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clk: at91: allow setting all PMC clock parents via DT

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We need to have clocks accessible via phandle to select them
as peripheral clock parent using assigned-clock-parents in DT.
Add support for PLLACK/PLLBCK/AUDIOPLLCK clocks where available.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lkml.kernel.org/r/fa39cc10dab8341ea4bc2b7152be9217b2cd34a5.1588630999.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Michał Mirosław
2020-05-05 00:37:57 +02:00
committed by Stephen Boyd
parent 99767cd440
commit 03a1ee1dad
11 changed files with 41 additions and 10 deletions
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4
drivers/clk/at91/at91sam9x5.c
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@@ -150,7 +150,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
if (IS_ERR(regmap))
return;
at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1,
at91sam9x5_pmc = pmc_data_allocate(PMC_PLLACK + 1,
nck(at91sam9x5_systemck), 31, 0, 2);
if (!at91sam9x5_pmc)
return;
@@ -184,6 +184,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
if (IS_ERR(hw))
goto err_free;
at91sam9x5_pmc->chws[PMC_PLLACK] = hw;
hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
if (IS_ERR(hw))
goto err_free;