Cache the value of the reg-io-width property for the future use.
Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com --- drivers/serial/ns16550.c | 1 + include/ns16550.h | 2 ++ 2 files changed, 3 insertions(+)
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index f9041aa626..b51b56de9f 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -408,6 +408,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
plat->reg_offset = dev_read_u32_default(dev, "reg-offset", 0); plat->reg_shift = dev_read_u32_default(dev, "reg-shift", 0); + plat->reg_width = dev_read_u32_default(dev, "reg-io-width", 1);
err = clk_get_by_index(dev, 0, &clk); if (!err) { diff --git a/include/ns16550.h b/include/ns16550.h index f565645d65..22b89e4d6d 100644 --- a/include/ns16550.h +++ b/include/ns16550.h @@ -49,11 +49,13 @@ * struct ns16550_platdata - information about a NS16550 port * * @base: Base register address + * @reg_width: IO accesses size of registers (in bytes) * @reg_shift: Shift size of registers (0=byte, 1=16bit, 2=32bit...) * @clock: UART base clock speed in Hz */ struct ns16550_platdata { unsigned long base; + int reg_width; int reg_shift; int reg_offset; int clock;