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Date: Tue, 25 Aug 2020 17:27:17 +0100 From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com> To: Geert Uytterhoeven <geert+renesas@...der.be>, Magnus Damm <magnus.damm@...il.com>, Rob Herring <robh+dt@...nel.org>, linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>, Prabhakar <prabhakar.csengg@...il.com> Subject: [PATCH 3/4] ARM: dts: r8a7742-iwg21d-q7: Add can0 support to carrier board This patch enables CAN0 interface exposed through connector J20 on the carrier board. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@...esas.com> --- 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
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