soc: nxp: imx: imx7d: soc.c: enable uart1/3/4/5/7 if used in DT

Only uart2 and uart6 were considered before, so if any other uart
was used, it wouldn't work and even worse, it would crash when
trying to access it because the RDC wasn't configured.

Signed-off-by: Diego Herranz <[email protected]>

Author: diegoherranz

soc/nxp/imx/imx7d/soc.c

@@ -84,6 +84,21 @@ static void nxp_mcimx7_gpio_config(void)
 static void nxp_mcimx7_uart_config(void)
 {
 
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart1))
+	/* We need to grasp board uart exclusively */
+	RDC_SetPdapAccess(RDC, rdcPdapUart1, RDC_DT_VAL(uart1), false, false);
+	/* Select clock derived from OSC clock(24M) */
+	CCM_UpdateRoot(CCM, ccmRootUart1, ccmRootmuxUartOsc24m, 0, 0);
+	/* Enable uart clock */
+	CCM_EnableRoot(CCM, ccmRootUart1);
+	/*
+	 * IC Limitation
+	 * M4 stop will cause A7 UART lose functionality
+	 * So we need UART clock all the time
+	 */
+	CCM_ControlGate(CCM, ccmCcgrGateUart1, ccmClockNeededAll);
+#endif
+
 #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart2))
 	/* We need to grasp board uart exclusively */
 	RDC_SetPdapAccess(RDC, rdcPdapUart2, RDC_DT_VAL(uart2), false, false);
@@ -99,6 +114,51 @@ static void nxp_mcimx7_uart_config(void)
 	CCM_ControlGate(CCM, ccmCcgrGateUart2, ccmClockNeededAll);
 #endif
 
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart3))
+	/* We need to grasp board uart exclusively */
+	RDC_SetPdapAccess(RDC, rdcPdapUart3, RDC_DT_VAL(uart3), false, false);
+	/* Select clock derived from OSC clock(24M) */
+	CCM_UpdateRoot(CCM, ccmRootUart3, ccmRootmuxUartOsc24m, 0, 0);
+	/* Enable uart clock */
+	CCM_EnableRoot(CCM, ccmRootUart3);
+	/*
+	 * IC Limitation
+	 * M4 stop will cause A7 UART lose functionality
+	 * So we need UART clock all the time
+	 */
+	CCM_ControlGate(CCM, ccmCcgrGateUart3, ccmClockNeededAll);
+#endif
+
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart4))
+	/* We need to grasp board uart exclusively */
+	RDC_SetPdapAccess(RDC, rdcPdapUart4, RDC_DT_VAL(uart4), false, false);
+	/* Select clock derived from OSC clock(24M) */
+	CCM_UpdateRoot(CCM, ccmRootUart4, ccmRootmuxUartOsc24m, 0, 0);
+	/* Enable uart clock */
+	CCM_EnableRoot(CCM, ccmRootUart4);
+	/*
+	 * IC Limitation
+	 * M4 stop will cause A7 UART lose functionality
+	 * So we need UART clock all the time
+	 */
+	CCM_ControlGate(CCM, ccmCcgrGateUart4, ccmClockNeededAll);
+#endif
+
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart5))
+	/* We need to grasp board uart exclusively */
+	RDC_SetPdapAccess(RDC, rdcPdapUart5, RDC_DT_VAL(uart5), false, false);
+	/* Select clock derived from OSC clock(24M) */
+	CCM_UpdateRoot(CCM, ccmRootUart5, ccmRootmuxUartOsc24m, 0, 0);
+	/* Enable uart clock */
+	CCM_EnableRoot(CCM, ccmRootUart5);
+	/*
+	 * IC Limitation
+	 * M4 stop will cause A7 UART lose functionality
+	 * So we need UART clock all the time
+	 */
+	CCM_ControlGate(CCM, ccmCcgrGateUart5, ccmClockNeededAll);
+#endif
+
 #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart6))
 	/* We need to grasp board uart exclusively */
 	RDC_SetPdapAccess(RDC, rdcPdapUart6, RDC_DT_VAL(uart6), false, false);
@@ -113,6 +173,21 @@ static void nxp_mcimx7_uart_config(void)
 	 */
 	CCM_ControlGate(CCM, ccmCcgrGateUart6, ccmClockNeededAll);
 #endif
+
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(uart7))
+	/* We need to grasp board uart exclusively */
+	RDC_SetPdapAccess(RDC, rdcPdapUart7, RDC_DT_VAL(uart7), false, false);
+	/* Select clock derived from OSC clock(24M) */
+	CCM_UpdateRoot(CCM, ccmRootUart7, ccmRootmuxUartOsc24m, 0, 0);
+	/* Enable uart clock */
+	CCM_EnableRoot(CCM, ccmRootUart7);
+	/*
+	 * IC Limitation
+	 * M4 stop will cause A7 UART lose functionality
+	 * So we need UART clock all the time
+	 */
+	CCM_ControlGate(CCM, ccmCcgrGateUart7, ccmClockNeededAll);
+#endif
 }
 #endif /* CONFIG_UART_IMX */