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| author | Yicong Yang <yangyicong@hisilicon.com> | 2021-04-08 19:17:18 +0800 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2021-04-10 21:53:51 +0200 |
| commit | 3b4c747cd32078172dd238929e38a43cfed83580 (patch) | |
| tree | 893a135beeddecfbe093a101014ec31a1faf218c /include/linux/i2c.h | |
| parent | 07740c92ae57ca21204f1e0c6f59272cdf3190cc (diff) | |
| download | linux-3b4c747cd32078172dd238929e38a43cfed83580.tar.gz linux-3b4c747cd32078172dd238929e38a43cfed83580.tar.bz2 linux-3b4c747cd32078172dd238929e38a43cfed83580.zip | |
i2c: core: add api to provide frequency mode strings
Some I2C drivers like Designware and HiSilicon will print the
bus frequency mode information, so add a public one that everyone
can make use of.
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'include/linux/i2c.h')
| -rw-r--r-- | include/linux/i2c.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index ce473ddc0378..e5d8b9dad6bf 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -51,6 +51,9 @@ struct module; struct property_entry; #if IS_ENABLED(CONFIG_I2C) +/* Return the Frequency mode string based on the bus frequency */ +const char *i2c_freq_mode_string(u32 bus_freq_hz); + /* * The master routines are the ones normally used to transmit data to devices * on a bus (or read from them). Apart from two basic transfer functions to |