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Commit 444d66fa authored by Uri Mashiach's avatar Uri Mashiach Committed by Tony Lindgren
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ARM: dts: add spi wifi support to cm-t335 



Device tree modifications:
- Pinmux for SPI0 and WiFi GPIOs.
- SPI0 node with wlcore as a child node.

Signed-off-by: default avatarUri Mashiach <uri.mashiach@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 48ab3644

arch/arm/boot/dts/am335x-cm-t335.dts

+55 −0
Original line number Original line Diff line number Diff line
@@ -11,6 +11,7 @@ 
/dts-v1/;

/dts-v1/;





#include "am33xx.dtsi"

#include "am33xx.dtsi"

#include <dt-bindings/interrupt-controller/irq.h>





/ {

/ {

	model = "CompuLab CM-T335";

	model = "CompuLab CM-T335";
@@ -40,6 +41,15 @@ 
		regulator-max-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};

	};





	/* Regulator for WiFi */

	vwlan_fixed: fixedregulator@2 {

		compatible = "regulator-fixed";

		regulator-name = "vwlan_fixed";

		gpio = <&gpio0 20 GPIO_ACTIVE_HIGH>; /* gpio0_20 */

		enable-active-high;

		regulator-boot-off;

	};



	backlight {

	backlight {

		compatible = "pwm-backlight";

		compatible = "pwm-backlight";

		pwms = <&ecap0 0 50000 0>;

		pwms = <&ecap0 0 50000 0>;
@@ -271,6 +281,21 @@ 
		>;

		>;

	};

	};





	spi0_pins: pinmux_spi0_pins {

		pinctrl-single,pins = <

			/* spi0_sclk.spi0_sclk */

			AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE0)

			/* spi0_d0.spi0_d0 */

			AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLUP | MUX_MODE0)

			/* spi0_d1.spi0_d1 */

			AM33XX_IOPAD(0x958, PIN_INPUT | MUX_MODE0)

			/* spi0_cs0.spi0_cs0 */

			AM33XX_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0)

			/* spi0_cs1.spi0_cs1 */

			AM33XX_IOPAD(0x960, PIN_OUTPUT | MUX_MODE0)

		>;

	};



	/* wl1271 bluetooth */

	/* wl1271 bluetooth */

	bluetooth_pins: pinmux_bluetooth_pins {

	bluetooth_pins: pinmux_bluetooth_pins {

		pinctrl-single,pins = <

		pinctrl-single,pins = <
@@ -292,6 +317,16 @@ 
			AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE4)

			AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE4)

		>;

		>;

	};

	};



	/* wl1271 WiFi */

	wifi_pins: pinmux_wifi_pins {

		pinctrl-single,pins = <

			/* EMU1.gpio3_8 - WiFi IRQ */

			AM33XX_IOPAD(0x9e8, PIN_INPUT_PULLUP | MUX_MODE7)

			/* XDMA_EVENT_INTR1.gpio0_20 - WiFi enable */

			AM33XX_IOPAD(0x9b4, PIN_OUTPUT | MUX_MODE7)

		>;

	};

};

};





&uart0 {

&uart0 {
@@ -510,3 +545,23 @@ status = "okay"; 
		#sound-dai-cells= <0>;

		#sound-dai-cells= <0>;

		status = "okay";

		status = "okay";

};

};



&spi0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&spi0_pins>;

	ti,pindir-d0-out-d1-in = <1>;

	/* WLS1271 WiFi */

	wlcore: wlcore@1 {

		compatible = "ti,wl1271";

		pinctrl-names = "default";

		pinctrl-0 = <&wifi_pins>;

		reg = <1>;

		spi-max-frequency = <48000000>;

		clock-xtal;

		ref-clock-frequency = <38400000>;

		interrupt-parent = <&gpio3>;

		interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;

		vwlan-supply = <&vwlan_fixed>;

	};

};