[PATCH V5 1/6] ARM: dts: imx6sx-sabreauto: add PMIC support

[PATCH V5 1/6] ARM: dts: imx6sx-sabreauto: add PMIC support

[Anson Huang]

Add pfuze100 support on i.MX6SX Sabre Auto board.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
no changes since V4.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 117 +++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 57d1ea0..2caca934 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -74,6 +74,14 @@
 
 &iomuxc {
 	imx6x-sabreauto {
+
+		pinctrl_i2c2_1: i2c2grp-1 {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO03__I2C2_SDA          0x4001b8b1
+				MX6SX_PAD_GPIO1_IO02__I2C2_SCL          0x4001b8b1
+			>;
+		};
+
 		pinctrl_uart1: uart1grp {
 			fsl,pins = <
 				MX6SX_PAD_GPIO1_IO04__UART1_TX		0x1b0b1
@@ -148,3 +156,112 @@
 		};
 	};
 };
+
+&i2c2 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2_1>;
+	status = "okay";
+
+	pmic: pfuze100@08 {
+		compatible = "fsl,pfuze100";
+		reg = <0x08>;
+
+		regulators {
+			sw1a_reg: sw1ab {
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <6250>;
+			};
+
+			sw1c_reg: sw1c {
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <6250>;
+			};
+
+			sw2_reg: sw2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw3a_reg: sw3a {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw3b_reg: sw3b {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw4_reg: sw4 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			swbst_reg: swbst {
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5150000>;
+			};
+
+			snvs_reg: vsnvs {
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vref_reg: vrefddr {
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			vgen1_reg: vgen1 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+				regulator-always-on;
+			};
+
+			vgen2_reg: vgen2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+			};
+
+			vgen3_reg: vgen3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen4_reg: vgen4 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen5_reg: vgen5 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vgen6_reg: vgen6 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
-- 
2.7.4

[PATCH V5 2/6] ARM: dts: imx6sx-sabreauto: add max7322 IO expander support

[Anson Huang]

Add MAX7322 IO expander support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
no changes since V4.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 2caca934..d59084f 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -163,6 +163,13 @@
 	pinctrl-0 = <&pinctrl_i2c2_1>;
 	status = "okay";
 
+	max7322: gpio@68 {
+		compatible = "maxim,max7322";
+		reg = <0x68>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
 	pmic: pfuze100@08 {
 		compatible = "fsl,pfuze100";
 		reg = <0x08>;
-- 
2.7.4

[PATCH V5 3/6] ARM: dts: imx6sx-sabreauto: add IO expander max7310 support

[Anson Huang]

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 {
+			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

[PATCH V5 4/6] ARM: dts: imx6sx-sabreauto: add fec support

[Anson Huang]

Add FEC support on i.MX6SX Sabre Auto board.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
changes since V4:
	add fec gpio regulator and set its default value to LOW for 1.5V IO purpose.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 80 ++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 812f40b..088a66c 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -23,6 +23,17 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		reg_fec: fec_io_supply {
+			compatible = "regulator-gpio";
+			regulator-name = "1.8V_1.5V_FEC";
+			regulator-min-microvolt = <1500000>;
+			regulator-max-microvolt = <1800000>;
+			states = <1500000 0x0 1800000 0x1>;
+			enable-gpio = <&max7322 0 GPIO_ACTIVE_HIGH>;
+			vin-supply = <&sw2_reg>;
+			enable-active-high;
+		};
+
 		vcc_sd3: regulator@0 {
 			compatible = "regulator-fixed";
 			reg = <0>;
@@ -41,6 +52,39 @@
 	clock-frequency = <24576000>;
 };
 
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet1_1>;
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy1>;
+	fsl,magic-packet;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+		};
+
+		ethphy1: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+		};
+	};
+};
+
+&fec2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet2_1>;
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy0>;
+	fsl,magic-packet;
+	status = "okay";
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
@@ -75,6 +119,42 @@
 &iomuxc {
 	imx6x-sabreauto {
 
+		pinctrl_enet1_1: enet1grp-1 {
+			fsl,pins = <
+				MX6SX_PAD_ENET1_MDIO__ENET1_MDIO        0xa0b1
+				MX6SX_PAD_ENET1_MDC__ENET1_MDC          0xa0b1
+				MX6SX_PAD_RGMII1_TXC__ENET1_RGMII_TXC   0xa0b9
+				MX6SX_PAD_RGMII1_TD0__ENET1_TX_DATA_0   0xa0b1
+				MX6SX_PAD_RGMII1_TD1__ENET1_TX_DATA_1   0xa0b1
+				MX6SX_PAD_RGMII1_TD2__ENET1_TX_DATA_2   0xa0b1
+				MX6SX_PAD_RGMII1_TD3__ENET1_TX_DATA_3   0xa0b1
+				MX6SX_PAD_RGMII1_TX_CTL__ENET1_TX_EN    0xa0b1
+				MX6SX_PAD_RGMII1_RXC__ENET1_RX_CLK      0x3081
+				MX6SX_PAD_RGMII1_RD0__ENET1_RX_DATA_0   0x3081
+				MX6SX_PAD_RGMII1_RD1__ENET1_RX_DATA_1   0x3081
+				MX6SX_PAD_RGMII1_RD2__ENET1_RX_DATA_2   0x3081
+				MX6SX_PAD_RGMII1_RD3__ENET1_RX_DATA_3   0x3081
+				MX6SX_PAD_RGMII1_RX_CTL__ENET1_RX_EN    0x3081
+			>;
+		};
+
+		pinctrl_enet2_1: enet2grp-1 {
+			fsl,pins = <
+				MX6SX_PAD_RGMII2_TXC__ENET2_RGMII_TXC   0xa0b9
+				MX6SX_PAD_RGMII2_TD0__ENET2_TX_DATA_0   0xa0b1
+				MX6SX_PAD_RGMII2_TD1__ENET2_TX_DATA_1   0xa0b1
+				MX6SX_PAD_RGMII2_TD2__ENET2_TX_DATA_2   0xa0b1
+				MX6SX_PAD_RGMII2_TD3__ENET2_TX_DATA_3   0xa0b1
+				MX6SX_PAD_RGMII2_TX_CTL__ENET2_TX_EN    0xa0b1
+				MX6SX_PAD_RGMII2_RXC__ENET2_RX_CLK      0x3081
+				MX6SX_PAD_RGMII2_RD0__ENET2_RX_DATA_0   0x3081
+				MX6SX_PAD_RGMII2_RD1__ENET2_RX_DATA_1   0x3081
+				MX6SX_PAD_RGMII2_RD2__ENET2_RX_DATA_2   0x3081
+				MX6SX_PAD_RGMII2_RD3__ENET2_RX_DATA_3   0x3081
+				MX6SX_PAD_RGMII2_RX_CTL__ENET2_RX_EN    0x3081
+			>;
+		};
+
 		pinctrl_i2c2_1: i2c2grp-1 {
 			fsl,pins = <
 				MX6SX_PAD_GPIO1_IO03__I2C2_SDA          0x4001b8b1
-- 
2.7.4

[PATCH V5 5/6] ARM: dts: imx6sx-sabreauto: add wdog external reset support

[Anson Huang]

i.MX6SX Sabre Auto board has GPIO1_IO13 pin can be
MUXed as WDOG output to reset PMIC, add this function
support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
no changes since V4.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 088a66c..eb1452c 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -241,6 +241,12 @@
 				MX6SX_PAD_KEY_COL1__GPIO2_IO_11		0x17059
 			>;
 		};
+
+		pinctrl_wdog: wdoggrp {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO13__WDOG1_WDOG_ANY 0x30b0
+			>;
+		};
 	};
 };
 
@@ -380,3 +386,9 @@
 		#gpio-cells = <2>;
 	};
 };
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+};
-- 
2.7.4

[PATCH V5 6/6] ARM: imx_v6_v7_defconfig: Select CONFIG_GPIO_MAX732X by default

[Anson Huang]

Enable max7320 IO expander for i.MX platforms.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
no changes since V4.
 arch/arm/configs/imx_v6_v7_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 3a30843..8455d39 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -199,6 +199,7 @@ CONFIG_SPI_GPIO=y
 CONFIG_SPI_IMX=y
 CONFIG_SPI_FSL_DSPI=y
 CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_MAX732X=y
 CONFIG_GPIO_MC9S08DZ60=y
 CONFIG_GPIO_PCA953X=y
 CONFIG_GPIO_STMPE=y
-- 
2.7.4

Re: [PATCH V5 1/6] ARM: dts: imx6sx-sabreauto: add PMIC support

[Shawn Guo]

On Thu, Apr 26, 2018 at 02:58:13PM +0800, Anson Huang wrote:
> Add pfuze100 support on i.MX6SX Sabre Auto board.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> no changes since V4.
>  arch/arm/boot/dts/imx6sx-sabreauto.dts | 117 +++++++++++++++++++++++++++++++++
>  1 file changed, 117 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> index 57d1ea0..2caca934 100644
> --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
> +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> @@ -74,6 +74,14 @@
>  
>  &iomuxc {
>  	imx6x-sabreauto {
> +

Drop this newline.

> +		pinctrl_i2c2_1: i2c2grp-1 {

The suffix "1" doesn't make any sense now.

	pinctrl_i2c2: i2c2grp {

> +			fsl,pins = <
> +				MX6SX_PAD_GPIO1_IO03__I2C2_SDA          0x4001b8b1
> +				MX6SX_PAD_GPIO1_IO02__I2C2_SCL          0x4001b8b1
> +			>;
> +		};
> +
>  		pinctrl_uart1: uart1grp {
>  			fsl,pins = <
>  				MX6SX_PAD_GPIO1_IO04__UART1_TX		0x1b0b1
> @@ -148,3 +156,112 @@
>  		};
>  	};
>  };
> +
> +&i2c2 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2_1>;
> +	status = "okay";
> +
> +	pmic: pfuze100@08 {

Use generic name for node, and specific name for label.  Also, drop the
leading zeros in unit-address.

	pfuze100: pmic@8 {

Shawn

> +		compatible = "fsl,pfuze100";
> +		reg = <0x08>;
> +
> +		regulators {
> +			sw1a_reg: sw1ab {
> +				regulator-min-microvolt = <300000>;
> +				regulator-max-microvolt = <1875000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <6250>;
> +			};
> +
> +			sw1c_reg: sw1c {
> +				regulator-min-microvolt = <300000>;
> +				regulator-max-microvolt = <1875000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <6250>;
> +			};
> +
> +			sw2_reg: sw2 {
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			sw3a_reg: sw3a {
> +				regulator-min-microvolt = <400000>;
> +				regulator-max-microvolt = <1975000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			sw3b_reg: sw3b {
> +				regulator-min-microvolt = <400000>;
> +				regulator-max-microvolt = <1975000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			sw4_reg: sw4 {
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			swbst_reg: swbst {
> +				regulator-min-microvolt = <5000000>;
> +				regulator-max-microvolt = <5150000>;
> +			};
> +
> +			snvs_reg: vsnvs {
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <3000000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			vref_reg: vrefddr {
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			vgen1_reg: vgen1 {
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <1550000>;
> +				regulator-always-on;
> +			};
> +
> +			vgen2_reg: vgen2 {
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <1550000>;
> +			};
> +
> +			vgen3_reg: vgen3 {
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			vgen4_reg: vgen4 {
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			vgen5_reg: vgen5 {
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +
> +			vgen6_reg: vgen6 {
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +			};
> +		};
> +	};
> +};
> -- 
> 2.7.4
> 

Re: [PATCH V5 2/6] ARM: dts: imx6sx-sabreauto: add max7322 IO expander support

[Shawn Guo]

On Thu, Apr 26, 2018 at 02:58:14PM +0800, Anson Huang wrote:
> Add MAX7322 IO expander support.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> no changes since V4.
>  arch/arm/boot/dts/imx6sx-sabreauto.dts | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> index 2caca934..d59084f 100644
> --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
> +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> @@ -163,6 +163,13 @@
>  	pinctrl-0 = <&pinctrl_i2c2_1>;
>  	status = "okay";
>  
> +	max7322: gpio@68 {
> +		compatible = "maxim,max7322";
> +		reg = <0x68>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +	};
> +

For child nodes having unit-address ('reg' property), sort them in order
of unit-address.

Shawn

>  	pmic: pfuze100@08 {
>  		compatible = "fsl,pfuze100";
>  		reg = <0x08>;
> -- 
> 2.7.4
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH V5 3/6] ARM: dts: imx6sx-sabreauto: add IO expander max7310 support

[Shawn Guo]

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
> 

Re: [PATCH V5 6/6] ARM: imx_v6_v7_defconfig: Select CONFIG_GPIO_MAX732X by default

[Shawn Guo]

On Thu, Apr 26, 2018 at 02:58:18PM +0800, Anson Huang wrote:
> Enable max7320 IO expander for i.MX platforms.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>

Applied, thanks.