diff options
Diffstat (limited to 'Bindings/serial/snps-dw-apb-uart.txt')
| -rw-r--r-- | Bindings/serial/snps-dw-apb-uart.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Bindings/serial/snps-dw-apb-uart.txt b/Bindings/serial/snps-dw-apb-uart.txt index 7f76214f728a..12bbe9f22560 100644 --- a/Bindings/serial/snps-dw-apb-uart.txt +++ b/Bindings/serial/snps-dw-apb-uart.txt @@ -15,12 +15,27 @@ The supplying peripheral clock can also be handled, needing a second property Required elements: "baudclk", "apb_pclk" Optional properties: +- snps,uart-16550-compatible : reflects the value of UART_16550_COMPATIBLE + configuration parameter. Define this if your UART does not implement the busy + functionality. - resets : phandle to the parent reset controller. - reg-shift : quantity to shift the register offsets by. If this property is not present then the register offsets are not shifted. - 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 +46,10 @@ Example: interrupts = <10>; reg-shift = <2>; reg-io-width = <4>; + dcd-override; + dsr-override; + cts-override; + ri-override; }; Example with one clock: |