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clk: mmp: frac: Allow setting bits other than the numerator/denominator

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For the I2S fractional clocks, there are more bits that need to be set
for the clock to run. Their actual meaning is unknown.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lkml.kernel.org/r/20200519224151.2074597-3-lkundrak@v3.sk
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Lubomir Rintel 2020-05-20 00:41:40 +02:00 committed by Stephen Boyd
parent 06030c4e33
commit 5278acc441
2 changed files with 4 additions and 0 deletions
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3
drivers/clk/mmp/clk-frac.c
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@ -148,7 +148,10 @@ static int clk_factor_init(struct clk_hw *hw)
val &= ~(masks->den_mask << masks->den_shift);
val |= (factor->ftbl[0].den & masks->den_mask) <<
masks->den_shift;
}
if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) {
val |= masks->enable_mask;
writel(val, factor->base);
}

1
drivers/clk/mmp/clk.h
View File

@ -16,6 +16,7 @@ struct mmp_clk_factor_masks {
unsigned int den_mask;
unsigned int num_shift;
unsigned int den_shift;
unsigned int enable_mask;
};
struct mmp_clk_factor_tbl {