[PATCH 1/4] arm64: dts: imx8mp-phyboard-pollux: Add flexcan support
Cem Tenruh
c.tenruh at phytec.de
Fri Sep 1 06:24:59 PDT 2023
From: Teresa Remmet <t.remmet at phytec.de>
Add flexcan1 and flexcan2 support for CAN FD on phyBOARD-Pollux.
Signed-off-by: Teresa Remmet <t.remmet at phytec.de>
Signed-off-by: Cem Tenruh <c.tenruh at phytec.de>
---
.../freescale/imx8mp-phyboard-pollux-rdk.dts | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
index 1e14c4cd3128..1750fadb64c3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
@@ -19,6 +19,26 @@ chosen {
stdout-path = &uart1;
};
+ reg_can1_stby: regulator-can1-stby {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1_reg>;
+ gpio = <&gpio3 20 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "can1-stby";
+ };
+
+ reg_can2_stby: regulator-can2-stby {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2_reg>;
+ gpio = <&gpio3 21 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-name = "can2-stby";
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -57,6 +77,21 @@ ethphy0: ethernet-phy at 1 {
};
};
+/* CAN FD */
+&flexcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ xceiver-supply = <®_can1_stby>;
+ status = "okay";
+};
+
+&flexcan2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ xceiver-supply = <®_can2_stby>;
+ status = "okay";
+};
+
&i2c2 {
clock-frequency = <400000>;
pinctrl-names = "default", "gpio";
@@ -136,6 +171,32 @@ MX8MP_IOMUXC_SAI1_MCLK__GPIO4_IO20 0x10
>;
};
+ pinctrl_flexcan1: flexcan1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX 0x154
+ MX8MP_IOMUXC_SAI5_RXD1__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_SAI5_RXC__GPIO3_IO20 0x154
+ >;
+ };
+
+ pinctrl_flexcan2_reg: flexcan2reggrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x154
+ >;
+ };
+
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
--
2.25.1
More information about the linux-arm-kernel
mailing list