Prepare FlexCAN use on SODIMM 55/63 178/188. Those SODIMM pins are compatible for CAN bus use with several modules from the Colibri family. Add Better drivestrength and also add flexcan2.
Signed-off-by: Philippe Schenker <philippe.schen...@toradex.com> --- Changes in v2: None arch/arm/boot/dts/imx7-colibri.dtsi | 35 ++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi index f7c9ce5bed47..52046085ce6f 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -117,6 +117,18 @@ fsl,magic-packet; }; +&flexcan1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flexcan1>; + status = "disabled"; +}; + +&flexcan2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flexcan2>; + status = "disabled"; +}; + &gpmi { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpmi_nand>; @@ -330,12 +342,11 @@ &iomuxc { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3 &pinctrl_gpio4>; + pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3 &pinctrl_gpio4 + &pinctrl_gpio7>; pinctrl_gpio1: gpio1-grp { fsl,pins = < - MX7D_PAD_ENET1_RGMII_RD3__GPIO7_IO3 0x74 /* SODIMM 55 */ - MX7D_PAD_ENET1_RGMII_RD2__GPIO7_IO2 0x74 /* SODIMM 63 */ MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 0x14 /* SODIMM 77 */ MX7D_PAD_EPDC_DATA09__GPIO2_IO9 0x14 /* SODIMM 89 */ MX7D_PAD_EPDC_DATA08__GPIO2_IO8 0x74 /* SODIMM 91 */ @@ -416,6 +427,13 @@ >; }; + pinctrl_gpio7: gpio7-grp { /* Alternatively CAN1 */ + fsl,pins = < + MX7D_PAD_ENET1_RGMII_RD3__GPIO7_IO3 0x14 /* SODIMM 55 */ + MX7D_PAD_ENET1_RGMII_RD2__GPIO7_IO2 0x14 /* SODIMM 63 */ + >; + }; + pinctrl_i2c1_int: i2c1-int-grp { /* PMIC / TOUCH */ fsl,pins = < MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x79 @@ -459,10 +477,17 @@ >; }; + pinctrl_flexcan1: flexcan1-grp { + fsl,pins = < + MX7D_PAD_ENET1_RGMII_RD3__FLEXCAN1_TX 0x79 /* SODIMM 55 */ + MX7D_PAD_ENET1_RGMII_RD2__FLEXCAN1_RX 0x79 /* SODIMM 63 */ + >; + }; + pinctrl_flexcan2: flexcan2-grp { fsl,pins = < - MX7D_PAD_GPIO1_IO14__FLEXCAN2_RX 0x59 - MX7D_PAD_GPIO1_IO15__FLEXCAN2_TX 0x59 + MX7D_PAD_GPIO1_IO14__FLEXCAN2_RX 0x79 /* SODIMM 188 */ + MX7D_PAD_GPIO1_IO15__FLEXCAN2_TX 0x79 /* SODIMM 178 */ >; }; -- 2.22.0