[PATCH v2] clk: at91: sam9x60: Don't use audio PLL

[PATCH v2] clk: at91: sam9x60: Don't use audio PLL

[Codrin Ciubotariu]

On sam9x60, there is not audio PLL and so I2S and classD have to use one
of the best matching parents for their generated clock.

Fixes: 01e2113de9a5 ("clk: at91: add sam9x60 pmc driver")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---

Changes in v2:
 - removed pll member entirely;

 drivers/clk/at91/sam9x60.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
index 77398aefeb6d..bacb32c15b26 100644
--- a/drivers/clk/at91/sam9x60.c
+++ b/drivers/clk/at91/sam9x60.c
@@ -124,7 +124,6 @@ static const struct {
 	char *n;
 	u8 id;
 	struct clk_range r;
-	bool pll;
 } sam9x60_gck[] = {
 	{ .n = "flex0_gclk",  .id = 5, },
 	{ .n = "flex1_gclk",  .id = 6, },
@@ -144,11 +143,9 @@ static const struct {
 	{ .n = "sdmmc1_gclk", .id = 26, .r = { .min = 0, .max = 105000000 }, },
 	{ .n = "flex11_gclk", .id = 32, },
 	{ .n = "flex12_gclk", .id = 33, },
-	{ .n = "i2s_gclk",    .id = 34, .r = { .min = 0, .max = 105000000 },
-		.pll = true, },
+	{ .n = "i2s_gclk",    .id = 34, .r = { .min = 0, .max = 105000000 }, },
 	{ .n = "pit64b_gclk", .id = 37, },
-	{ .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 },
-		.pll = true, },
+	{ .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, },
 	{ .n = "tcb1_gclk",   .id = 45, },
 	{ .n = "dbgu_gclk",   .id = 47, },
 };
@@ -290,7 +287,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
 						 sam9x60_gck[i].n,
 						 parent_names, 6,
 						 sam9x60_gck[i].id,
-						 sam9x60_gck[i].pll,
+						 false,
 						 &sam9x60_gck[i].r);
 		if (IS_ERR(hw))
 			goto err_free;
-- 
2.20.1

Re: [PATCH v2] clk: at91: sam9x60: Don't use audio PLL

[Stephen Boyd]

Quoting Codrin Ciubotariu (2020-01-31 03:58:16)
> On sam9x60, there is not audio PLL and so I2S and classD have to use one
> of the best matching parents for their generated clock.
> 
> Fixes: 01e2113de9a5 ("clk: at91: add sam9x60 pmc driver")
> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
> ---

Applied to clk-next