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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>
This commit is contained in:
Sebastian Reichel 2016-01-09 04:19:34 +01:00 committed by Tony Lindgren
parent 444d66fafa
commit 96d3bb1a0e
2 changed files with 44 additions and 0 deletions
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15
arch/arm/boot/dts/omap3-n950-n9.dtsi
View File

@ -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 {

29
arch/arm/boot/dts/omap3-n950.dts
View File

@ -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>;
};
};