[PATCH v3 11/15] arm64: dts: freescale: imx93-phyboard-segin: Add CAN support
Primoz Fiser
primoz.fiser at norik.com
Thu Apr 17 23:31:00 PDT 2025
Add support for CAN networking on phyBOARD-Segin-i.MX93 via the flexcan1
interface. The CAN PHY chip SN65HVD234D used on the board is compatible
with the TCAN1043 driver using the generic "can-transceiver-phy" and is
capable of up to 1Mbps data rate.
Signed-off-by: Primoz Fiser <primoz.fiser at norik.com>
Reviewed-by: Frank Li <Frank.Li at nxp.com>
---
Changes in v3:
- add Reviewed-by tag
.../dts/freescale/imx93-phyboard-segin.dts | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
index 38b89398e646..be9c0a436734 100644
--- a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
@@ -26,6 +26,15 @@ chosen {
stdout-path = &lpuart1;
};
+ flexcan1_tc: can-phy0 {
+ compatible = "ti,tcan1043";
+ #phy-cells = <0>;
+ max-bitrate = <1000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1_tc>;
+ enable-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
enable-active-high;
@@ -38,6 +47,14 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
};
};
+/* CAN */
+&flexcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ phys = <&flexcan1_tc>;
+ status = "okay";
+};
+
/* I2C2 */
&lpi2c2 {
clock-frequency = <400000>;
@@ -79,6 +96,19 @@ &usdhc2 {
};
&iomuxc {
+ pinctrl_flexcan1: flexcan1grp {
+ fsl,pins = <
+ MX93_PAD_PDM_BIT_STREAM0__CAN1_RX 0x139e
+ MX93_PAD_PDM_CLK__CAN1_TX 0x139e
+ >;
+ };
+
+ pinctrl_flexcan1_tc: flexcan1tcgrp {
+ fsl,pins = <
+ MX93_PAD_ENET2_TD3__GPIO4_IO16 0x31e
+ >;
+ };
+
pinctrl_lpi2c2: lpi2c2grp {
fsl,pins = <
MX93_PAD_I2C2_SCL__LPI2C2_SCL 0x40000b9e
--
2.34.1
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