diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/8250.txt (renamed from Documentation/devicetree/bindings/serial/of-serial.txt) | 0 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/serial/axis,etraxfs-uart.txt | 19 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt (renamed from Documentation/devicetree/bindings/serial/bcm63xx-uart.txt) | 0 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/serial/omap_serial.txt | 20 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt | 16 |
5 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/of-serial.txt b/Documentation/devicetree/bindings/serial/8250.txt index 91d5ab0e60fc..91d5ab0e60fc 100644 --- a/Documentation/devicetree/bindings/serial/of-serial.txt +++ b/Documentation/devicetree/bindings/serial/8250.txt diff --git a/Documentation/devicetree/bindings/serial/axis,etraxfs-uart.txt b/Documentation/devicetree/bindings/serial/axis,etraxfs-uart.txt new file mode 100644 index 000000000000..ebcbb62c0a76 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/axis,etraxfs-uart.txt @@ -0,0 +1,19 @@ +ETRAX FS UART + +Required properties: +- compatible : "axis,etraxfs-uart" +- reg: offset and length of the register set for the device. +- interrupts: device interrupt + +Optional properties: +- {dtr,dsr,ri,cd}-gpios: specify a GPIO for DTR/DSR/RI/CD + line respectively. + +Example: + +serial@b00260000 { + compatible = "axis,etraxfs-uart"; + reg = <0xb0026000 0x1000>; + interrupts = <68>; + status = "disabled"; +}; diff --git a/Documentation/devicetree/bindings/serial/bcm63xx-uart.txt b/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt index 5c52e5eef16d..5c52e5eef16d 100644 --- a/Documentation/devicetree/bindings/serial/bcm63xx-uart.txt +++ b/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt index 342eedd10050..54c2a155c783 100644 --- a/Documentation/devicetree/bindings/serial/omap_serial.txt +++ b/Documentation/devicetree/bindings/serial/omap_serial.txt @@ -4,7 +4,27 @@ Required properties: - compatible : should be "ti,omap2-uart" for OMAP2 controllers - compatible : should be "ti,omap3-uart" for OMAP3 controllers - compatible : should be "ti,omap4-uart" for OMAP4 controllers +- reg : address and length of the register space +- interrupts or interrupts-extended : Should contain the uart interrupt + specifier or both the interrupt + controller phandle and interrupt + specifier. - ti,hwmods : Must be "uart<n>", n being the instance number (1-based) Optional properties: - clock-frequency : frequency of the clock input to the UART +- dmas : DMA specifier, consisting of a phandle to the DMA controller + node and a DMA channel number. +- dma-names : "rx" for receive channel, "tx" for transmit channel. + +Example: + + uart4: serial@49042000 { + compatible = "ti,omap3-uart"; + reg = <0x49042000 0x400>; + interrupts = <80>; + dmas = <&sdma 81 &sdma 82>; + dma-names = "tx", "rx"; + ti,hwmods = "uart4"; + clock-frequency = <48000000>; + }; diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt index 7f76214f728a..289c40ed7470 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.txt @@ -21,6 +21,18 @@ Optional properties: - reg-io-width : the size (in bytes) of the IO accesses that should be performed on the device. If this property is not present then single byte accesses are used. +- dcd-override : Override the DCD 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. +- dsr-override : Override the DTS 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. +- cts-override : 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. +- ri-override : Override the RI modem status signal. This signal will always be + reported as inactive instead of being obtained from the modem status register. + Define this if your serial port does not use this pin. Example: @@ -31,6 +43,10 @@ Example: interrupts = <10>; reg-shift = <2>; reg-io-width = <4>; + dcd-override; + dsr-override; + cts-override; + ri-override; }; Example with one clock: |