From mboxrd@z Thu Jan 1 00:00:00 1970 From: breno.lima@nxp.com (Breno Lima) Date: Thu, 19 Jan 2017 14:30:04 -0200 Subject: [PATCH v2 2/3] ARM: dts: udoo_neo: Add Wifi support In-Reply-To: <1484843405-14892-1-git-send-email-breno.lima@nxp.com> References: <1484843405-14892-1-git-send-email-breno.lima@nxp.com> Message-ID: <1484843405-14892-2-git-send-email-breno.lima@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Udoo Neo has a TI WL1831 Wifi chip connected to the USDHC3 port. Add support for it. Signed-off-by: Breno Lima --- Changes since v1: - Newly introduced in this series arch/arm/boot/dts/imx6sx-udoo-neo.dtsi | 45 ++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi index e9d0596..6787a83 100644 --- a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi +++ b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi @@ -97,6 +97,16 @@ gpio = <&gpio4 12 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_wlan: regulator-wlan { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>; + startup-delay-us = <70000>; + enable-active-high; + }; }; &cpu0 { @@ -295,6 +305,19 @@ , ; /* CD */ }; + + pinctrl_usdhc3: usdhc3grp { + fsl,pins = + , + , + , + , + , + , + , + , + ; + }; }; &uart1 { @@ -350,3 +373,25 @@ wakeup-source; status = "okay"; }; + +&usdhc3 { /* Wi-Fi */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc3>; + non-removable; + vmmc-supply = <®_wlan>; + cap-power-off-card; + wakeup-source; + keep-power-in-suspend; + status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore at 2 { + compatible = "ti,wl1831"; + reg = <2>; + interrupt-parent = <&gpio2>; + interrupts = <16 IRQ_TYPE_EDGE_RISING>; + ref-clock-frequency = <38400000>; + tcxo-clock-frequency = <26000000>; + }; +}; -- 2.7.4