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drivers: serial: uart_mcux_lpuart: add support for LPUARTs with two IRQs

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Add support for NXP MCUX LPUART devices with separate IRQ lines for
transmit and receive status interrupts (e.g. the Kinetis KE1xF SoC
series).

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2019-05-06 21:42:50 +02:00 • committed by Maureen Helm
commit 56dfb62e40
3 changed files with 52 additions and 20 deletions
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56
drivers/serial/uart_mcux_lpuart.c
View file

@ -310,11 +310,19 @@ DEVICE_AND_API_INIT(uart_0, DT_UART_MCUX_LPUART_0_NAME,
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
static void mcux_lpuart_config_func_0(struct device *dev)
{
IRQ_CONNECT(DT_UART_MCUX_LPUART_0_IRQ,
DT_UART_MCUX_LPUART_0_IRQ_PRI,
IRQ_CONNECT(DT_UART_MCUX_LPUART_0_IRQ_0,
DT_UART_MCUX_LPUART_0_IRQ_0_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_0), 0);
irq_enable(DT_UART_MCUX_LPUART_0_IRQ);
irq_enable(DT_UART_MCUX_LPUART_0_IRQ_0);
#ifdef DT_UART_MCUX_LPUART_0_IRQ_1
IRQ_CONNECT(DT_UART_MCUX_LPUART_0_IRQ_1,
DT_UART_MCUX_LPUART_0_IRQ_1_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_0), 0);
irq_enable(DT_UART_MCUX_LPUART_0_IRQ_1);
#endif /* DT_UART_MCUX_LPUART_0_IRQ_1 */
}
#endif
@ -348,11 +356,19 @@ DEVICE_AND_API_INIT(uart_1, DT_UART_MCUX_LPUART_1_NAME,
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
static void mcux_lpuart_config_func_1(struct device *dev)
{
IRQ_CONNECT(DT_UART_MCUX_LPUART_1_IRQ,
DT_UART_MCUX_LPUART_1_IRQ_PRI,
IRQ_CONNECT(DT_UART_MCUX_LPUART_1_IRQ_0,
DT_UART_MCUX_LPUART_1_IRQ_0_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_1), 0);
irq_enable(DT_UART_MCUX_LPUART_1_IRQ);
irq_enable(DT_UART_MCUX_LPUART_1_IRQ_0);
#ifdef DT_UART_MCUX_LPUART_1_IRQ_1
IRQ_CONNECT(DT_UART_MCUX_LPUART_1_IRQ_1,
DT_UART_MCUX_LPUART_1_IRQ_1_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_1), 0);
irq_enable(DT_UART_MCUX_LPUART_1_IRQ_1);
#endif /* DT_UART_MCUX_LPUART_1_IRQ_1 */
}
#endif
@ -386,11 +402,19 @@ DEVICE_AND_API_INIT(uart_2, DT_UART_MCUX_LPUART_2_NAME,
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
static void mcux_lpuart_config_func_2(struct device *dev)
{
IRQ_CONNECT(DT_UART_MCUX_LPUART_2_IRQ,
DT_UART_MCUX_LPUART_2_IRQ_PRI,
IRQ_CONNECT(DT_UART_MCUX_LPUART_2_IRQ_0,
DT_UART_MCUX_LPUART_2_IRQ_0_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_2), 0);
irq_enable(DT_UART_MCUX_LPUART_2_IRQ);
irq_enable(DT_UART_MCUX_LPUART_2_IRQ_0);
#ifdef DT_UART_MCUX_LPUART_2_IRQ_1
IRQ_CONNECT(DT_UART_MCUX_LPUART_2_IRQ_1,
DT_UART_MCUX_LPUART_2_IRQ_1_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_2), 0);
irq_enable(DT_UART_MCUX_LPUART_2_IRQ_1);
#endif /* DT_UART_MCUX_LPUART_2_IRQ_1 */
}
#endif
@ -424,11 +448,19 @@ DEVICE_AND_API_INIT(uart_3, DT_UART_MCUX_LPUART_3_NAME,
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
static void mcux_lpuart_config_func_3(struct device *dev)
{
IRQ_CONNECT(DT_UART_MCUX_LPUART_3_IRQ,
DT_UART_MCUX_LPUART_3_IRQ_PRI,
IRQ_CONNECT(DT_UART_MCUX_LPUART_3_IRQ_0,
DT_UART_MCUX_LPUART_3_IRQ_0_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_3), 0);
irq_enable(DT_UART_MCUX_LPUART_3_IRQ);
irq_enable(DT_UART_MCUX_LPUART_3_IRQ_0);
#ifdef DT_UART_MCUX_LPUART_3_IRQ_1
IRQ_CONNECT(DT_UART_MCUX_LPUART_3_IRQ_1,
DT_UART_MCUX_LPUART_3_IRQ_1_PRI,
mcux_lpuart_isr, DEVICE_GET(uart_3), 0);
irq_enable(DT_UART_MCUX_LPUART_3_IRQ_1);
#endif /* DT_UART_MCUX_LPUART_3_IRQ_1 */
}
#endif

12
soc/arm/nxp_imx/rt/dts_fixup.h
View file

@ -80,24 +80,24 @@
#define DT_UART_MCUX_LPUART_1_BASE_ADDRESS DT_NXP_KINETIS_LPUART_40184000_BASE_ADDRESS
#define DT_UART_MCUX_LPUART_1_NAME DT_NXP_KINETIS_LPUART_40184000_LABEL
#define DT_UART_MCUX_LPUART_1_IRQ DT_NXP_KINETIS_LPUART_40184000_IRQ_0
#define DT_UART_MCUX_LPUART_1_IRQ_PRI DT_NXP_KINETIS_LPUART_40184000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_1_IRQ_0 DT_NXP_KINETIS_LPUART_40184000_IRQ_0
#define DT_UART_MCUX_LPUART_1_IRQ_0_PRI DT_NXP_KINETIS_LPUART_40184000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_1_BAUD_RATE DT_NXP_KINETIS_LPUART_40184000_CURRENT_SPEED
#define DT_UART_MCUX_LPUART_1_CLOCK_NAME DT_NXP_KINETIS_LPUART_40184000_CLOCK_CONTROLLER
#define DT_UART_MCUX_LPUART_1_CLOCK_SUBSYS DT_NXP_KINETIS_LPUART_40184000_CLOCK_NAME
#define DT_UART_MCUX_LPUART_2_BASE_ADDRESS DT_NXP_KINETIS_LPUART_40188000_BASE_ADDRESS
#define DT_UART_MCUX_LPUART_2_NAME DT_NXP_KINETIS_LPUART_40188000_LABEL
#define DT_UART_MCUX_LPUART_2_IRQ DT_NXP_KINETIS_LPUART_40188000_IRQ_0
#define DT_UART_MCUX_LPUART_2_IRQ_PRI DT_NXP_KINETIS_LPUART_40188000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_2_IRQ_0 DT_NXP_KINETIS_LPUART_40188000_IRQ_0
#define DT_UART_MCUX_LPUART_2_IRQ_0_PRI DT_NXP_KINETIS_LPUART_40188000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_2_BAUD_RATE DT_NXP_KINETIS_LPUART_40188000_CURRENT_SPEED
#define DT_UART_MCUX_LPUART_2_CLOCK_NAME DT_NXP_KINETIS_LPUART_40188000_CLOCK_CONTROLLER
#define DT_UART_MCUX_LPUART_2_CLOCK_SUBSYS DT_NXP_KINETIS_LPUART_40188000_CLOCK_NAME
#define DT_UART_MCUX_LPUART_3_BASE_ADDRESS DT_NXP_KINETIS_LPUART_4018C000_BASE_ADDRESS
#define DT_UART_MCUX_LPUART_3_NAME DT_NXP_KINETIS_LPUART_4018C000_LABEL
#define DT_UART_MCUX_LPUART_3_IRQ DT_NXP_KINETIS_LPUART_4018C000_IRQ_0
#define DT_UART_MCUX_LPUART_3_IRQ_PRI DT_NXP_KINETIS_LPUART_4018C000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_3_IRQ_0 DT_NXP_KINETIS_LPUART_4018C000_IRQ_0
#define DT_UART_MCUX_LPUART_3_IRQ_0_PRI DT_NXP_KINETIS_LPUART_4018C000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_3_BAUD_RATE DT_NXP_KINETIS_LPUART_4018C000_CURRENT_SPEED
#define DT_UART_MCUX_LPUART_3_CLOCK_NAME DT_NXP_KINETIS_LPUART_4018C000_CLOCK_CONTROLLER
#define DT_UART_MCUX_LPUART_3_CLOCK_SUBSYS DT_NXP_KINETIS_LPUART_4018C000_CLOCK_NAME

4
soc/arm/nxp_kinetis/kwx/dts_fixup.h
View file

@ -118,8 +118,8 @@
#define DT_NUM_IRQ_PRIO_BITS DT_ARM_V6M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
#define DT_UART_MCUX_LPUART_0_BAUD_RATE DT_NXP_KINETIS_LPUART_40054000_CURRENT_SPEED
#define DT_UART_MCUX_LPUART_0_IRQ DT_NXP_KINETIS_LPUART_40054000_IRQ_0
#define DT_UART_MCUX_LPUART_0_IRQ_PRI DT_NXP_KINETIS_LPUART_40054000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_0_IRQ_0 DT_NXP_KINETIS_LPUART_40054000_IRQ_0
#define DT_UART_MCUX_LPUART_0_IRQ_0_PRI DT_NXP_KINETIS_LPUART_40054000_IRQ_0_PRIORITY
#define DT_UART_MCUX_LPUART_0_NAME DT_NXP_KINETIS_LPUART_40054000_LABEL
#define DT_UART_MCUX_LPUART_0_CLOCK_NAME DT_NXP_KINETIS_LPUART_40054000_CLOCK_CONTROLLER
#define DT_UART_MCUX_LPUART_0_CLOCK_SUBSYS DT_NXP_KINETIS_LPUART_40054000_CLOCK_NAME