On Mon, Mar 22, 2021 at 07:10:12PM +0800, Yicong Yang wrote:
> Add HiSilicon I2C controller driver for the Kunpeng SoC. It provides
> the access to the i2c busses, which connects to the eeprom, rtc, etc.
>
> The driver works with IRQ mode, and supports basic I2C features and 10bit
> address. The DMA is not supported.
...
> +static const char *hisi_i2c_speed_string(u32 bus_freq_hz)
> +{
> + switch (bus_freq_hz) {
> + case I2C_MAX_STANDARD_MODE_FREQ:
> + return "100K";
> + case I2C_MAX_FAST_MODE_FREQ:
> + return "400K";
> + case I2C_MAX_HIGH_SPEED_MODE_FREQ:
> + return "3.4M";
> + default:
> + return "unknown";
> + }
> +}
Just realized that if you print the name of the mode (and maybe frequency
value) then it can be moved to generic I²C code and other will benefit out of
this (DesignWare is the first in my mind).
--
With Best Regards,
Andy Shevchenko
