diff mbox series

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

Message ID 20201109155011.10291-13-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Accepted
Delegated to: Nobuhiro Iwamatsu
Headers show
Series Renesas RZ/G1H add support for CAN, IPMMU, QSPI, RTC | expand

Commit Message

Lad Prabhakar Nov. 9, 2020, 3:50 p.m. UTC 
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@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200907155541.2011-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
[PL: Manually applied the changes]
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox series

Patch

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";