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arm64: dts: imx8mm-nitrogen-r2: add UARTs

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Add description and pin muxing for UARTs.

Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Adrien Grassein 2021-02-23 20:16:47 +01:00 committed by Shawn Guo
parent 421f715c73
commit 88a151795e
1 changed files with 48 additions and 0 deletions
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48
arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
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@ -198,6 +198,14 @@ rtc@68 {
};
};
/* BT */
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
uart-has-rtscts;
status = "okay";
};
/* console */
&uart2 {
pinctrl-names = "default";
@ -207,6 +215,21 @@ &uart2 {
status = "okay";
};
/* J15 */
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
uart-has-rtscts;
status = "okay";
};
/* J9 */
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart4>;
status = "okay";
};
/* eMMC */
&usdhc1 {
bus-width = <8>;
@ -339,6 +362,15 @@ MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x16
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140
MX8MM_IOMUXC_UART3_RXD_UART1_DCE_CTS_B 0x140
MX8MM_IOMUXC_UART3_TXD_UART1_DCE_RTS_B 0x140
>;
};
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
@ -346,6 +378,22 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
>;
};
pinctrl_uart3: uart3grp {
fsl,pins = <
MX8MM_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x140
MX8MM_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x140
MX8MM_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x140
MX8MM_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x140
>;
};
pinctrl_uart4: uart4grp {
fsl,pins = <
MX8MM_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140
MX8MM_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140
>;
};
pinctrl_usbotg1: usbotg1grp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x16