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authorBreno Lima <breno.lima@nxp.com>2017-01-23 21:26:53 +0100
committerShawn Guo <shawnguo@kernel.org>2017-01-29 03:04:05 +0100
commit850a983f16eced30e2a825b6d11be256cf647d11 (patch)
treefdb55ccda80a2ae6e9d663b9d6b87062ad49e03c /arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
parentARM: dts: udoo_neo: Add UDOO Neo USB OTG1 and OTG2 support (diff)
downloadlinux-850a983f16eced30e2a825b6d11be256cf647d11.tar.xz
linux-850a983f16eced30e2a825b6d11be256cf647d11.zip
ARM: dts: udoo_neo: Add Wifi support
Udoo Neo has a TI WL1831 Wifi chip connected to the USDHC3 port. Add support for it. Signed-off-by: Breno Lima <breno.lima@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6sx-udoo-neo.dtsi')
-rw-r--r--arch/arm/boot/dts/imx6sx-udoo-neo.dtsi45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
index 99e1aea09539..efdfd851c2c3 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 {
@@ -296,6 +306,19 @@
<MX6SX_PAD_SD2_DATA3__USDHC2_DATA3 0x17059>,
<MX6SX_PAD_SD1_DATA0__GPIO6_IO_2 0x17059>; /* CD */
};
+
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins =
+ <MX6SX_PAD_KEY_COL2__GPIO2_IO_12 0x15059>,
+ <MX6SX_PAD_KEY_ROW1__GPIO2_IO_16 0x13059>,
+ <MX6SX_PAD_SD3_DATA0__USDHC3_DATA0 0x17069>,
+ <MX6SX_PAD_SD3_DATA1__USDHC3_DATA1 0x17069>,
+ <MX6SX_PAD_SD3_DATA2__USDHC3_DATA2 0x17069>,
+ <MX6SX_PAD_SD3_DATA3__USDHC3_DATA3 0x17069>,
+ <MX6SX_PAD_SD3_CMD__USDHC3_CMD 0x17069>,
+ <MX6SX_PAD_SD3_CLK__USDHC3_CLK 0x10069>,
+ <MX6SX_PAD_CSI_MCLK__OSC32K_32K_OUT 0x10059>;
+ };
};
&uart1 {
@@ -351,3 +374,25 @@
wakeup-source;
status = "okay";
};
+
+&usdhc3 { /* Wi-Fi */
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ non-removable;
+ vmmc-supply = <&reg_wlan>;
+ cap-power-off-card;
+ wakeup-source;
+ keep-power-in-suspend;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ wlcore: wlcore@2 {
+ compatible = "ti,wl1831";
+ reg = <2>;
+ interrupt-parent = <&gpio2>;
+ interrupts = <16 IRQ_TYPE_EDGE_RISING>;
+ ref-clock-frequency = <38400000>;
+ tcxo-clock-frequency = <26000000>;
+ };
+};