clk: starfive: jh7100: Add CLK_SET_RATE_PARENT to gmac_tx

This is needed by the dwmac-starfive ethernet driver to set the clock
for 1000, 100 and 10 Mbps links properly.

Signed-off-by: Emil Renner Berthing <[e-mail]>
Signed-off-by: Cristian Ciocaltea <[e-mail]>
Reviewed-by: Jacob Keller <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/starfive/clk-starfive-jh7100.c

···
 	JH71X0_GDIV(JH7100_CLK_GMAC_GTX, "gmac_gtxclk", 0, 255, JH7100_CLK_GMAC_ROOT_DIV),
 	JH71X0_GDIV(JH7100_CLK_GMAC_RMII_TX, "gmac_rmii_txclk", 0, 8, JH7100_CLK_GMAC_RMII_REF),
 	JH71X0_GDIV(JH7100_CLK_GMAC_RMII_RX, "gmac_rmii_rxclk", 0, 8, JH7100_CLK_GMAC_RMII_REF),
-	JH71X0__MUX(JH7100_CLK_GMAC_TX, "gmac_tx", 0, 3,
+	JH71X0__MUX(JH7100_CLK_GMAC_TX, "gmac_tx", CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, 3,
 		    JH7100_CLK_GMAC_GTX,
 		    JH7100_CLK_GMAC_TX_INV,
 		    JH7100_CLK_GMAC_RMII_TX),