[PATCH 1/4] extcon: Add USB VBUS properties
From: Angus Ainslie <hidden>
Date: 2020-09-14 16:57:55
Also in:
lkml
Subsystem:
external connector subsystem (extcon), the rest · Maintainers:
MyungJoo Ham, Chanwoo Choi, Linus Torvalds
USB type C, USB BC1.2 and USB power delivery allow different voltages and currents for VBUS so we need these additional properties. Also USB type C allows separate device and power roles so add a VBUS SRC property. Signed-off-by: Angus Ainslie <redacted> --- include/linux/extcon.h | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index fd183fb9c20f..c4d48f4f74c4 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h@@ -117,14 +117,29 @@ * @type: integer (intval) * @value: 0 (USB/USB2) or 1 (USB3) * @default: 0 (USB/USB2) + * - EXTCON_PROP_USB_VBUS_SRC + * @type: integer (intval) + * @value: 0 (sink) or 1 (source) + * @default: 0 (sink) + * - EXTCON_PROP_USB_VBUS_VOLTAGE + * @type: integer (intval) + * @value: negotiated vbus voltage in mV + * @default: 5000 + * - EXTCON_PROP_USB_VBUS_CURRENT + * @type: integer (intval) + * @value: negotiated vbus current in mA + * @default: 100 * */ #define EXTCON_PROP_USB_VBUS 0 #define EXTCON_PROP_USB_TYPEC_POLARITY 1 #define EXTCON_PROP_USB_SS 2 +#define EXTCON_PROP_USB_VBUS_SRC 3 +#define EXTCON_PROP_USB_VBUS_VOLTAGE 4 +#define EXTCON_PROP_USB_VBUS_CURRENT 5 #define EXTCON_PROP_USB_MIN 0 -#define EXTCON_PROP_USB_MAX 2 +#define EXTCON_PROP_USB_MAX 5 #define EXTCON_PROP_USB_CNT (EXTCON_PROP_USB_MAX - EXTCON_PROP_USB_MIN + 1) /* Properties of EXTCON_TYPE_CHG. */
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2.25.1