clk: imx: imx6ul: fix default parent for enet*_ref_sel

The clk_set_parent for "enet1_ref_sel" and  "enet2_ref_sel" are
incorrect, therefore the original requirements to have "enet_clk_ref" as
output sourced by iMX ENET PLL as a default config is not met.

Only "enet[1,2]_ref_125m" "enet[1,2]_ref_pad" are possible parents for
"enet1_ref_sel" and "enet2_ref_sel".

This was observed as a regression using a custom device tree which was
expecting this default config.

This can be fixed at the device tree level but having a default config
matching the original behavior (before refclock mux) will avoid breaking
existing configs.

Fixes: 4e197ee ("clk: imx6ul: add ethernet refclock mux support")
Link: https://lore.kernel.org/lkml/20230306020226.GC143566@dragon/T/
Signed-off-by: Sebastien Laveze <[email protected]>
Reviewed-by: Oleksij Rempel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Abel Vesa <[email protected]>

Author: sl8vz

drivers/clk/imx/clk-imx6ul.c

@@ -542,8 +542,8 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
 
 	clk_set_parent(hws[IMX6UL_CLK_ENFC_SEL]->clk, hws[IMX6UL_CLK_PLL2_PFD2]->clk);
 
-	clk_set_parent(hws[IMX6UL_CLK_ENET1_REF_SEL]->clk, hws[IMX6UL_CLK_ENET_REF]->clk);
-	clk_set_parent(hws[IMX6UL_CLK_ENET2_REF_SEL]->clk, hws[IMX6UL_CLK_ENET2_REF]->clk);
+	clk_set_parent(hws[IMX6UL_CLK_ENET1_REF_SEL]->clk, hws[IMX6UL_CLK_ENET1_REF_125M]->clk);
+	clk_set_parent(hws[IMX6UL_CLK_ENET2_REF_SEL]->clk, hws[IMX6UL_CLK_ENET2_REF_125M]->clk);
 
 	imx_register_uart_clocks();
 }