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
