linux-kernel - [PATCH 1/2] dt-bindings: regulator: extend tps65218 bindings

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Date:   Tue, 18 Dec 2018 09:05:55 +0100
From:   Christian Hohnstaedt <Christian.Hohnstaedt@...o.com>
To:     Lee Jones <lee.jones@...aro.org>
CC:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        "Tony Lindgren" <tony@...mide.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-omap@...r.kernel.org>
Subject: [PATCH 1/2] dt-bindings: regulator: extend tps65218 bindings

Add input voltage configuration options

Signed-off-by: Christian Hohnstaedt <Christian.Hohnstaedt@...o.com>
---
 Documentation/devicetree/bindings/regulator/tps65218.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/tps65218.txt b/Documentation/devicetree/bindings/regulator/tps65218.txt
index 02f0e9b..a9ee377 100644
--- a/Documentation/devicetree/bindings/regulator/tps65218.txt
+++ b/Documentation/devicetree/bindings/regulator/tps65218.txt
@@ -16,12 +16,22 @@ Required properties:
   regulator-dcdc5, regulator-dcdc6, regulator-ldo1, regulator-ls3.
   Each regulator is defined using the standard binding for regulators.
 
+Optional properties:
+  If any of these properties is absent, the setting will not be touched.
+- strict-supply-voltage: <1|0> Set/Reset STRICT flag in CONFIG1
+- under-voltage-limit: Select 2.75, 2.95, 3.25 or 3.35V as UVLO in CONFIG1
+- under-voltage-hysteresis: Select 200mV or 400mV UVLOHYS in CONFIG2
+
 Example:
 tps65218: tps65218@24 {
 	reg = <0x24>;
 	compatible = "ti,tps65218";
 	interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* NMIn */
 	interrupt-controller;
+	strict-supply-voltage = <1>;
+	under-voltage-hysteresis = <400000>;
+	under-voltage-limit = <3350000>;
+
 	#interrupt-cells = <2>;
 
 	dcdc1: regulator-dcdc1 {
-- 
2.7.4