From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philippe Schenker Subject: [PATCH v4 11/21] ARM: dts: imx6qdl-apalis: Add sleep state to can interfaces Date: Mon, 12 Aug 2019 14:21:31 +0000 Message-ID: <20190812142105.1995-12-philippe.schenker@toradex.com> References: <20190812142105.1995-1-philippe.schenker@toradex.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20190812142105.1995-1-philippe.schenker@toradex.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Marcel Ziswiler , Max Krummenacher , "stefan@agner.ch" , "devicetree@vger.kernel.org" , Rob Herring , Shawn Guo , Mark Rutland , =?iso-8859-2?Q?Michal_Vok=E1=E8?= , Fabio Estevam Cc: Philippe Schenker , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Pengutronix Kernel Team , NXP Linux Team , Sascha Hauer List-Id: devicetree@vger.kernel.org This patch prepares the devicetree for the new Ixora V1.2 where we are able to turn off the supply of the can transceiver. This implies to use a sleep state on transmission pins in order to prevent backfeeding. Signed-off-by: Philippe Schenker Acked-by: Marcel Ziswiler --- Changes in v4: - Add Marcel Ziswiler's Ack Changes in v3: None Changes in v2: - Changed commit title to '...imx6qdl-apalis:...' arch/arm/boot/dts/imx6qdl-apalis.dtsi | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6= qdl-apalis.dtsi index 7c4ad541c3f5..59ed2e4a1fd1 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi @@ -148,14 +148,16 @@ }; =20 &can1 { - pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_flexcan1>; + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&pinctrl_flexcan1_default>; + pinctrl-1 =3D <&pinctrl_flexcan1_sleep>; status =3D "disabled"; }; =20 &can2 { - pinctrl-names =3D "default"; - pinctrl-0 =3D <&pinctrl_flexcan2>; + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&pinctrl_flexcan2_default>; + pinctrl-1 =3D <&pinctrl_flexcan2_sleep>; status =3D "disabled"; }; =20 @@ -599,19 +601,32 @@ >; }; =20 - pinctrl_flexcan1: flexcan1grp { + pinctrl_flexcan1_default: flexcan1defgrp { fsl,pins =3D < MX6QDL_PAD_GPIO_7__FLEXCAN1_TX 0x1b0b0 MX6QDL_PAD_GPIO_8__FLEXCAN1_RX 0x1b0b0 >; }; =20 - pinctrl_flexcan2: flexcan2grp { + pinctrl_flexcan1_sleep: flexcan1slpgrp { + fsl,pins =3D < + MX6QDL_PAD_GPIO_7__GPIO1_IO07 0x0 + MX6QDL_PAD_GPIO_8__GPIO1_IO08 0x0 + >; + }; + + pinctrl_flexcan2_default: flexcan2defgrp { fsl,pins =3D < MX6QDL_PAD_KEY_COL4__FLEXCAN2_TX 0x1b0b0 MX6QDL_PAD_KEY_ROW4__FLEXCAN2_RX 0x1b0b0 >; }; + pinctrl_flexcan2_sleep: flexcan2slpgrp { + fsl,pins =3D < + MX6QDL_PAD_KEY_COL4__GPIO4_IO14 0x0 + MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x0 + >; + }; =20 pinctrl_gpio_bl_on: gpioblon { fsl,pins =3D < --=20 2.22.0