From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH V5 3/6] ARM: dts: imx6sx-sabreauto: add IO expander max7310 support Date: Fri, 4 May 2018 15:50:28 +0800 Message-ID: <20180504075027.GY3443@dragon> References: <1524725898-27974-1-git-send-email-Anson.Huang@nxp.com> <1524725898-27974-3-git-send-email-Anson.Huang@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1524725898-27974-3-git-send-email-Anson.Huang@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: Anson Huang Cc: kernel@pengutronix.de, fabio.estevam@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, Linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org On Thu, Apr 26, 2018 at 02:58:15PM +0800, Anson Huang wrote: > i.MX6SX Sabre Auto board has two max7310 IO expander > on I2C3 bus, add support for them. > > Signed-off-by: Anson Huang > --- > no changes since V4. > arch/arm/boot/dts/imx6sx-sabreauto.dts | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts > index d59084f..812f40b 100644 > --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts > +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts > @@ -82,6 +82,13 @@ > >; > }; > > + pinctrl_i2c3_2: i2c3grp-2 { Drop suffix number '2'. Shawn > + fsl,pins = < > + MX6SX_PAD_KEY_ROW4__I2C3_SDA 0x4001b8b1 > + MX6SX_PAD_KEY_COL4__I2C3_SCL 0x4001b8b1 > + >; > + }; > + > pinctrl_uart1: uart1grp { > fsl,pins = < > MX6SX_PAD_GPIO1_IO04__UART1_TX 0x1b0b1 > @@ -272,3 +279,24 @@ > }; > }; > }; > + > +&i2c3 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c3_2>; > + status = "okay"; > + > + max7310_a: gpio@30 { > + compatible = "maxim,max7310"; > + reg = <0x30>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + max7310_b: gpio@32 { > + compatible = "maxim,max7310"; > + reg = <0x32>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > +}; > -- > 2.7.4 >