| Message ID | 1524725898-27974-3-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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 <Anson.Huang@nxp.com> > --- > 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 >
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 { + 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>; + }; +};
i.MX6SX Sabre Auto board has two max7310 IO expander on I2C3 bus, add support for them. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- no changes since V4. arch/arm/boot/dts/imx6sx-sabreauto.dts | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)