[PATCH v2 4/8] arm64: dts: imx8mm-nitrogen-r2: add UARTs
From: Adrien Grassein <hidden>
Date: 2021-02-17 16:13:24
Also in:
linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add description and pin muxing for UARTs. Signed-off-by: Adrien Grassein <redacted> --- .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 50 ++++++++++++++++++- 1 file changed, 48 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
index c4bb22bb4e6a..8f210e21a1bd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts@@ -205,12 +205,33 @@ rtc@68 { }; }; +/* BT */ +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + uart-has-rtscts; + status = "okay"; +}; + /* console */ &uart2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; - assigned-clocks = <&clk IMX8MM_CLK_UART2>; - assigned-clock-parents = <&clk IMX8MM_CLK_24M>; + 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"; };
@@ -353,6 +374,15 @@ 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
@@ -360,6 +390,22 @@ 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
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