[PATCH 1/4] ARM: dts: omap4-panda: Add USB Host support

From: Roger Quadros
Date: Tue Jun 18 2013 - 07:12:13 EST


Provide the RESET and Power regulators for the USB PHY,
the USB Host port mode and the PHY device.

Also provide pin multiplexer information for the USB host
pins.

Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
arch/arm/boot/dts/omap4-panda-common.dtsi | 62 +++++++++++++++++++++++++++++
1 files changed, 62 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/omap4-panda-common.dtsi b/arch/arm/boot/dts/omap4-panda-common.dtsi
index 00cbaa5..7a21e8e 100644
--- a/arch/arm/boot/dts/omap4-panda-common.dtsi
+++ b/arch/arm/boot/dts/omap4-panda-common.dtsi
@@ -59,6 +59,42 @@
"AFML", "Line In",
"AFMR", "Line In";
};
+
+ /* HS USB Port 1 RESET */
+ hsusb1_reset: hsusb1_reset_reg {
+ compatible = "regulator-fixed";
+ regulator-name = "hsusb1_reset";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio2 30 0>; /* gpio_62 */
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
+
+ /* HS USB Port 1 Power */
+ hsusb1_power: hsusb1_power_reg {
+ compatible = "regulator-fixed";
+ regulator-name = "hsusb1_vbus";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio1 1 0>; /* gpio_1 */
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
+
+ /* HS USB Host PHY on PORT 1 */
+ hsusb1_phy: hsusb1_phy {
+ compatible = "usb-nop-xceiv";
+ reset-supply = <&hsusb1_reset>;
+ vcc-supply = <&hsusb1_power>;
+ /**
+ * FIXME:
+ * put the right clock phandle here when available
+ * clocks = <&auxclk3>;
+ * clock-names = "main_clk";
+ */
+ clock-frequency = <19200000>;
+ };
};

&omap4_pmx_wkup {
@@ -83,6 +119,7 @@
&mcbsp1_pins
&dss_hdmi_pins
&tpd12s015_pins
+ &hsusbb1_pins
>;

twl6030_pins: pinmux_twl6030_pins {
@@ -133,6 +170,23 @@
>;
};

+ hsusbb1_pins: pinmux_hsusbb1_pins {
+ pinctrl-single,pins = <
+ 0x82 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_clk.usbb1_ulpiphy_clk */
+ 0x84 (PIN_OUTPUT | MUX_MODE4) /* usbb1_ulpitll_stp.usbb1_ulpiphy_stp */
+ 0x86 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dir.usbb1_ulpiphy_dir */
+ 0x88 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_nxt.usbb1_ulpiphy_nxt */
+ 0x8a (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat0.usbb1_ulpiphy_dat0 */
+ 0x8c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat1.usbb1_ulpiphy_dat1 */
+ 0x8e (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat2.usbb1_ulpiphy_dat2 */
+ 0x90 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat3.usbb1_ulpiphy_dat3 */
+ 0x92 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat4.usbb1_ulpiphy_dat4 */
+ 0x94 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat5.usbb1_ulpiphy_dat5 */
+ 0x96 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat6.usbb1_ulpiphy_dat6 */
+ 0x98 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* usbb1_ulpitll_dat7.usbb1_ulpiphy_dat7 */
+ >;
+ };
+
i2c1_pins: pinmux_i2c1_pins {
pinctrl-single,pins = <
0xe2 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl */
@@ -283,3 +337,11 @@
mode = <3>;
power = <50>;
};
+
+&usbhshost {
+ port1-mode = "ehci-phy";
+};
+
+&usbhsehci {
+ phys = <&hsusb1_phy>;
+};
--
1.7.4.1

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