[PATCH v6 1/4] power: supply: core: add quick charge type property

[Qiwu Huang]

From: Qiwu Huang <huangq...@xiaomi.com>

Reports the kind of quick charge type based on
different adapter power.

Signed-off-by: Qiwu Huang <huangq...@xiaomi.com>
---
 Documentation/ABI/testing/sysfs-class-power | 21 +++++++++++++++++++++
 drivers/power/supply/power_supply_sysfs.c   |  1 +
 include/linux/power_supply.h                | 10 ++++++++++
 3 files changed, 32 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-class-power 
b/Documentation/ABI/testing/sysfs-class-power
index 216d61a22f1e..dd3773dcf16a 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -708,3 +708,24 @@ Description:
 
                Access: Read
                Valid values: 1-31
+
+What:          /sys/class/power_supply/<supply_name>/quick_charge_type
+Date:          Jul 2020
+Contact:       Fei Jiang <jiangf...@xiaomi.com>
+               Description:
+               Reports the kind of quick charge type based on different 
adapter power.
+               Different quick charge type represent different charging power.
+               QUICK_CHARGE_NORMAL : Charging Power <= 10W
+               QUICK_CHARGE_FAST : 10W < Charging Power <= 20W
+               QUICK_CHARGE_FLASH : 20W < Charging Power <= 30W
+               QUICK_CHARGE_TURBE : 30W < Charging Power <= 50W
+               QUICK_CHARGE_SUPER : Charging Power > 50W
+
+               Access: Read-Only
+               Valid values:
+                       0: QUICK_CHARGE_NORMAL,
+                       1: QUICK_CHARGE_FAST,
+                       2: QUICK_CHARGE_FLASH,
+                       3: QUICK_CHARGE_TURBE,
+                       4: QUICK_CHARGE_SUPER.
+
diff --git a/drivers/power/supply/power_supply_sysfs.c 
b/drivers/power/supply/power_supply_sysfs.c
index bc79560229b5..9554d7907373 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -206,6 +206,7 @@ static struct power_supply_attr power_supply_attrs[] = {
        POWER_SUPPLY_ATTR(MODEL_NAME),
        POWER_SUPPLY_ATTR(MANUFACTURER),
        POWER_SUPPLY_ATTR(SERIAL_NUMBER),
+       POWER_SUPPLY_ATTR(QUICK_CHARGE_TYPE),
 };
 
 static struct attribute *
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index ac1345a48ad0..f35c661a2544 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -167,6 +167,7 @@ enum power_supply_property {
        POWER_SUPPLY_PROP_MODEL_NAME,
        POWER_SUPPLY_PROP_MANUFACTURER,
        POWER_SUPPLY_PROP_SERIAL_NUMBER,
+       POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE,
 };
 
 enum power_supply_type {
@@ -197,6 +198,15 @@ enum power_supply_usb_type {
        POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID,   /* Apple Charging Method */
 };
 
+enum power_supply_quick_charge_type {
+       QUICK_CHARGE_NORMAL = 0,                /* Charging Power <= 10W */
+       QUICK_CHARGE_FAST,                      /* 10W < Charging Power <= 20W 
*/
+       QUICK_CHARGE_FLASH,                     /* 20W < Charging Power <= 30W 
*/
+       QUICK_CHARGE_TURBE,                     /* 30W < Charging Power <= 50W 
*/
+       QUICK_CHARGE_SUPER,                     /* Charging Power > 50W */
+       QUICK_CHARGE_MAX,
+};
+
 enum power_supply_notifier_events {
        PSY_EVENT_PROP_CHANGED,
 };
-- 
2.27.0