Patch "tty: serial: fsl_lpuart: Add i.MXRT1050 support" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    tty: serial: fsl_lpuart: Add i.MXRT1050 support

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     tty-serial-fsl_lpuart-add-i.mxrt1050-support.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 596ce9c1ee26df00ced54376b4985cef0b968b6d
Author: Jesse Taube <mr.bossman075@xxxxxxxxx>
Date:   Wed Dec 15 17:05:36 2021 -0500

    tty: serial: fsl_lpuart: Add i.MXRT1050 support
    
    [ Upstream commit 443df57b31d14a920f23eaa265f4cb0dc3f94823 ]
    
    Add support for i.MXRT1050's uart.
    
    Cc: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Jesse Taube <Mr.Bossman075@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20211215220538.4180616-8-Mr.Bossman075@xxxxxxxxx
    Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
    Stable-dep-of: a82c3df955f8 ("tty: serial: fsl_lpuart: reduce RX watermark to 0 on LS1028A")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index b0b27808c7c37..bf709ea93ec97 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -246,6 +246,7 @@ enum lpuart_type {
 	LS1028A_LPUART,
 	IMX7ULP_LPUART,
 	IMX8QXP_LPUART,
+	IMXRT1050_LPUART,
 };
 
 struct lpuart_port {
@@ -308,6 +309,11 @@ static struct lpuart_soc_data imx8qxp_data = {
 	.iotype = UPIO_MEM32,
 	.reg_off = IMX_REG_OFF,
 };
+static struct lpuart_soc_data imxrt1050_data = {
+	.devtype = IMXRT1050_LPUART,
+	.iotype = UPIO_MEM32,
+	.reg_off = IMX_REG_OFF,
+};
 
 static const struct of_device_id lpuart_dt_ids[] = {
 	{ .compatible = "fsl,vf610-lpuart",	.data = &vf_data, },
@@ -315,6 +321,7 @@ static const struct of_device_id lpuart_dt_ids[] = {
 	{ .compatible = "fsl,ls1028a-lpuart",	.data = &ls1028a_data, },
 	{ .compatible = "fsl,imx7ulp-lpuart",	.data = &imx7ulp_data, },
 	{ .compatible = "fsl,imx8qxp-lpuart",	.data = &imx8qxp_data, },
+	{ .compatible = "fsl,imxrt1050-lpuart",	.data = &imxrt1050_data},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, lpuart_dt_ids);
@@ -2634,6 +2641,7 @@ OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1028a-lpuart", ls1028a_early_console_setup)
 OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart", lpuart32_imx_early_console_setup);
 OF_EARLYCON_DECLARE(lpuart32, "fsl,imx8ulp-lpuart", lpuart32_imx_early_console_setup);
 OF_EARLYCON_DECLARE(lpuart32, "fsl,imx8qxp-lpuart", lpuart32_imx_early_console_setup);
+OF_EARLYCON_DECLARE(lpuart32, "fsl,imxrt1050-lpuart", lpuart32_imx_early_console_setup);
 EARLYCON_DECLARE(lpuart, lpuart_early_console_setup);
 EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup);