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authorPeng Fan <peng.fan@nxp.com>2023-04-03 17:52:54 +0800
committerAbel Vesa <abel.vesa@linaro.org>2023-04-09 16:48:54 +0300
commitcf8dccfedce848f67eaa42e8839305d028319161 (patch)
treeaa4a2914d402308492aca08d96d17ee9489b244d /drivers/clk
parent7875ee29f877dc76dae2d04648b95811f6a05b41 (diff)
clk: imx: fracn-gppll: fix the rate table
The Fvco should be range 2.4GHz to 5GHz, the original table voilate the spec, so update the table to fix it. Fixes: c196175acdd3 ("clk: imx: clk-fracn-gppll: Add more freq config for video pll") Fixes: 044034efbeea ("clk: imx: clk-fracn-gppll: fix mfd value") Fixes: 1b26cb8a77a4 ("clk: imx: support fracn gppll") Signed-off-by: Jacky Bai <ping.bai@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Abel Vesa <abel.vesa@linaro.org> Link: https://lore.kernel.org/r/20230403095300.3386988-2-peng.fan@oss.nxp.com Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/imx/clk-fracn-gppll.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c
index a2aaa14fc1ae..ec50c41e2a4c 100644
--- a/drivers/clk/imx/clk-fracn-gppll.c
+++ b/drivers/clk/imx/clk-fracn-gppll.c
@@ -60,18 +60,20 @@ struct clk_fracn_gppll {
};
/*
- * Fvco = Fref * (MFI + MFN / MFD)
- * Fout = Fvco / (rdiv * odiv)
+ * Fvco = (Fref / rdiv) * (MFI + MFN / MFD)
+ * Fout = Fvco / odiv
+ * The (Fref / rdiv) should be in range 20MHz to 40MHz
+ * The Fvco should be in range 2.5Ghz to 5Ghz
*/
static const struct imx_fracn_gppll_rate_table fracn_tbl[] = {
- PLL_FRACN_GP(650000000U, 81, 0, 1, 0, 3),
+ PLL_FRACN_GP(650000000U, 162, 50, 100, 0, 6),
PLL_FRACN_GP(594000000U, 198, 0, 1, 0, 8),
- PLL_FRACN_GP(560000000U, 70, 0, 1, 0, 3),
- PLL_FRACN_GP(498000000U, 83, 0, 1, 0, 4),
+ PLL_FRACN_GP(560000000U, 140, 0, 1, 0, 6),
+ PLL_FRACN_GP(498000000U, 166, 0, 1, 0, 8),
PLL_FRACN_GP(484000000U, 121, 0, 1, 0, 6),
PLL_FRACN_GP(445333333U, 167, 0, 1, 0, 9),
- PLL_FRACN_GP(400000000U, 50, 0, 1, 0, 3),
- PLL_FRACN_GP(393216000U, 81, 92, 100, 0, 5)
+ PLL_FRACN_GP(400000000U, 200, 0, 1, 0, 12),
+ PLL_FRACN_GP(393216000U, 163, 84, 100, 0, 10)
};
struct imx_fracn_gppll_clk imx_fracn_gppll = {