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arm64: dts: ti: k3-am642-sk: Enable WLAN connected to SDHCI0 

WL1837 module is connected to SDHCI0 in AM642 SK. Enable it here.
This will enable the WiFi functionaliy on the board.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Aparna M <a-m1@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20220414133612.13365-1-a-m1@ti.com
This commit is contained in:
Kishon Vijay Abraham I 2022-04-14 19:06:12 +05:30 committed by Vignesh Raghavendra
parent 439677d416
commit 065d62612e
1 changed files with 62 additions and 0 deletions
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62
arch/arm64/boot/dts/ti/k3-am642-sk.dts
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@ -125,6 +125,31 @@
vin-supply = <&vcc_3v3_sys>;
gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
};
com8_ls_en: regulator-1 {
compatible = "regulator-fixed";
regulator-name = "com8_ls_en";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
pinctrl-0 = <&main_com8_ls_en_pins_default>;
pinctrl-names = "default";
gpio = <&main_gpio0 62 GPIO_ACTIVE_LOW>;
};
wlan_en: regulator-2 {
/* output of SN74AVC4T245RSVR */
compatible = "regulator-fixed";
regulator-name = "wlan_en";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
enable-active-high;
pinctrl-0 = <&main_wlan_en_pins_default>;
pinctrl-names = "default";
vin-supply = <&com8_ls_en>;
gpio = <&main_gpio0 48 GPIO_ACTIVE_HIGH>;
};
};
&main_pmx0 {
@ -216,6 +241,23 @@
AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
>;
};
main_wlan_en_pins_default: main-wlan-en-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x00c4, PIN_OUTPUT_PULLUP, 7) /* (V8) GPIO0_48 */
>;
};
main_com8_ls_en_pins_default: main-com8-ls-en-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x00fc, PIN_OUTPUT, 7) /* (U7) PRG1_PRU0_GPO17.GPIO0_62 */
>;
};
main_wlan_pins_default: main-wlan-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x00bc, PIN_INPUT, 7) /* (U8) GPIO0_46 */
>;
};
};
&mcu_uart0 {
@ -293,6 +335,26 @@
status = "reserved";
};
&sdhci0 {
vmmc-supply = <&wlan_en>;
bus-width = <4>;
non-removable;
cap-power-off-card;
keep-power-in-suspend;
ti,driver-strength-ohm = <50>;
#address-cells = <1>;
#size-cells = <0>;
wlcore: wlcore@2 {
compatible = "ti,wl1837";
reg = <2>;
pinctrl-0 = <&main_wlan_pins_default>;
pinctrl-names = "default";
interrupt-parent = <&main_gpio0>;
interrupts = <46 IRQ_TYPE_EDGE_FALLING>;
};
};
&sdhci1 {
/* SD/MMC */
vmmc-supply = <&vdd_mmc1>;