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@xxxxxxx>
---
arch/arm/boot/dts/omap3-overo-storm-tobi.dts | 8 ++++
arch/arm/boot/dts/omap3-overo-tobi.dts | 8 ++++
arch/arm/boot/dts/omap3-overo.dtsi | 58 ++++++++++++++++++++++++++++
3 files changed, 74 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-overo-storm-tobi.dts b/arch/arm/boot/dts/omap3-overo-storm-tobi.dts
index 966b5c9..2033b52 100644
--- a/arch/arm/boot/dts/omap3-overo-storm-tobi.dts
+++ b/arch/arm/boot/dts/omap3-overo-storm-tobi.dts
@@ -20,3 +20,11 @@
compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap36xx", "ti,omap3";
};
+&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 */
+ >;
+ };
+};
+
diff --git a/arch/arm/boot/dts/omap3-overo-tobi.dts b/arch/arm/boot/dts/omap3-overo-tobi.dts
index de5653e..21de31d 100644
--- a/arch/arm/boot/dts/omap3-overo-tobi.dts
+++ b/arch/arm/boot/dts/omap3-overo-tobi.dts
@@ -20,3 +20,11 @@
compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap3430", "ti,omap3";
};
+&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 */
+ >;
+ };
+};
+
diff --git a/arch/arm/boot/dts/omap3-overo.dtsi b/arch/arm/boot/dts/omap3-overo.dtsi
index aea64c0..07467cc 100644
--- a/arch/arm/boot/dts/omap3-overo.dtsi
+++ b/arch/arm/boot/dts/omap3-overo.dtsi
@@ -29,6 +29,38 @@
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 {
@@ -56,6 +88,25 @@
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 +145,14 @@
/* 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 {
--
1.8.3.2
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