Configure UART_IO_MACRO_CTRL register if UART lines are swapped. Signed-off-by: Roja Rani Yarubandi <rojay@xxxxxxxxxxxxxx> --- drivers/tty/serial/qcom_geni_serial.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index ff63728a95f4..24b862937c1e 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -24,6 +24,7 @@ /* UART specific GENI registers */ #define SE_UART_LOOPBACK_CFG 0x22c +#define SE_UART_IO_MACRO_CTRL 0x240 #define SE_UART_TX_TRANS_CFG 0x25c #define SE_UART_TX_WORD_LEN 0x268 #define SE_UART_TX_STOP_BIT_LEN 0x26c @@ -1260,6 +1261,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) int irq; bool console = false; struct uart_driver *drv; + u32 val; if (of_device_is_compatible(pdev->dev.of_node, "qcom,geni-debug-uart")) console = true; @@ -1309,6 +1311,10 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) return irq; uport->irq = irq; + ret = of_property_read_u32(pdev->dev.of_node, "qcom,pin_inverse", &val); + if (!ret) + writel(val, uport->membase + SE_UART_IO_MACRO_CTRL); + irq_set_status_flags(uport->irq, IRQ_NOAUTOEN); ret = devm_request_irq(uport->dev, uport->irq, qcom_geni_serial_isr, IRQF_TRIGGER_HIGH, port->name, uport); -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation
