This patch enables CAN0 interface exposed through connector J20 on the
carrier board.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Chris Paterson <Chris.Paterson2@xxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index e709a132f2f7..070fc9729b39 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -198,6 +198,13 @@
};
};
+&can0 {
+ pinctrl-0 = <&can0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
&cmt0 {
status = "okay";
};
@@ -214,6 +221,15 @@
};
};
+&gpio1 {
+ can-trx-en-gpio{
+ gpio-hog;
+ gpios = <28 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "can-trx-en-gpio";
+ };
+};
+
&hsusb {
pinctrl-0 = <&usb0_pins>;
pinctrl-names = "default";
@@ -287,6 +303,11 @@
function = "tpu0";
};
+ can0_pins: can0 {
+ groups = "can0_data_d";
+ function = "can0";
+ };
+
i2c2_pins: i2c2 {
groups = "i2c2_b";
function = "i2c2";
--
2.17.1
