Add description and pin muxing for UARTs. Signed-off-by: Adrien Grassein <adrien.grassein@xxxxxxxxx> --- .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts index af740170569c..9ef1c4994e8c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts @@ -204,6 +204,14 @@ rtc@68 { }; }; +/* BT */ +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + uart-has-rtscts; + status = "okay"; +}; + /* console */ &uart2 { pinctrl-names = "default"; @@ -213,6 +221,21 @@ &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>; @@ -352,6 +375,15 @@ 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 @@ -359,6 +391,22 @@ 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 -- 2.25.1