Add support of AW-NH387 (mwifiex) WiFi/BT chip connected to MMC3.
Signed-off-by: Dmitry Lifshitz <lifsh...@compulab.co.il>
---
Changes from V1:
* Platform quirk for deasserting PDN and RST GPIOs of WiFi chip replaced by
appropriate regulators in DT.
arch/arm/boot/dts/omap5-cm-t54.dts | 53 +++++++++++++++++++++++++++++++++++-
1 files changed, 52 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts
b/arch/arm/boot/dts/omap5-cm-t54.dts
index 787c4aa..570130f 100644
--- a/arch/arm/boot/dts/omap5-cm-t54.dts
+++ b/arch/arm/boot/dts/omap5-cm-t54.dts
@@ -23,6 +23,28 @@
regulator-max-microvolt = <3300000>;
};
+ vwlan_pdn_fixed: fixed-regulator-vwlan-pdn {
+ compatible = "regulator-fixed";
+ regulator-name = "vwlan_pdn_fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&ldo2_reg>;
+ gpio = <&gpio4 13 GPIO_ACTIVE_HIGH>; /* gpio4_109 */
+ startup-delay-us = <1000>;
+ enable-active-high;
+ };
+
+ vwlan_fixed: fixed-regulator-vwlan {
+ compatible = "regulator-fixed";
+ regulator-name = "vwlan_fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vwlan_pdn_fixed>;
+ gpio = <&gpio4 14 GPIO_ACTIVE_HIGH>; /* gpio4_110 */
+ startup-delay-us = <1000>;
+ enable-active-high;
+ };
+
/* HS USB Host PHY on PORT 2 */
hsusb2_phy: hsusb2_phy {
compatible = "usb-nop-xceiv";
@@ -92,6 +114,24 @@
>;
};
+ mmc3_pins: pinmux_mmc3_pins {
+ pinctrl-single,pins = <
+ OMAP5_CORE_IOPAD(0x29a4, PIN_INPUT_PULLUP | MUX_MODE0)
/* wlsdio_clk */
+ OMAP5_CORE_IOPAD(0x29a6, PIN_INPUT_PULLUP | MUX_MODE0)
/* wlsdio_cmd */
+ OMAP5_CORE_IOPAD(0x29a8, PIN_INPUT_PULLUP | MUX_MODE0)
/* wlsdio_data0 */
+ OMAP5_CORE_IOPAD(0x29aa, PIN_INPUT_PULLUP | MUX_MODE0)
/* wlsdio_data1 */
+ OMAP5_CORE_IOPAD(0x29ac, PIN_INPUT_PULLUP | MUX_MODE0)
/* wlsdio_data2 */
+ OMAP5_CORE_IOPAD(0x29ae, PIN_INPUT_PULLUP | MUX_MODE0)
/* wlsdio_data3 */
+ >;
+ };
+
+ wlan_gpios_pins: pinmux_wlan_gpios_pins {
+ pinctrl-single,pins = <
+ OMAP5_CORE_IOPAD(0x299c, PIN_OUTPUT_PULLDOWN |
MUX_MODE6) /* gpio4_109 */
+ OMAP5_CORE_IOPAD(0x299e, PIN_OUTPUT_PULLDOWN |
MUX_MODE6) /* gpio4_110 */
+ >;
+ };
+
usbhost_pins: pinmux_usbhost_pins {
pinctrl-single,pins = <
OMAP5_CORE_IOPAD(0x28c4, PIN_INPUT | MUX_MODE0) /*
usbb2_hsic_strobe */
@@ -121,6 +161,17 @@
ti,non-removable;
};
+&mmc3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &mmc3_pins
+ &wlan_gpios_pins
+ >;
+ vmmc-supply = <&vwlan_fixed>;
+ bus-width = <4>;
+ ti,non-removable;
+};
+
&mmc4 {
status = "disabled";
};
@@ -255,7 +306,7 @@
regulator-name = "ldo2";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- regulator-boot-on;
+ startup-delay-us = <1000>;
};
ldo3_reg: ldo3 {
--
1.7.5.4
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