clk: imx: imx8mm: fix audio pll setting
authorPeng Fan <peng.fan@nxp.com>
Mon, 15 Jul 2019 02:55:43 +0000 (02:55 +0000)
committerShawn Guo <shawnguo@kernel.org>
Sat, 3 Aug 2019 07:16:04 +0000 (09:16 +0200)
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>
Acked-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
drivers/clk/imx/clk-imx8mm.c

index b914771e9878a21faa4d7e2897f323bf4b41f110..359014dec0deeb51e85cc3b0aa54f7f7e239c9f7 100644 (file)
@@ -38,8 +38,8 @@ 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[] = {