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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-10 11:22:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-10 11:22:34 +0300 |
| commit | c4aa8b2a8b63a269d63acafc0358a7b9f5d9e563 (patch) | |
| tree | d04a7861e542665bb7c03aac729a72c957be8abc /drivers/i2c/busses/i2c-uniphier.c | |
| parent | 48d365de7746a000afd7f9f7cc1821cbb6fe9b45 (diff) | |
| parent | 40e020c129cfc991e8ab4736d2665351ffd1468d (diff) | |
| download | linux-c4aa8b2a8b63a269d63acafc0358a7b9f5d9e563.tar.xz | |
Merge 4.20-rc6 into char-misc-next
This should resolve the hv driver merge conflict.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-uniphier.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-uniphier.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c index 454f914ae66d..c488e558aef7 100644 --- a/drivers/i2c/busses/i2c-uniphier.c +++ b/drivers/i2c/busses/i2c-uniphier.c @@ -320,7 +320,13 @@ static void uniphier_i2c_hw_init(struct uniphier_i2c_priv *priv) uniphier_i2c_reset(priv, true); - writel((cyc / 2 << 16) | cyc, priv->membase + UNIPHIER_I2C_CLK); + /* + * Bit30-16: clock cycles of tLOW. + * Standard-mode: tLOW = 4.7 us, tHIGH = 4.0 us + * Fast-mode: tLOW = 1.3 us, tHIGH = 0.6 us + * "tLow/tHIGH = 5/4" meets both. + */ + writel((cyc * 5 / 9 << 16) | cyc, priv->membase + UNIPHIER_I2C_CLK); uniphier_i2c_reset(priv, false); } |