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clk: at91: clk-peripheral: add support for changeable parent rate

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Some peripheral clocks on SAMA7G5 supports requesting parent to change
its rate (image related clocks: csi, csi2dc, isc). Add support
so that if registered with this option the clock rate to be
requested from parent.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1595403506-8209-14-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Claudiu Beznea
2020-07-22 10:38:21 +03:00
committed by Stephen Boyd
parent 75c88143f3
commit b4c115c761
9 changed files with 119 additions and 16 deletions
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4
drivers/clk/at91/at91sam9x5.c
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@@ -257,7 +257,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
at91sam9x5_periphck[i].n,
"masterck",
at91sam9x5_periphck[i].id,
&range);
&range, INT_MIN);
if (IS_ERR(hw))
goto err_free;
@@ -270,7 +270,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
extra_pcks[i].n,
"masterck",
extra_pcks[i].id,
&range);
&range, INT_MIN);
if (IS_ERR(hw))
goto err_free;