linux-kernel - [PATCH v2 08/25] dt-bindings: power: supply: add AXP20X/AXP22X AC power supply

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Message-Id: <20170127085458.18270-9-quentin.schulz@free-electrons.com>
Date:   Fri, 27 Jan 2017 09:54:41 +0100
From:   Quentin Schulz <quentin.schulz@...e-electrons.com>
To:     knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        robh+dt@...nel.org, mark.rutland@....com, wens@...e.org,
        sre@...nel.org, linux@...linux.org.uk,
        maxime.ripard@...e-electrons.com, lee.jones@...aro.org
Cc:     Quentin Schulz <quentin.schulz@...e-electrons.com>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        thomas.petazzoni@...e-electrons.com, icenowy@...c.xyz,
        bonbons@...ux-vserver.org
Subject: [PATCH v2 08/25] dt-bindings: power: supply: add AXP20X/AXP22X AC power supply

The X-Powers AXP20X and AXP22X PMICs have an AC entry to supply power to
the board. They have a few registers dedicated to the status of the AC
power supply.

This adds the DT binding documentation for the AC power supply for
AXP20X and AXP22X PMICs.

Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
---

v2:
 - removed #io-channels property,

 .../bindings/power/supply/axp20x_ac_power.txt      | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt

diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt b/Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt
new file mode 100644
index 0000000..826e8a8
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt
@@ -0,0 +1,22 @@
+AXP20X and AXP22X PMICs' AC power supply
+
+Required Properties:
+ - compatible: One of:
+			"x-powers,axp202-ac-power-supply"
+			"x-powers,axp221-ac-power-supply"
+
+This node is a subnode of the axp20x PMIC.
+
+The AXP20X can read the current current and voltage supplied by AC by
+reading ADC channels from the AXP20X ADC.
+
+The AXP22X is only able to tell if an AC power supply is present and
+usable.
+
+Example:
+
+&axp209 {
+	ac_power_supply: ac-power-supply {
+		compatible = "x-powers,axp202-ac-power-supply";
+	};
+};
-- 
2.9.3