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authorSebastian Reichel <sre@kernel.org>2016-01-09 04:19:34 +0100
committerTony Lindgren <tony@atomide.com>2016-01-27 10:38:22 -0800
commit96d3bb1a0e0059d12d6ffb05fadeb3361b04b21e (patch)
tree610c134ec4dde82d605596c9d433c279512edaa2 /arch
parent444d66fafab89195a75752bbefb48b030bd24740 (diff)
downloadtalos-op-linux-96d3bb1a0e0059d12d6ffb05fadeb3361b04b21e.tar.gz
talos-op-linux-96d3bb1a0e0059d12d6ffb05fadeb3361b04b21e.zip
ARM: dts: N950: Add wlan support
Add support for the wl1271 wlan chip. As far as I can see N9 uses the same chip with the same enable and irq gpio, but they use the mmc interface instead of the spi interface. Signed-off-by: Sebastian Reichel <sre@kernel.org> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/omap3-n950-n9.dtsi15
-rw-r--r--arch/arm/boot/dts/omap3-n950.dts29
2 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index a2c2b8d8dd2c..ab1174bb409e 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -31,6 +31,14 @@
startup-delay-us = <150>;
enable-active-high;
};
+
+ vwlan_fixed: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "VWLAN";
+ gpio = <&gpio2 3 GPIO_ACTIVE_HIGH>; /* gpio 35 */
+ enable-active-high;
+ regulator-boot-off;
+ };
};
&omap3_pmx_core {
@@ -44,6 +52,13 @@
OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3 */
>;
};
+
+ wlan_pins: pinmux_wlan_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x207c, PIN_OUTPUT | MUX_MODE4) /* gpio 35 - wlan enable */
+ OMAP3_CORE1_IOPAD(0x208a, PIN_INPUT | MUX_MODE4) /* gpio 42 - wlan irq */
+ >;
+ };
};
&i2c1 {
diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts
index 0885b34d5d7d..e5967262f28b 100644
--- a/arch/arm/boot/dts/omap3-n950.dts
+++ b/arch/arm/boot/dts/omap3-n950.dts
@@ -17,6 +17,17 @@
compatible = "nokia,omap3-n950", "ti,omap36xx", "ti,omap3";
};
+&omap3_pmx_core {
+ spi4_pins: pinmux_spi4_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x218c, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_clk */
+ OMAP3_CORE1_IOPAD(0x2190, PIN_OUTPUT | MUX_MODE1) /* mcspi4_simo */
+ OMAP3_CORE1_IOPAD(0x2192, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_somi */
+ OMAP3_CORE1_IOPAD(0x2196, PIN_OUTPUT | MUX_MODE1) /* mcspi4_cs0 */
+ >;
+ };
+};
+
&i2c2 {
smia_1: camera@10 {
compatible = "nokia,smia";
@@ -53,3 +64,21 @@
};
};
};
+
+&mcspi4 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi4_pins>;
+
+ wlcore: wlcore@0 {
+ compatible = "ti,wl1271";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_pins>;
+ reg = <0>;
+ spi-max-frequency = <48000000>;
+ clock-xtal;
+ ref-clock-frequency = <38400000>;
+ interrupts-extended = <&gpio2 10 IRQ_TYPE_LEVEL_HIGH>; /* gpio 42 */
+ vwlan-supply = <&vwlan_fixed>;
+ };
+};
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