clk: imx: imx8mn: fix audio pll setting
authorPeng Fan <peng.fan@nxp.com>
Tue, 20 Aug 2019 01:55:07 +0000 (01:55 +0000)
committerShawn Guo <shawnguo@kernel.org>
Sat, 24 Aug 2019 19:04:27 +0000 (21:04 +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.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
drivers/clk/imx/clk-imx8mn.c

index f41116d..cc65c13 100644 (file)
@@ -53,8 +53,8 @@ static const struct imx_pll14xx_rate_table imx8mn_pll1416x_tbl[] = {
 };
 
 static const struct imx_pll14xx_rate_table imx8mn_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 imx8mn_videopll_tbl[] = {