clk: rockchip: rk3568: Add missing USB480M_PHY mux

The USB480M clock can source from a MUX that selects the clock to come
from either of the USB-phy internal 480MHz PLLs. These clocks are
provided by the USB phy driver.
Signed-off-by: David Jander <david@protonic.nl>
Link: https://lore.kernel.org/r/20240404-clk-rockchip-rk3568-add-usb480m-phy-mux-v1-1-e8542afd58b9@pengutronix.deSigned-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20240405-clk-rk3568-usb480m-phy-mux-v1-2-6c89de20a6ff@pengutronix.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>

drivers/clk/rockchip/clk-rk3568.c

@@ -215,6 +215,7 @@ static const struct rockchip_cpuclk_reg_data rk3568_cpuclk_data = {
 
 PNAME(mux_pll_p)			= { "xin24m" };
 PNAME(mux_usb480m_p)			= { "xin24m", "usb480m_phy", "clk_rtc_32k" };
+PNAME(mux_usb480m_phy_p)		= { "clk_usbphy0_480m", "clk_usbphy1_480m"};
 PNAME(mux_armclk_p)			= { "apll", "gpll" };
 PNAME(clk_i2s0_8ch_tx_p)		= { "clk_i2s0_8ch_tx_src", "clk_i2s0_8ch_tx_frac", "i2s0_mclkin", "xin_osc0_half" };
 PNAME(clk_i2s0_8ch_rx_p)		= { "clk_i2s0_8ch_rx_src", "clk_i2s0_8ch_rx_frac", "i2s0_mclkin", "xin_osc0_half" };
@@ -485,6 +486,9 @@ static struct rockchip_clk_branch rk3568_clk_branches[] __initdata = {
 	MUX(USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT,
 			RK3568_MODE_CON0, 14, 2, MFLAGS),
 
+	MUX(USB480M_PHY, "usb480m_phy", mux_usb480m_phy_p, CLK_SET_RATE_PARENT,
+			RK3568_MISC_CON2, 15, 1, MFLAGS),
+
 	/* PD_CORE */
 	COMPOSITE(0, "sclk_core_src", apll_gpll_npll_p, CLK_IGNORE_UNUSED,
 			RK3568_CLKSEL_CON(2), 8, 2, MFLAGS, 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,