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60 lines
1.6 KiB
Diff
60 lines
1.6 KiB
Diff
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From ec89a34069e9d33dd8f809c02a12ffb619d67e1f Mon Sep 17 00:00:00 2001
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From: Li Jun <jun.li@nxp.com>
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Date: Wed, 12 Apr 2017 05:31:17 +0800
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Subject: [PATCH] MLK-14285-1 usb: phy: add usb mode for usb_phy
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USB phy driver may need to know the current working mode of
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the controller, and does some different settings according to
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host mode or device mode.
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Signed-off-by: Li Jun <jun.li@nxp.com>
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(cherry picked from commit 2286cb30feedd6f4a5cb82a0f0af5aa3a04ab698)
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Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
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Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>
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---
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include/linux/usb/phy.h | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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--- a/include/linux/usb/phy.h
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+++ b/include/linux/usb/phy.h
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@@ -63,6 +63,13 @@ enum usb_otg_state {
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OTG_STATE_A_VBUS_ERR,
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};
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+/* The usb role of phy to be working with */
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+enum usb_current_mode {
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+ CUR_USB_MODE_NONE,
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+ CUR_USB_MODE_HOST,
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+ CUR_USB_MODE_DEVICE,
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+};
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+
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struct usb_phy;
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struct usb_otg;
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@@ -161,6 +168,9 @@ struct usb_phy {
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int (*notify_resume)(struct usb_phy *x,
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enum usb_device_speed speed);
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+ int (*set_mode)(struct usb_phy *x,
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+ enum usb_current_mode mode);
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+
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};
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/* for board-specific init logic */
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@@ -219,6 +229,15 @@ usb_phy_vbus_off(struct usb_phy *x)
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return x->set_vbus(x, false);
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}
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+static inline int
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+usb_phy_set_mode(struct usb_phy *x, enum usb_current_mode mode)
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+{
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+ if (!x || !x->set_mode)
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+ return 0;
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+
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+ return x->set_mode(x, mode);
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+}
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+
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/* for usb host and peripheral controller drivers */
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#if IS_ENABLED(CONFIG_USB_PHY)
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extern struct usb_phy *usb_get_phy(enum usb_phy_type type);
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