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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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3
drivers/clk/at91/pmc.h
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@@ -168,7 +168,8 @@ struct clk_hw * __init
at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
const struct clk_pcr_layout *layout,
const char *name, const char *parent_name,
u32 id, const struct clk_range *range);
u32 id, const struct clk_range *range,
int chg_pid);
struct clk_hw * __init
at91_clk_register_pll(struct regmap *regmap, const char *name,