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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