[PATCH] clk: at91: allow setting PMC_AUDIOPINCK clock parents via DT

From: Zixun LI
Date: Tue Jan 11 2022 - 09:21:51 EST


Make AUDIOPINCK accessible via phandle to select it
as peripheral clock parent using assigned-clock-parents in DT
where available.

Signed-off-by: Zixun LI <admin@xxxxxxxxxxxxx>
Reviewed-by: Claudiu Beznea <Claudiu.Beznea@xxxxxxxxxxxxx>
---
drivers/clk/at91/sama5d2.c | 4 +++-
include/dt-bindings/clock/at91.h | 1 +
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index d027294a0089..f479e39e3bb2 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -168,7 +168,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
if (IS_ERR(regmap))
return;

- sama5d2_pmc = pmc_data_allocate(PMC_AUDIOPLLCK + 1,
+ sama5d2_pmc = pmc_data_allocate(PMC_AUDIOPINCK + 1,
nck(sama5d2_systemck),
nck(sama5d2_periph32ck),
nck(sama5d2_gck), 3);
@@ -216,6 +216,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
if (IS_ERR(hw))
goto err_free;

+ sama5d2_pmc->chws[PMC_AUDIOPINCK] = hw;
+
hw = at91_clk_register_audio_pll_pmc(regmap, "audiopll_pmcck",
"audiopll_fracck");
if (IS_ERR(hw))
diff --git a/include/dt-bindings/clock/at91.h b/include/dt-bindings/clock/at91.h
index 98e1b2ab6403..573cf8c25eb4 100644
--- a/include/dt-bindings/clock/at91.h
+++ b/include/dt-bindings/clock/at91.h
@@ -24,6 +24,7 @@
#define PMC_PLLACK 7
#define PMC_PLLBCK 8
#define PMC_AUDIOPLLCK 9
+#define PMC_AUDIOPINCK 10

/* SAMA7G5 */
#define PMC_CPUPLL (PMC_MAIN + 1)
--
2.30.2