From 27c0dc128d041a89d73ff0dd6a59b587ee85f90f Mon Sep 17 00:00:00 2001 From: Teresa Remmet Date: Wed, 6 Sep 2023 12:08:53 +0200 Subject: [PATCH] arm64: dts: imx8mp-phyboard-pollux: Add flexcan support Add flexcan1 and flexcan2 support for CAN FD on phyBOARD-Pollux. Signed-off-by: Teresa Remmet Signed-off-by: Cem Tenruh Reviewed-by: Fabio Estevam Signed-off-by: Shawn Guo --- .../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 1e14c4cd31282..1750fadb64c32 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 = <®_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 @@ >; }; + 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 -- 2.30.2