diff options
Diffstat (limited to 'dts/Bindings/serial')
| -rw-r--r-- | dts/Bindings/serial/8250.txt | 19 | ||||
| -rw-r--r-- | dts/Bindings/serial/cirrus,clps711x-uart.txt | 4 | ||||
| -rw-r--r-- | dts/Bindings/serial/mtk-uart.txt | 1 | ||||
| -rw-r--r-- | dts/Bindings/serial/qcom,msm-uartdm.txt | 4 | ||||
| -rw-r--r-- | dts/Bindings/serial/renesas,sci-serial.txt | 6 |
5 files changed, 30 insertions, 4 deletions
diff --git a/dts/Bindings/serial/8250.txt b/dts/Bindings/serial/8250.txt index 936ab5b873..f5561ac7e1 100644 --- a/dts/Bindings/serial/8250.txt +++ b/dts/Bindings/serial/8250.txt @@ -42,6 +42,9 @@ Optional properties: - auto-flow-control: one way to enable automatic flow control support. The driver is allowed to detect support for the capability even without this property. +- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD + line respectively. It will use specified GPIO instead of the peripheral + function pin for the UART feature. If unsure, don't specify this property. Note: * fsl,ns16550: @@ -63,3 +66,19 @@ Example: interrupts = <10>; reg-shift = <2>; }; + +Example for OMAP UART using GPIO-based modem control signals: + + uart4: serial@49042000 { + compatible = "ti,omap3-uart"; + reg = <0x49042000 0x400>; + interrupts = <80>; + ti,hwmods = "uart4"; + clock-frequency = <48000000>; + cts-gpios = <&gpio3 5 GPIO_ACTIVE_LOW>; + rts-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; + dtr-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>; + dsr-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; + dcd-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>; + rng-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>; + }; diff --git a/dts/Bindings/serial/cirrus,clps711x-uart.txt b/dts/Bindings/serial/cirrus,clps711x-uart.txt index caaeb25835..07013fa60a 100644 --- a/dts/Bindings/serial/cirrus,clps711x-uart.txt +++ b/dts/Bindings/serial/cirrus,clps711x-uart.txt @@ -1,7 +1,7 @@ * Cirrus Logic CLPS711X Universal Asynchronous Receiver/Transmitter (UART) Required properties: -- compatible: Should be "cirrus,clps711x-uart". +- compatible: Should be "cirrus,ep7209-uart". - reg: Address and length of the register set for the device. - interrupts: Should contain UART TX and RX interrupt. - clocks: Should contain UART core clock number. @@ -20,7 +20,7 @@ Example: }; uart1: uart@80000480 { - compatible = "cirrus,clps711x-uart"; + compatible = "cirrus,ep7312-uart","cirrus,ep7209-uart"; reg = <0x80000480 0x80>; interrupts = <12 13>; clocks = <&clks 11>; diff --git a/dts/Bindings/serial/mtk-uart.txt b/dts/Bindings/serial/mtk-uart.txt index e99e10ab9e..0015c722be 100644 --- a/dts/Bindings/serial/mtk-uart.txt +++ b/dts/Bindings/serial/mtk-uart.txt @@ -6,6 +6,7 @@ Required properties: * "mediatek,mt6580-uart" for MT6580 compatible UARTS * "mediatek,mt6582-uart" for MT6582 compatible UARTS * "mediatek,mt6589-uart" for MT6589 compatible UARTS + * "mediatek,mt6755-uart" for MT6755 compatible UARTS * "mediatek,mt6795-uart" for MT6795 compatible UARTS * "mediatek,mt7623-uart" for MT7623 compatible UARTS * "mediatek,mt8127-uart" for MT8127 compatible UARTS diff --git a/dts/Bindings/serial/qcom,msm-uartdm.txt b/dts/Bindings/serial/qcom,msm-uartdm.txt index 182777fac9..d5f73b8f61 100644 --- a/dts/Bindings/serial/qcom,msm-uartdm.txt +++ b/dts/Bindings/serial/qcom,msm-uartdm.txt @@ -28,10 +28,10 @@ Optional properties: - dma-names: Should contain "tx" for transmit and "rx" for receive channels - qcom,tx-crci: Identificator <u32> for Client Rate Control Interface to be used with TX DMA channel. Required when using DMA for transmission - with UARTDM v1.3 and bellow. + with UARTDM v1.3 and below. - qcom,rx-crci: Identificator <u32> for Client Rate Control Interface to be used with RX DMA channel. Required when using DMA for reception - with UARTDM v1.3 and bellow. + with UARTDM v1.3 and below. Note: Aliases may be defined to ensure the correct ordering of the UARTs. The alias serialN will result in the UART being assigned port N. If any diff --git a/dts/Bindings/serial/renesas,sci-serial.txt b/dts/Bindings/serial/renesas,sci-serial.txt index 528c3b90f2..1e4000d83a 100644 --- a/dts/Bindings/serial/renesas,sci-serial.txt +++ b/dts/Bindings/serial/renesas,sci-serial.txt @@ -31,6 +31,8 @@ Required properties: - "renesas,hscif-r8a7794" for R8A7794 (R-Car E2) HSCIF compatible UART. - "renesas,scif-r8a7795" for R8A7795 (R-Car H3) SCIF compatible UART. - "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART. + - "renesas,scif-r8a7796" for R8A7796 (R-Car M3-W) SCIF compatible UART. + - "renesas,hscif-r8a7796" for R8A7796 (R-Car M3-W) HSCIF compatible UART. - "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART. - "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART. - "renesas,rcar-gen1-scif" for R-Car Gen1 SCIF compatible UART, @@ -76,6 +78,10 @@ Optional properties: - dmas: Must contain a list of two references to DMA specifiers, one for transmission, and one for reception. - dma-names: Must contain a list of two DMA names, "tx" and "rx". + - {cts,dsr,dcd,rng,rts,dtr}-gpios: Specify GPIOs for modem lines, cfr. the + generic serial DT bindings in serial.txt. + - uart-has-rtscts: Indicates dedicated lines for RTS/CTS hardware flow + control, cfr. the generic serial DT bindings in serial.txt. Example: aliases { |