Add CAN bus pinmux.
Enable D_CAN bus controllers 0 and 1
The pinmux of uart1 node contradicts the pinmux of dcan0 and dcan1 nodes.
U-Boot should delete the uart1 or dcan0/1 nodes.
Signed-off-by: Uri Mashiach <uri.mashiach@xxxxxxxxxxxxxx>
Acked-by: Igor Grinberg <grinberg@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/am335x-cm-t335.dts | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts
index b700940..f3d7845 100644
--- a/arch/arm/boot/dts/am335x-cm-t335.dts
+++ b/arch/arm/boot/dts/am335x-cm-t335.dts
@@ -144,6 +144,24 @@
>;
};
+ dcan0_pins: pinmux_dcan0_pins {
+ pinctrl-single,pins = <
+ /* uart1_ctsn.dcan0_tx */
+ AM33XX_IOPAD(0x978, PIN_OUTPUT | MUX_MODE2)
+ /* uart1_rtsn.dcan0_rx */
+ AM33XX_IOPAD(0x97C, PIN_INPUT | MUX_MODE2)
+ >;
+ };
+
+ dcan1_pins: pinmux_dcan1_pins {
+ pinctrl-single,pins = <
+ /* uart1_rxd.dcan1_tx */
+ AM33XX_IOPAD(0x980, PIN_OUTPUT | MUX_MODE2)
+ /* uart1_txd.dcan1_rx */
+ AM33XX_IOPAD(0x984, PIN_INPUT | MUX_MODE2)
+ >;
+ };
+
ecap0_pins: pinmux_ecap0_pins {
pinctrl-single,pins = <
/* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
@@ -448,3 +466,15 @@ status = "okay";
vwlan-supply = <&vwlan_fixed>;
};
};
+
+&dcan0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&dcan0_pins>;
+};
+
+&dcan1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&dcan1_pins>;
+};
--
2.5.0
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