On Mon, Sep 23, 2019 at 10:24:42AM +0800, Ji-Ze Hong (Peter Hong) wrote:
> The Fintek F81532A/534A/535/536 is USB-to-2/4/8/12 serial ports device
> and the serial port is default disabled when plugin computer.
>
> The part number is a bit same with F81532/534, but F81534A series UART
> core is enhanced from F81232, not F81532/534.
>
> The IC is contains devices as following:
> 1. HUB (all devices is connected with this hub)
> 2. GPIO/Control device. (enable serial port and control all GPIOs)
> 3. serial port 1 to x (2/4/8/12)
>
> It's most same with F81232, the UART device is difference as follow:
> 1. TX/RX bulk size is 128/512bytes
> 2. RX bulk layout change:
> F81232: [LSR(1Byte)+DATA(1Byte)][LSR(1Byte)+DATA(1Byte)]...
> F81534A:[LEN][Data.][LSR]
>
> We'll try to do some code refacting before add F81534A series.
Make sure to always provide a changelog when sending an updated series
(either here for the entire series or below the --- line in the
individual patches).
What has changed since v1?
> Ji-Ze Hong (Peter Hong) (7):
> USB: serial: f81232: Extract LSR handler
> USB: serial: f81232: Add tx_empty function
> USB: serial: f81232: Use devm_kzalloc
> USB: serial: f81232: Add F81534A support
> USB: serial: f81232: Set F81534A serial port with RS232 mode
> USB: serial: f81232: Add generator for F81534A
> USB: serial: f81232: Add gpiolib to GPIO device
>
> drivers/usb/serial/f81232.c | 604 ++--
> 1 file changed, 570 insertions(+), 34 deletions(-)
Johan
