linux-kernel - [PATCH v7 6/9] dt-bindings: regulator: bd9576 add FET ON-resistance for OCW

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Message-ID: <5213499b034d3b84c0144665287be0a926d089e8.1618377272.git.matti.vaittinen@fi.rohmeurope.com>
Date:   Wed, 14 Apr 2021 08:59:07 +0300
From:   Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To:     Matti Vaittinen <mazziesaccount@...il.com>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc:     Mark Brown <broonie@...nel.org>, Kees Cook <keescook@...omium.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Guenter Roeck <linux@...ck-us.net>,
        "agross@...nel.org" <agross@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        linux-power <linux-power@...rohmeurope.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
Subject: [PATCH v7 6/9] dt-bindings: regulator: bd9576 add FET ON-resistance
 for OCW

BD9576MUF provides over-current protection and detection. Current is
measured as voltage loss over external FET. Allow specifying FET's on
resistance so current monitoring limits can be converted to voltages.

Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
v5 onwards:
  - No changes
v4:
  - Fixed the description indentiation
---
 .../bindings/regulator/rohm,bd9576-regulator.yaml           | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml
index b6515a0cee62..7cb74cc8c5d9 100644
--- a/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml
@@ -27,6 +27,12 @@ patternProperties:
       Properties for single regulator.
     $ref: "regulator.yaml#"
 
+    properties:
+      rohm,ocw-fet-ron-micro-ohms:
+        description: |
+          External FET's ON-resistance. Required if VoutS1 OCP/OCW is
+          to be set.
+
     required:
       - regulator-name
 
-- 
2.25.4


-- 
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]