drivers: clock: mcux_ccm: add usb clock support

Add usb clock support.

Signed-off-by: Jason He <jason.he_1@nxp.com>
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Signed-off-by: Jony Zhang <jony.zhang@nxp.com>

Author: JasonHe-nxp

drivers/clock_control/clock_control_mcux_ccm_rev2.c

@@ -406,6 +406,12 @@ static int CCM_SET_FUNC_ATTR mcux_ccm_set_subsys_rate(const struct device *dev,
 		return common_clock_set_freq(clock_name, (uint32_t)clock_rate);
 #endif
 
+#if defined(CONFIG_UDC_NXP_EHCI) && defined(CONFIG_SOC_MIMX9352_A55)
+	case IMX_CCM_USB_CLK:
+	case IMX_CCM_USB_PHY_CLK:
+		return common_clock_set_freq(clock_name, (uint32_t)clock_rate);
+#endif
+
 	default:
 		/* Silence unused variable warning */
 		ARG_UNUSED(clock_rate);

include/zephyr/dt-bindings/clock/imx_ccm_rev2.h

@@ -159,6 +159,10 @@
 /* KPP */
 #define IMX_CCM_KPP_CLK                0x2400UL
 
+/* USB */
+#define IMX_CCM_USB_CLK                0x2500UL
+#define IMX_CCM_USB_PHY_CLK            0x2600UL
+
 /* QTMR */
 #define IMX_CCM_QTMR_CLK               0x6000UL
 #define IMX_CCM_QTMR1_CLK              0x6000UL