[PATCH 2/3] ARM: dts: imx7d-sdb: Add Wifi support
Shawn Guo
shawnguo at kernel.org
Sun Jun 4 18:54:02 PDT 2017
On Mon, May 29, 2017 at 04:00:59PM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam at nxp.com>
>
> imx7d-sdb has a BCM4339 Wifi chip connected to USDHC2.
>
> Add support for it.
>
> While at it, move the WL_REG_ON pin to the correct pinctrl node.
>
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
> ---
> arch/arm/boot/dts/imx7d-sdb.dts | 32 +++++++++++++++++++++++++++++++-
> 1 file changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
> index 38944ca..fc7e0b0 100644
> --- a/arch/arm/boot/dts/imx7d-sdb.dts
> +++ b/arch/arm/boot/dts/imx7d-sdb.dts
> @@ -105,6 +105,18 @@
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <1800000>;
> };
> +
> + reg_brcm: regulator-brcm {
> + compatible = "regulator-fixed";
> + gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-name = "brcm_reg";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_brcm_reg>;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + startup-delay-us = <200000>;
> + };
> };
>
> &adc1 {
> @@ -379,6 +391,19 @@
> status = "okay";
> };
>
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + enable-sdio-wakeup;
Use 'wakeup-source' instead.
Shawn
> + keep-power-in-suspend;
> + non-removable;
> + vmmc-supply = <®_brcm>;
> + fsl,tuning-step = <2>;
> + status = "okay";
> +};
> +
> &usdhc3 {
> pinctrl-names = "default", "state_100mhz", "state_200mhz";
> pinctrl-0 = <&pinctrl_usdhc3>;
> @@ -403,6 +428,12 @@
> pinctrl-0 = <&pinctrl_hog>;
>
> imx7d-sdb {
> + pinctrl_brcm_reg: brcmreggrp {
> + fsl,pins = <
> + MX7D_PAD_ECSPI2_MOSI__GPIO4_IO21 0x14
> + >;
> + };
> +
> pinctrl_ecspi3: ecspi3grp {
> fsl,pins = <
> MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO 0x2
> @@ -570,7 +601,6 @@
> MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59
> MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59
> MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59
> - MX7D_PAD_ECSPI2_MOSI__GPIO4_IO21 0x59 /* WL_REG_ON */
> >;
> };
>
> --
> 2.7.4
>
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