[PATCH] ARM: dts: imx7d-pico: Add Wifi support

[PATCH] ARM: dts: imx7d-pico: Add Wifi support

[Vanessa Maegima]

imx7d-pico has an ap6212 wifi chip connected to usdhc2 port.

Add support for the usdhc2 port and to the WL_REG_ON regulator
so Wifi can be functional on this board.

Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
---
 arch/arm/boot/dts/imx7d-pico.dts | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-pico.dts b/arch/arm/boot/dts/imx7d-pico.dts
index e78c2c9..db9f345 100644
--- a/arch/arm/boot/dts/imx7d-pico.dts
+++ b/arch/arm/boot/dts/imx7d-pico.dts
@@ -52,6 +52,17 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	reg_ap6212: regulator-ap6212 {
+			compatible = "regulator-fixed";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_reg_ap6212>;
+			regulator-name = "AP6212";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio4 16 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+	};
+
 	reg_2p5v: regulator-2p5v {
 		compatible = "regulator-fixed";
 		regulator-name = "2P5V";
@@ -271,6 +282,17 @@
 	status = "okay";
 };
 
+&usdhc2 { /* Wifi SDIO */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	no-1-8-v;
+	non-removable;
+	keep-power-in-suspend;
+	wakeup-source;
+	vmmc-supply = <&reg_ap6212>;
+	status = "okay";
+};
+
 &usdhc3 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc3>;
@@ -326,6 +348,13 @@
 		>;
 	};
 
+	pinctrl_reg_ap6212: regap6212grp {
+		fsl,pins = <
+			MX7D_PAD_ECSPI1_SCLK__GPIO4_IO16	0x59
+			MX7D_PAD_ECSPI1_SS0__GPIO4_IO19		0x59 /* WL_HOST_WAKE */
+		>;
+	};
+
 	pinctrl_sai1: sai1grp {
 		fsl,pins = <
 			MX7D_PAD_ENET1_RX_CLK__SAI1_TX_BCLK	0x1f
@@ -348,6 +377,17 @@
 		>;
 	};
 
+	pinctrl_usdhc2: usdhc2grp {
+			fsl,pins = <
+				MX7D_PAD_SD2_CMD__SD2_CMD	0x59
+				MX7D_PAD_SD2_CLK__SD2_CLK	0x19
+				MX7D_PAD_SD2_DATA0__SD2_DATA0	0x59
+				MX7D_PAD_SD2_DATA1__SD2_DATA1	0x59
+				MX7D_PAD_SD2_DATA2__SD2_DATA2	0x59
+				MX7D_PAD_SD2_DATA3__SD2_DATA3	0x59
+			>;
+	};
+
 	pinctrl_usdhc3: usdhc3grp {
 		fsl,pins = <
 			MX7D_PAD_SD3_CMD__SD3_CMD		0x59
-- 
2.7.4

[PATCH] ARM: dts: imx7d-pico: Add Wifi support

[Shawn Guo]

On Thu, Aug 17, 2017 at 03:25:20PM -0300, Vanessa Maegima wrote:
> imx7d-pico has an ap6212 wifi chip connected to usdhc2 port.
> 
> Add support for the usdhc2 port and to the WL_REG_ON regulator
> so Wifi can be functional on this board.
> 
> Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
> ---
>  arch/arm/boot/dts/imx7d-pico.dts | 40 ++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx7d-pico.dts b/arch/arm/boot/dts/imx7d-pico.dts
> index e78c2c9..db9f345 100644
> --- a/arch/arm/boot/dts/imx7d-pico.dts
> +++ b/arch/arm/boot/dts/imx7d-pico.dts
> @@ -52,6 +52,17 @@
>  		reg = <0x80000000 0x80000000>;
>  	};
>  
> +	reg_ap6212: regulator-ap6212 {
> +			compatible = "regulator-fixed";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pinctrl_reg_ap6212>;
> +			regulator-name = "AP6212";
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3300000>;
> +			gpio = <&gpio4 16 GPIO_ACTIVE_HIGH>;
> +			enable-active-high;

Bad indentation.

> +	};
> +
>  	reg_2p5v: regulator-2p5v {
>  		compatible = "regulator-fixed";
>  		regulator-name = "2P5V";
> @@ -271,6 +282,17 @@
>  	status = "okay";
>  };
>  
> +&usdhc2 { /* Wifi SDIO */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc2>;
> +	no-1-8-v;
> +	non-removable;
> +	keep-power-in-suspend;
> +	wakeup-source;
> +	vmmc-supply = <&reg_ap6212>;
> +	status = "okay";
> +};
> +
>  &usdhc3 {
>  	pinctrl-names = "default", "state_100mhz", "state_200mhz";
>  	pinctrl-0 = <&pinctrl_usdhc3>;
> @@ -326,6 +348,13 @@
>  		>;
>  	};
>  
> +	pinctrl_reg_ap6212: regap6212grp {
> +		fsl,pins = <
> +			MX7D_PAD_ECSPI1_SCLK__GPIO4_IO16	0x59
> +			MX7D_PAD_ECSPI1_SS0__GPIO4_IO19		0x59 /* WL_HOST_WAKE */

I only see gpio4_16 is used in regulator-ap6212.  Why do we need to set
up GPIO4_IO19 here?

Shawn

> +		>;
> +	};
> +
>  	pinctrl_sai1: sai1grp {
>  		fsl,pins = <
>  			MX7D_PAD_ENET1_RX_CLK__SAI1_TX_BCLK	0x1f
> @@ -348,6 +377,17 @@
>  		>;
>  	};
>  
> +	pinctrl_usdhc2: usdhc2grp {
> +			fsl,pins = <
> +				MX7D_PAD_SD2_CMD__SD2_CMD	0x59
> +				MX7D_PAD_SD2_CLK__SD2_CLK	0x19
> +				MX7D_PAD_SD2_DATA0__SD2_DATA0	0x59
> +				MX7D_PAD_SD2_DATA1__SD2_DATA1	0x59
> +				MX7D_PAD_SD2_DATA2__SD2_DATA2	0x59
> +				MX7D_PAD_SD2_DATA3__SD2_DATA3	0x59
> +			>;
> +	};
> +
>  	pinctrl_usdhc3: usdhc3grp {
>  		fsl,pins = <
>  			MX7D_PAD_SD3_CMD__SD3_CMD		0x59
> -- 
> 2.7.4
> 
> 
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