usb: phy: omap: Add omap-control Support for AM437x
This adds omap control module support for USBSS in AM437x SoC. Update DT binding information to reflect these changes. Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: George Cherian <george.cherian@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -87,6 +87,8 @@ Required properties:
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e.g. USB3 PHY and SATA PHY on OMAP5.
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"ti,control-phy-dra7usb2" - if it has power down register like USB2 PHY on
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DRA7 platform.
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"ti,control-phy-am437usb2" - if it has power down register like USB2 PHY on
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AM437 platform.
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- reg : Address and length of the register set for the device. It contains
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the address of "otghs_control" for control-phy-otghs or "power" register
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for other types.
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@ -84,6 +84,20 @@ void omap_control_usb_phy_power(struct device *dev, int on)
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else
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val |= OMAP_CTRL_USB2_PHY_PD;
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break;
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case OMAP_CTRL_TYPE_AM437USB2:
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if (on) {
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val &= ~(AM437X_CTRL_USB2_PHY_PD |
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AM437X_CTRL_USB2_OTG_PD);
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val |= (AM437X_CTRL_USB2_OTGVDET_EN |
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AM437X_CTRL_USB2_OTGSESSEND_EN);
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} else {
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val &= ~(AM437X_CTRL_USB2_OTGVDET_EN |
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AM437X_CTRL_USB2_OTGSESSEND_EN);
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val |= (AM437X_CTRL_USB2_PHY_PD |
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AM437X_CTRL_USB2_OTG_PD);
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}
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break;
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default:
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dev_err(dev, "%s: type %d not recognized\n",
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__func__, control_usb->type);
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@ -197,6 +211,7 @@ static const enum omap_control_usb_type otghs_data = OMAP_CTRL_TYPE_OTGHS;
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static const enum omap_control_usb_type usb2_data = OMAP_CTRL_TYPE_USB2;
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static const enum omap_control_usb_type pipe3_data = OMAP_CTRL_TYPE_PIPE3;
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static const enum omap_control_usb_type dra7usb2_data = OMAP_CTRL_TYPE_DRA7USB2;
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static const enum omap_control_usb_type am437usb2_data = OMAP_CTRL_TYPE_AM437USB2;
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static const struct of_device_id omap_control_usb_id_table[] = {
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{
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@ -215,6 +230,10 @@ static const struct of_device_id omap_control_usb_id_table[] = {
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.compatible = "ti,control-phy-dra7usb2",
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.data = &dra7usb2_data,
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},
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{
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.compatible = "ti,control-phy-am437usb2",
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.data = &am437usb2_data,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, omap_control_usb_id_table);
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@ -24,6 +24,7 @@ enum omap_control_usb_type {
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OMAP_CTRL_TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
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OMAP_CTRL_TYPE_PIPE3, /* PIPE3 PHY, DPLL & seperate Rx/Tx power */
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OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
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OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
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};
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struct omap_control_usb {
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@ -64,6 +65,11 @@ enum omap_control_usb_mode {
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#define OMAP_CTRL_USB2_PHY_PD BIT(28)
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#define AM437X_CTRL_USB2_PHY_PD BIT(0)
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#define AM437X_CTRL_USB2_OTG_PD BIT(1)
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#define AM437X_CTRL_USB2_OTGVDET_EN BIT(19)
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#define AM437X_CTRL_USB2_OTGSESSEND_EN BIT(20)
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#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
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extern void omap_control_usb_phy_power(struct device *dev, int on);
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extern void omap_control_usb_set_mode(struct device *dev,
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