc16is750@0 { diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml index 8141e4aad530..fe90569475e1 100644 --- a/Documentation/devicetree/bindings/serial/rs485.yaml +++ b/Documentation/devicetree/bindings/serial/rs485.yaml @@ -41,4 +41,8 @@ properties: rs485-rx-during-tx: description: enables the receiving of data even while sending data. $ref: /schemas/types.yaml#/definitions/flag + + rs485-term-gpios: + description: GPIO pin to enable RS485 bus termination. + maxItems: 1 ... diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml index ff2f49fe322c..32a5e1e30833 100644 --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -29,6 +29,14 @@ properties: reg: maxItems: 1 + reg-io-width: + description: | + The size (in bytes) of the IO accesses that should be performed + on the device. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [ 1, 4 ] + clocks: minItems: 2 maxItems: 5 diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml index 238c44192d31..75b8521eb7cb 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml @@ -48,6 +48,12 @@ properties: minItems: 1 maxItems: 2 + cts-gpios: + maxItems: 1 + + rts-gpios: + maxItems: 1 + wakeup-source: true rs485-rts-delay: true @@ -55,6 +61,14 @@ properties: linux,rs485-enabled-at-boot-time: true rs485-rx-during-tx: true +if: + required: + - st,hw-flow-ctrl +then: + properties: + cts-gpios: false + rts-gpios: false + required: - compatible - reg |