[PATCH] clk: imx: imx8mm: fix audio pll setting

* [PATCH] clk: imx: imx8mm: fix audio pll setting
@ 2019-07-15  2:55 Peng Fan
  2019-07-15  7:27 ` Abel Vesa
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Peng Fan @ 2019-07-15  2:55 UTC (permalink / raw)
  To: mturquette, sboyd, shawnguo, s.hauer, kernel, festevam
  Cc: dl-linux-imx, Leonard Crestez, Anson Huang, Jacky Bai, linux-clk,
	linux-arm-kernel, linux-kernel, van.freenix, Peng Fan, stable

From: Peng Fan <peng.fan@nxp.com>

The AUDIO PLL max support 650M, so the original clk settings violate
spec. This patch makes the output 786432000 -> 393216000,
and 722534400 -> 361267200 to aligned with NXP vendor kernel without any
impact on audio functionality and go within 650MHz PLL limit.

Cc: <stable@vger.kernel.org>
Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clk/imx/clk-imx8mm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index 3a873e0e278f..b72bad064d8d 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -55,8 +55,8 @@ static const struct imx_pll14xx_rate_table imx8mm_pll1416x_tbl[] = {
 };
 
 static const struct imx_pll14xx_rate_table imx8mm_audiopll_tbl[] = {
-	PLL_1443X_RATE(786432000U, 655, 5, 2, 23593),
-	PLL_1443X_RATE(722534400U, 301, 5, 1, 3670),
+	PLL_1443X_RATE(393216000U, 262, 2, 3, 9437),
+	PLL_1443X_RATE(361267200U, 361, 3, 3, 17511),
 };
 
 static const struct imx_pll14xx_rate_table imx8mm_videopll_tbl[] = {
-- 
2.16.4


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