@@ -675,6 +675,7 @@ ap_spi_fp: &spi10 {
&uart3 {
status = "okay";
+ qcom,pin_inverse = <0x4643>;
bluetooth: bluetooth {
compatible = "qcom,wcn3991-bt";
@@ -25,6 +25,7 @@
/* 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
@@ -1240,6 +1241,7 @@ 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;
@@ -1313,6 +1315,10 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
if (ret)
return ret;
+ 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);
Configure UART_IO_MACRO_CTRL register if UART lines are swapped. Change-Id: I8e82c2395bf4cdc51b3677c3c54f5be3f390a888 Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org> --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 1 + drivers/tty/serial/qcom_geni_serial.c | 6 ++++++ 2 files changed, 7 insertions(+)