diff options
| author | Fugang Duan <fugang.duan@nxp.com> | 2019-05-16 15:39:06 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 16:04:29 +0800 |
| commit | ca8f0a8df571634a704985dff99bdbb12792efae (patch) | |
| tree | d7a99156191644b9293774279a7015fcf664defe /arch/arm64/boot/dts/freescale/imx8mm-evk.dts | |
| parent | b3fa6fc11cfefb52c7cadc933ef9488a7c587f3d (diff) | |
arm64: dts: imx: enable uart1 and uart3 ports
Enable uart1 and uart3 ports, uart1 port is for Bluetooth.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
[ Aisheng: fix small conflicts during upgrade ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-evk.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index f7a15f3904c2..a0b47188d591 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -28,6 +28,14 @@ }; }; + modem_reset: modem-reset { + compatible = "gpio-reset"; + reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; + reset-delay-us = <2000>; + reset-post-delay-ms = <40>; + #reset-cells = <0>; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible = "regulator-fixed"; pinctrl-names = "default"; @@ -107,12 +115,31 @@ status = "okay"; }; +&uart1 { /* BT */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + assigned-clocks = <&clk IMX8MM_CLK_UART1>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_80M>; + fsl,uart-has-rtscts; + resets = <&modem_reset>; + status = "okay"; +}; + &uart2 { /* console */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; status = "okay"; }; +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + assigned-clocks = <&clk IMX8MM_CLK_UART3>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_80M>; + fsl,uart-has-rtscts; + status = "okay"; +}; + &usbotg1 { dr_mode = "otg"; hnp-disable; @@ -382,6 +409,16 @@ >; }; + 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 + MX8MM_IOMUXC_SD1_DATA4_GPIO2_IO6 0x19 + >; + }; + pinctrl_uart2: uart2grp { fsl,pins = < MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140 @@ -389,6 +426,15 @@ >; }; + 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_usdhc2_gpio: usdhc2grpgpio { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x1c4 |