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ARM: dts: omap3-overo: Enable WiFi/BT combo

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MMC2 is used by the on-board WiFi module populated on some boards
(based on Marvell Libertas 8688 SDIO). The Bluetooth is connected
to UART2.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Florian Vaussard 2014-03-07 20:22:14 +01:00 committed by Tony Lindgren
parent fc1772262a
commit 94647a3012
3 changed files with 88 additions and 0 deletions
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72
arch/arm/boot/dts/omap3-overo-base.dtsi
View File

@ -29,9 +29,50 @@ sound {
ti,mcbsp = <&mcbsp2>;
ti,codec = <&twl_audio>;
};
/* Regulator to trigger the nPoweron signal of the Wifi module */
w3cbw003c_npoweron: regulator-w3cbw003c-npoweron {
compatible = "regulator-fixed";
regulator-name = "regulator-w3cbw003c-npoweron";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* gpio_54: nPoweron */
enable-active-high;
};
/* Regulator to trigger the nReset signal of the Wifi module */
w3cbw003c_wifi_nreset: regulator-w3cbw003c-wifi-nreset {
pinctrl-names = "default";
pinctrl-0 = <&w3cbw003c_pins &w3cbw003c_2_pins>;
compatible = "regulator-fixed";
regulator-name = "regulator-w3cbw003c-wifi-nreset";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio1 16 GPIO_ACTIVE_HIGH>; /* gpio_16: WiFi nReset */
startup-delay-us = <10000>;
};
/* Regulator to trigger the nReset signal of the Bluetooth module */
w3cbw003c_bt_nreset: regulator-w3cbw003c-bt-nreset {
compatible = "regulator-fixed";
regulator-name = "regulator-w3cbw003c-bt-nreset";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* gpio_164: BT nReset */
startup-delay-us = <10000>;
};
};
&omap3_pmx_core {
uart2_pins: pinmux_uart2_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x216c, PIN_INPUT | MUX_MODE1) /* mcbsp3_dx.uart2_cts */
OMAP3_CORE1_IOPAD(0x216e, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_dr.uart2_rts */
OMAP3_CORE1_IOPAD(0x2170, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_clk.uart2_tx */
OMAP3_CORE1_IOPAD(0x2172, PIN_INPUT | MUX_MODE1) /* mcbsp3_fsx.uart2_rx */
>;
};
uart3_pins: pinmux_uart3_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x219e, PIN_INPUT | PIN_OFF_WAKEUPENABLE | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */
@ -56,6 +97,25 @@ OMAP3_CORE1_IOPAD(0x214c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat2.sdmmc1_d
OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat3.sdmmc1_dat3 */
>;
};
mmc2_pins: pinmux_mmc2_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk.sdmmc2_clk */
OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd.sdmmc2_cmd */
OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0.sdmmc2_dat0 */
OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */
OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2.sdmmc2_dat2 */
OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3.sdmmc2_dat3 */
>;
};
/* WiFi/BT combo */
w3cbw003c_pins: pinmux_w3cbw003c_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20b4, PIN_OUTPUT | MUX_MODE4) /* gpmc_ncs3.gpio_54 */
OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE4) /* uart3_rts_sd.gpio_164 */
>;
};
};
&i2c1 {
@ -94,7 +154,14 @@ &mmc1 {
/* optional on board WiFi */
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
vmmc-supply = <&w3cbw003c_npoweron>;
vqmmc-supply = <&w3cbw003c_bt_nreset>;
vmmc_aux-supply = <&w3cbw003c_wifi_nreset>;
bus-width = <4>;
cap-sdio-irq;
non-removable;
};
&twl_gpio {
@ -110,6 +177,11 @@ &usb_otg_hs {
power = <50>;
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins>;
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins>;

8
arch/arm/boot/dts/omap3-overo-storm.dtsi
View File

@ -9,3 +9,11 @@
#include "omap36xx.dtsi"
#include "omap3-overo-base.dtsi"
&omap3_pmx_core2 {
w3cbw003c_2_pins: pinmux_w3cbw003c_2_pins {
pinctrl-single,pins = <
OMAP3630_CORE2_IOPAD(0x25e0, PIN_OUTPUT | MUX_MODE4) /* etk_d2.gpio_16 */
>;
};
};

8
arch/arm/boot/dts/omap3-overo.dtsi
View File

@ -9,3 +9,11 @@
#include "omap34xx.dtsi"
#include "omap3-overo-base.dtsi"
&omap3_pmx_core2 {
w3cbw003c_2_pins: pinmux_w3cbw003c_2_pins {
pinctrl-single,pins = <
OMAP3430_CORE2_IOPAD(0x25e0, PIN_OUTPUT | MUX_MODE4) /* etk_d2.gpio_16 */
>;
};
};