linux-kernel - [PATCH v4 1/3] include: uapi: usb: Introduce USB charger type and state definition

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Date:   Thu, 27 Jul 2017 13:14:36 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     balbi@...nel.org, gregkh@...uxfoundation.org, sre@...nel.org,
        lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com
Cc:     jun.li@....com, peter.chen@...escale.com, broonie@...nel.org,
        john.stultz@...aro.org, neilb@...e.com,
        patches@...nsource.wolfsonmicro.com, baolin.wang@...aro.org,
        linux-pm@...r.kernel.org, linux-usb@...r.kernel.org,
        device-mainlining@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v4 1/3] include: uapi: usb: Introduce USB charger type and state definition

Introducing USB charger type and state definition can help
to support USB charging which will be added in USB phy core.

Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
 include/uapi/linux/usb/charger.h |   31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 include/uapi/linux/usb/charger.h

diff --git a/include/uapi/linux/usb/charger.h b/include/uapi/linux/usb/charger.h
new file mode 100644
index 0000000..5f72af3
--- /dev/null
+++ b/include/uapi/linux/usb/charger.h
@@ -0,0 +1,31 @@
+/*
+ * This file defines the USB charger type and state that are needed for
+ * USB device APIs.
+ */
+
+#ifndef _UAPI__LINUX_USB_CHARGER_H
+#define _UAPI__LINUX_USB_CHARGER_H
+
+/*
+ * USB charger type:
+ * SDP (Standard Downstream Port)
+ * DCP (Dedicated Charging Port)
+ * CDP (Charging Downstream Port)
+ * ACA (Accessory Charger Adapters)
+ */
+enum usb_charger_type {
+	UNKNOWN_TYPE,
+	SDP_TYPE,
+	DCP_TYPE,
+	CDP_TYPE,
+	ACA_TYPE,
+};
+
+/* USB charger state */
+enum usb_charger_state {
+	USB_CHARGER_DEFAULT,
+	USB_CHARGER_PRESENT,
+	USB_CHARGER_ABSENT,
+};
+
+#endif /* _UAPI__LINUX_USB_CHARGER_H */
-- 
1.7.9.5