arch/mcimx7_m4: Add pad, clock and gate config for GPIO7 and UART6 (671cb652) · Commits · Wenxi XU / zephyr

arch/arm/soc/nxp_imx/mcimx7_m4/soc.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -69,6 +69,13 @@ static void nxp_mcimx7_gpio_config(void)
		CCM_ControlGate(CCM, ccmCcgrGateGpio2, ccmClockNeededRunWait);
		#endif /* CONFIG_GPIO_IMX_PORT_2 */


		#ifdef CONFIG_GPIO_IMX_PORT_7
		RDC_SetPdapAccess(RDC, rdcPdapGpio7, GPIO_7_RDC, false, false);
		/* Enable gpio clock gate */
		CCM_ControlGate(CCM, ccmCcgrGateGpio7, ccmClockNeededRunWait);
		#endif /* CONFIG_GPIO_IMX_PORT_2 */

		}
		#endif /* CONFIG_GPIO_IMX */

		@@ -91,6 +98,20 @@ static void nxp_mcimx7_uart_config(void)
		CCM_ControlGate(CCM, ccmCcgrGateUart2, ccmClockNeededAll);
		#endif /* #ifdef CONFIG_UART_IMX_UART_2 */

		#ifdef CONFIG_UART_IMX_UART_6
		/* We need to grasp board uart exclusively */
		RDC_SetPdapAccess(RDC, rdcPdapUart6, UART_6_RDC, false, false);
		/* Select clock derived from OSC clock(24M) */
		CCM_UpdateRoot(CCM, ccmRootUart6, ccmRootmuxUartOsc24m, 0, 0);
		/* Enable uart clock */
		CCM_EnableRoot(CCM, ccmRootUart6);
		/*
		* IC Limitation
		* M4 stop will cause A7 UART lose functionality
		* So we need UART clock all the time
		*/
		CCM_ControlGate(CCM, ccmCcgrGateUart6, ccmClockNeededAll);
		#endif /* #ifdef CONFIG_UART_IMX_UART_6 */
		}
		#endif /* CONFIG_UART_IMX */