From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gilles DOFFE Subject: [PATCH v2] arm: dts: imx6qdl: add gpio expander pca9535 Date: Fri, 19 Jul 2019 12:46:15 +0200 Message-ID: <20190719104615.5329-1-gilles.doffe@savoirfairelinux.com> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Sender: linux-kernel-owner@vger.kernel.org To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: jerome.oufella@savoirfairelinux.com, rennes@savoirfairelinux.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com List-Id: devicetree@vger.kernel.org The pca9535 gpio expander is present on the Rex baseboard, but missing from the dtsi. Add the new gpio controller and the associated interrupt line MX6QDL_PAD_NANDF_CS3__GPIO6_IO16. Signed-off-by: Gilles DOFFE --- arch/arm/boot/dts/imx6qdl-rex.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6q= dl-rex.dtsi index 97f1659144ea..b517efb22fcb 100644 --- a/arch/arm/boot/dts/imx6qdl-rex.dtsi +++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi @@ -136,6 +136,19 @@ compatible =3D "atmel,24c02"; reg =3D <0x57>; }; + + pca9535: gpio8@27 { + compatible =3D "nxp,pca9535"; + reg =3D <0x27>; + gpio-controller; + #gpio-cells =3D <2>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_pca9535>; + interrupt-parent =3D <&gpio6>; + interrupts =3D <16 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells =3D <2>; + }; }; =20 &i2c3 { @@ -237,6 +250,12 @@ >; }; =20 + pinctrl_pca9535: pca9535 { + fsl,pins =3D < + MX6QDL_PAD_NANDF_CS3__GPIO6_IO16 0x00017059 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins =3D < MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 --=20 2.19.1