Commit fdcc5010 authored by Hari Nagalla's avatar Hari Nagalla Committed by Tony Lindgren
Browse files

ARM: dts: dra7-evm: Add wilink8 wlan support 



The wilink module is a combo wireless connectivity sdio
card based on Texas Instrument's wl18xx solution. It is a
4-wire, 1.8V, embedded sdio wlan device with an external
irq line and is power-controlled by a gpio-based fixed
regulator.

Add pinmux configuration and IODelay values for MMC4.
On dra7-evm, MMC4 is used for connecting to wilink module.

IODelay data credits to :  Vishal Mahaveer <vishalm@ti.com>
and Sekhar Nori <nsekhar@ti.com>

Signed-off-by: default avatarIdo Yariv <ido@wizery.com>
Signed-off-by: default avatarEyal Reizer <eyalr@ti.com>
Signed-off-by: default avatarHari Nagalla <hnagalla@ti.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 135eae49

arch/arm/boot/dts/dra7-evm-common.dtsi

+15 −0
Original line number Diff line number Diff line
@@ -260,3 +260,18 @@ mbox_dsp2_ipc3x: mbox_dsp2_ipc3x { 
&pcie1_rc {

	status = "okay";

};



&mmc4 {

	bus-width = <4>;

	cap-power-off-card;

	keep-power-in-suspend;

	non-removable;

	#address-cells = <1>;

	#size-cells = <0>;

	wifi@2 {

		compatible = "ti,wl1835";

		reg = <2>;

		interrupt-parent = <&gpio5>;

		interrupts = <7 IRQ_TYPE_EDGE_RISING>;

	};

};

arch/arm/boot/dts/dra7-evm.dts

+25 −0
Original line number Diff line number Diff line
@@ -96,6 +96,16 @@ evm_3v6: fixedregulator-evm_3v6 { 
		regulator-boot-on;

	};



	vmmcwl_fixed: fixedregulator-mmcwl {

		compatible = "regulator-fixed";

		regulator-name = "vmmcwl_fixed";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		gpio = <&gpio5 8 0>;

		startup-delay-us = <70000>;

		enable-active-high;

	};



	extcon_usb2: extcon_usb2 {

		compatible = "linux,extcon-usb-gpio";

		id-gpio = <&pcf_gpio_21 2 GPIO_ACTIVE_HIGH>;
@@ -376,6 +386,21 @@ &mmc2 { 
	pinctrl-5 = <&mmc2_pins_hs200 &mmc2_iodelay_hs200_rev20_conf>;

};



&mmc4 {

	status = "okay";

	vmmc-supply = <&evm_3v6>;

	vqmmc-supply = <&vmmcwl_fixed>;

	pinctrl-names = "default-rev11", "default", "hs-rev11", "hs", "sdr12-rev11", "sdr12", "sdr25-rev11", "sdr25";

	pinctrl-0 = <&mmc4_pins_default &mmc4_iodelay_ds_rev11_conf>;

	pinctrl-1 = <&mmc4_pins_default &mmc4_iodelay_ds_rev20_conf>;

	pinctrl-2 = <&mmc4_pins_hs &mmc4_iodelay_sdr12_hs_sdr25_rev11_conf>;

	pinctrl-3 = <&mmc4_pins_hs &mmc4_iodelay_sdr12_hs_sdr25_rev20_conf>;

	pinctrl-4 = <&mmc4_pins_sdr12 &mmc4_iodelay_sdr12_hs_sdr25_rev11_conf>;

	pinctrl-5 = <&mmc4_pins_sdr12 &mmc4_iodelay_sdr12_hs_sdr25_rev20_conf>;

	pinctrl-6 = <&mmc4_pins_sdr25 &mmc4_iodelay_sdr12_hs_sdr25_rev11_conf>;

	pinctrl-7 = <&mmc4_pins_sdr25 &mmc4_iodelay_sdr12_hs_sdr25_rev20_conf>;

};



&cpu0 {

	vdd-supply = <&smps123_reg>;

};