[PATCH 4.4.y-cip 12/14] ARM: dts: r8a7742-iwg21d-q7: Add can1 support to carrier board


Lad Prabhakar
 

commit 68ee7720a01cf20e1de20a2e770b6568db18c253 upstream.

This patch enables CAN1 interface exposed through connector J20 on the
carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
Reviewed-by: Chris Paterson <Chris.Paterson2@...>
Link: https://lore.kernel.org/r/20200907155541.2011-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@...>
[PL: Manually applied the changes]
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
---
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 728664e901fc..4adcf97ae7c4 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -130,10 +130,26 @@
};
};

+&can1 {
+ pinctrl-0 = <&can1_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
&cmt0 {
status = "okay";
};

+&gpio1 {
+ can-trx-en-gpio{
+ gpio-hog;
+ gpios = <28 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "can-trx-en-gpio";
+ };
+};
+
&msiof0 {
pinctrl-0 = <&msiof0_pins>;
pinctrl-names = "default";
@@ -178,6 +194,11 @@
function = "avb";
};

+ can1_pins: can1 {
+ groups = "can1_data_b";
+ function = "can1";
+ };
+
i2c2_pins: i2c2 {
groups = "i2c2_b";
function = "i2c2";
--
2.17.1

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