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arm64: dts: imx8mp-evk: add CAN support 

Add CAN device node and pinctrl on i.MX8MP evk board.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Joakim Zhang 2020-11-02 10:16:34 +08:00 committed by Shawn Guo
parent 08a1a2e205
commit 3a7d56b3cd
2 changed files with 92 additions and 0 deletions
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62
arch/arm64/boot/dts/freescale/imx8mp-evk.dts
View File

@ -33,6 +33,28 @@
<0x1 0x00000000 0 0xc0000000>;
};
reg_can1_stby: regulator-can1-stby {
compatible = "regulator-fixed";
regulator-name = "can1-stby";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan1_reg>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio5 5 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_can2_stby: regulator-can2-stby {
compatible = "regulator-fixed";
regulator-name = "can2-stby";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan2_reg>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
pinctrl-names = "default";
@ -45,6 +67,20 @@
};
};
&flexcan1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan1>;
xceiver-supply = <&reg_can1_stby>;
status = "okay";
};
&flexcan2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan2>;
xceiver-supply = <&reg_can2_stby>;
status = "disabled";/* can2 pin conflict with pdm */
};
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec>;
@ -144,6 +180,32 @@
>;
};
pinctrl_flexcan1: flexcan1grp {
fsl,pins = <
MX8MP_IOMUXC_SPDIF_RX__CAN1_RX 0x154
MX8MP_IOMUXC_SPDIF_TX__CAN1_TX 0x154
>;
};
pinctrl_flexcan2: flexcan2grp {
fsl,pins = <
MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX 0x154
MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX 0x154
>;
};
pinctrl_flexcan1_reg: flexcan1reggrp {
fsl,pins = <
MX8MP_IOMUXC_SPDIF_EXT_CLK__GPIO5_IO05 0x154 /* CAN1_STBY */
>;
};
pinctrl_flexcan2_reg: flexcan2reggrp {
fsl,pins = <
MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27 0x154 /* CAN2_STBY */
>;
};
pinctrl_gpio_led: gpioledgrp {
fsl,pins = <
MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x19

30
arch/arm64/boot/dts/freescale/imx8mp.dtsi
View File

@ -552,6 +552,36 @@
status = "disabled";
};
flexcan1: can@308c0000 {
compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan";
reg = <0x308c0000 0x10000>;
interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MP_CLK_IPG_ROOT>,
<&clk IMX8MP_CLK_CAN1_ROOT>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX8MP_CLK_CAN1>;
assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_40M>;
assigned-clock-rates = <40000000>;
fsl,clk-source = /bits/ 8 <0>;
fsl,stop-mode = <&gpr 0x10 4>;
status = "disabled";
};
flexcan2: can@308d0000 {
compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan";
reg = <0x308d0000 0x10000>;
interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MP_CLK_IPG_ROOT>,
<&clk IMX8MP_CLK_CAN2_ROOT>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX8MP_CLK_CAN2>;
assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_40M>;
assigned-clock-rates = <40000000>;
fsl,clk-source = /bits/ 8 <0>;
fsl,stop-mode = <&gpr 0x10 5>;
status = "disabled";
};
crypto: crypto@30900000 {
compatible = "fsl,sec-v4.0";
#address-cells = <1>;