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arm64: dts: imx8mm-venice-gw7904: enable UART1 hardware flow control

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On the GW7904 uart1 can use UART3_TX/RX for hardware flow control
which was the desired default configuration. Remove uart3 and configure
uart1 for hardware flow control.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Tim Harvey
2023-06-06 08:38:19 -07:00
committed by Shawn Guo
parent efdb4d2346
commit 0f8446f02b
1 changed files with 4 additions and 14 deletions
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18
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
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@@ -636,6 +636,8 @@
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
cts-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio5 27 GPIO_ACTIVE_LOW>;
status = "okay";
};
@@ -646,13 +648,6 @@
status = "okay";
};
/* off-board RS232 */
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
status = "okay";
};
&usbotg1 {
dr_mode = "host";
disable-over-current;
@@ -814,6 +809,8 @@
fsl,pins = <
MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140
MX8MM_IOMUXC_UART3_RXD_GPIO5_IO26 0x140 /* CTS# in */
MX8MM_IOMUXC_UART3_TXD_GPIO5_IO27 0x140 /* RTS# out */
>;
};
@@ -824,13 +821,6 @@
>;
};
pinctrl_uart3: uart3grp {
fsl,pins = <
MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX 0x140
MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX 0x140
>;
};
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <
MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x190