* [PATCH 0/1] tty: serial: qcom_geni_serial: Configure UART_IO_MACRO_CTRL register
@ 2020-01-23 12:41 Roja Rani Yarubandi
2020-01-23 12:41 ` [PATCH 1/1] " Roja Rani Yarubandi
0 siblings, 1 reply; 3+ messages in thread
From: Roja Rani Yarubandi @ 2020-01-23 12:41 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: akashast, msavaliy, mgautam, skakit, Andy Gross, Bjorn Andersson,
Jiri Slaby, linux-arm-msm, linux-serial, linux-kernel,
Roja Rani Yarubandi
Configure UART_IO_MACRO_CTRL register if UART lines are swapped.
Roja Rani Yarubandi (1):
tty: serial: qcom_geni_serial: Configure UART_IO_MACRO_CTRL register
drivers/tty/serial/qcom_geni_serial.c | 6 ++++++
1 file changed, 6 insertions(+)
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of the Code Aurora Forum, hosted by The Linux Foundation
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 1/1] tty: serial: qcom_geni_serial: Configure UART_IO_MACRO_CTRL register
2020-01-23 12:41 [PATCH 0/1] tty: serial: qcom_geni_serial: Configure UART_IO_MACRO_CTRL register Roja Rani Yarubandi
@ 2020-01-23 12:41 ` Roja Rani Yarubandi
0 siblings, 0 replies; 3+ messages in thread
From: Roja Rani Yarubandi @ 2020-01-23 12:41 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: akashast, msavaliy, mgautam, skakit, Andy Gross, Bjorn Andersson,
Jiri Slaby, linux-arm-msm, linux-serial, linux-kernel,
Roja Rani Yarubandi
Configure UART_IO_MACRO_CTRL register if UART lines are swapped.
Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
---
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..68b11b6ad3be 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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 0/1] tty: serial: qcom_geni_serial: Configure UART_IO_MACRO_CTRL register
@ 2020-01-23 8:41 Roja Rani Yarubandi
0 siblings, 0 replies; 3+ messages in thread
From: Roja Rani Yarubandi @ 2020-01-23 8:41 UTC (permalink / raw)
To: akashast, msavaliy, mgautam, Andy Gross, Rob Herring,
Mark Rutland, Greg Kroah-Hartman, Jiri Slaby
Cc: linux-arm-msm, devicetree, linux-kernel, linux-serial,
Roja Rani Yarubandi
Configure UART_IO_MACRO_CTRL register if UART lines are swapped.
Roja Rani Yarubandi (1):
tty: serial: qcom_geni_serial: Configure UART_IO_MACRO_CTRL register
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 1 +
drivers/tty/serial/qcom_geni_serial.c | 6 ++++++
2 files changed, 7 insertions(+)
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of the Code Aurora Forum, hosted by The Linux Foundation
^ permalink raw reply [flat|nested] 3+ messages in thread
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