[PATCH v3 07/10] arm64: dts: imx8qm-mek: add flexcan support

From: Frank Li
Date: Mon Apr 22 2024 - 15:52:53 EST


Add flexcan[1,2,3] support for imx8qm-mek board.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 80 ++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 3ab2fab7f7fa3..62ea3efd1ee2c 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -40,6 +40,44 @@ reg_usdhc2_vmmc: usdhc2-vmmc {
enable-active-high;
};

+ reg_can01_en: regulator-can01-gen {
+ compatible = "regulator-fixed";
+ regulator-name = "can01-en";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pca6416 3 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_can2_en: regulator-can2-gen {
+ compatible = "regulator-fixed";
+ regulator-name = "can2-en";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pca6416 4 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_can01_stby: regulator-can01-stby {
+ compatible = "regulator-fixed";
+ regulator-name = "can01-stby";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pca6416 5 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <&reg_can01_en>;
+ };
+
+ reg_can2_stby: regulator-can2-stby {
+ compatible = "regulator-fixed";
+ regulator-name = "can2-stby";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pca6416 6 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <&reg_can2_en>;
+ };
+
reg_vref_1v8: regulator-adc-vref {
compatible = "regulator-fixed";
regulator-name = "vref_1v8";
@@ -241,6 +279,27 @@ &cm41_intmux {
status = "okay";
};

+&flexcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ xceiver-supply = <&reg_can01_stby>;
+ status = "okay";
+};
+
+&flexcan2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ xceiver-supply = <&reg_can01_stby>;
+ status = "okay";
+};
+
+&flexcan3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan3>;
+ xceiver-supply = <&reg_can2_stby>;
+ status = "okay";
+};
+
&lpuart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lpuart0>;
@@ -433,6 +492,27 @@ IMX8QM_QSPI0B_SS1_B_LSIO_QSPI0B_SS1_B 0x06000021
>;
};

+ pinctrl_flexcan1: flexcan0grp {
+ fsl,pins = <
+ IMX8QM_FLEXCAN0_TX_DMA_FLEXCAN0_TX 0x21
+ IMX8QM_FLEXCAN0_RX_DMA_FLEXCAN0_RX 0x21
+ >;
+ };
+
+ pinctrl_flexcan2: flexcan1grp {
+ fsl,pins = <
+ IMX8QM_FLEXCAN1_TX_DMA_FLEXCAN1_TX 0x21
+ IMX8QM_FLEXCAN1_RX_DMA_FLEXCAN1_RX 0x21
+ >;
+ };
+
+ pinctrl_flexcan3: flexcan3grp {
+ fsl,pins = <
+ IMX8QM_FLEXCAN2_TX_DMA_FLEXCAN2_TX 0x21
+ IMX8QM_FLEXCAN2_RX_DMA_FLEXCAN2_RX 0x21
+ >;
+ };
+
pinctrl_lpuart0: lpuart0grp {
fsl,pins = <
IMX8QM_UART0_RX_DMA_UART0_RX 0x06000020

--
2.34.1