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Commit b6bbf598 authored by Eyal Reizer's avatar Eyal Reizer Committed by Tony Lindgren
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ARM: dts: am437x-gp-evm: add wilink8 support 



enable mmc3 used for wlan and uart3 used for bluetooth

configure the gpios used for wlan and bluetooth controls

add fixed voltage regulator used for wlan power control

Signed-off-by: default avatarEyal Reizer <eyalr@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 3221dfb7

arch/arm/boot/dts/am437x-gp-evm.dts

+102 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 


	aliases {

		display0 = &lcd0;

		serial3 = &uart3;

	};



	vmmcsd_fixed: fixedregulator-sd {
@@ -42,6 +43,15 @@ 
		gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;

	};



	vmmcwl_fixed: fixedregulator-mmcwl {

		compatible = "regulator-fixed";

		regulator-name = "vmmcwl_fixed";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		gpio = <&gpio1 20 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	backlight {

		compatible = "pwm-backlight";

		pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
@@ -109,6 +119,10 @@ 
};



&am43xx_pinmux {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&wlan_pins_default>;

	pinctrl-1 = <&wlan_pins_sleep>;



	i2c0_pins: i2c0_pins {

		pinctrl-single,pins = <

			0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_sda.i2c0_sda */
@@ -340,6 +354,53 @@ 
			0x204 (DS0_PULL_UP_DOWN_EN | INPUT_EN | MUX_MODE7)  /* cam1_data7 mode 0*/

		>;

	};



	mmc3_pins_default: pinmux_mmc3_pins_default {

		pinctrl-single,pins = <

			0x8c (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_clk.mmc2_clk */

			0x88 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_csn3.mmc2_cmd */

			0x44 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_a1.mmc2_dat0 */

			0x48 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_a2.mmc2_dat1 */

			0x4c (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_a3.mmc2_dat2 */

			0x78 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_be1n.mmc2_dat3 */

		>;

	};



	mmc3_pins_sleep: pinmux_mmc3_pins_sleep {

		pinctrl-single,pins = <

			0x8c (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_clk.mmc2_clk */

			0x88 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_csn3.mmc2_cmd */

			0x44 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a1.mmc2_dat0 */

			0x48 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a2.mmc2_dat1 */

			0x4c (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a3.mmc2_dat2 */

			0x78 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_be1n.mmc2_dat3 */

		>;

	};



	wlan_pins_default: pinmux_wlan_pins_default {

		pinctrl-single,pins = <

			0x50 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)		/* gpmc_a4.gpio1_20 WL_EN */

			0x5c (PIN_INPUT | WAKEUP_ENABLE | MUX_MODE7)	/* gpmc_a7.gpio1_23 WL_IRQ*/

			0x40 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)		/* gpmc_a0.gpio1_16 BT_EN*/

		>;

	};



	wlan_pins_sleep: pinmux_wlan_pins_sleep {

		pinctrl-single,pins = <

			0x50 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)		/* gpmc_a4.gpio1_20 WL_EN */

			0x5c (PIN_INPUT | WAKEUP_ENABLE | MUX_MODE7)	/* gpmc_a7.gpio1_23 WL_IRQ*/

			0x40 (PIN_OUTPUT_PULLUP | MUX_MODE7)		/* gpmc_a0.gpio1_16 BT_EN*/

		>;

	};



	uart3_pins: uart3_pins {

		pinctrl-single,pins = <

			0x228 (PIN_INPUT | MUX_MODE0)		/* uart3_rxd.uart3_rxd */

			0x22c (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_txd.uart3_txd */

			0x230 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart3_ctsn.uart3_ctsn */

			0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_rtsn.uart3_rtsn */

		>;

	};

};



&i2c0 {
@@ -446,6 +507,10 @@ 
	status = "okay";

};



&gpio1 {

	status = "okay";

};



&gpio3 {

	status = "okay";

};
@@ -468,6 +533,43 @@ 
	cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;

};



&mmc3 {

	status = "okay";

	/* these are on the crossbar and are outlined in the

	   xbar-event-map element */

	dmas = <&edma 30

		&edma 31>;

	dma-names = "tx", "rx";

	vmmc-supply = <&vmmcwl_fixed>;

	bus-width = <4>;

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&mmc3_pins_default>;

	pinctrl-1 = <&mmc3_pins_sleep>;

	cap-power-off-card;

	keep-power-in-suspend;

	ti,non-removable;



	#address-cells = <1>;

	#size-cells = <0>;

	wlcore: wlcore@0 {

		compatible = "ti,wl1835";

		reg = <2>;

		interrupt-parent = <&gpio1>;

		interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;

	};

};



&edma {

	ti,edma-xbar-event-map = /bits/ 16 <1 30

					    2 31>;

};



&uart3 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&uart3_pins>;

};



&usb2_phy1 {

	status = "okay";

};

include/dt-bindings/pinctrl/am43xx.h

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#define SLEWCTRL_SLOW		(1 << 19)

#define SLEWCTRL_FAST		0

#define DS0_PULL_UP_DOWN_EN	(1 << 27)

#define WAKEUP_ENABLE		(1 << 29)



#define PIN_OUTPUT		(PULL_DISABLE)

#define PIN_OUTPUT_PULLUP	(PULL_UP)