diff options
| author | Peng Fan <peng.fan@nxp.com> | 2022-11-17 17:53:55 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-11-19 11:03:39 +0800 |
| commit | c2f812df0f833bb3304b1cb5009c9279ec707b1e (patch) | |
| tree | 004aa6a32cc3a58d8e442db2fbc7d3b82dfcbfa0 /arch/arm64/boot/dts/freescale/imx8mp-evk.dts | |
| parent | 2f6f2a0c8b064b4544f330d0f713cccf6b59d419 (diff) | |
arm64: dts: imx8mp-evk: enable uart1/3 ports
Enable uart1/3 ports for evk board.
Configure the clock to source from IMX8MP_SYS_PLL1_80M, because the uart
could only support max 1.5M buadrate if using OSC_24M as clock source.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mp-evk.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 63c379e86637..151a78563970 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -412,6 +412,15 @@ status = "okay"; }; +&uart1 { /* BT */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + assigned-clocks = <&clk IMX8MP_CLK_UART1>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>; + uart-has-rtscts; + status = "okay"; +}; + &uart2 { /* console */ pinctrl-names = "default"; @@ -434,6 +443,15 @@ status = "okay"; }; +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + assigned-clocks = <&clk IMX8MP_CLK_UART3>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>; + uart-has-rtscts; + status = "okay"; +}; + &usdhc2 { assigned-clocks = <&clk IMX8MP_CLK_USDHC2>; assigned-clock-rates = <400000000>; @@ -609,6 +627,15 @@ >; }; + pinctrl_uart1: uart1grp { + fsl,pins = < + MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140 + MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x140 + MX8MP_IOMUXC_UART3_RXD__UART1_DCE_CTS 0x140 + MX8MP_IOMUXC_UART3_TXD__UART1_DCE_RTS 0x140 + >; + }; + pinctrl_uart2: uart2grp { fsl,pins = < MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x140 @@ -622,6 +649,15 @@ >; }; + pinctrl_uart3: uart3grp { + fsl,pins = < + MX8MP_IOMUXC_ECSPI1_SCLK__UART3_DCE_RX 0x140 + MX8MP_IOMUXC_ECSPI1_MOSI__UART3_DCE_TX 0x140 + MX8MP_IOMUXC_ECSPI1_SS0__UART3_DCE_RTS 0x140 + MX8MP_IOMUXC_ECSPI1_MISO__UART3_DCE_CTS 0x140 + >; + }; + pinctrl_usdhc2: usdhc2grp { fsl,pins = < MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190 |