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authorTeresa Remmet <t.remmet@phytec.de>2023-09-06 12:08:53 +0200
committerShawn Guo <shawnguo@kernel.org>2023-09-25 09:35:21 +0800
commit27c0dc128d041a89d73ff0dd6a59b587ee85f90f (patch)
tree5997b2f0f7670faff68414acaeb4a7ce9d141bc2 /arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
parent3baf264bcdcd8c498807c65bf7bd271f399e6ea9 (diff)
arm64: dts: imx8mp-phyboard-pollux: Add flexcan support
Add flexcan1 and flexcan2 support for CAN FD on phyBOARD-Pollux. Signed-off-by: Teresa Remmet <t.remmet@phytec.de> Signed-off-by: Cem Tenruh <c.tenruh@phytec.de> Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts')
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts61
1 files changed, 61 insertions, 0 deletions
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 @@
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 @@
};
};
+/* CAN FD */
+&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 = "okay";
+};
+
&i2c2 {
clock-frequency = <400000>;
pinctrl-names = "default", "gpio";
@@ -136,6 +171,32 @@
>;
};
+ 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