linux-kernel - [PATCH v6 1/6] dt-bindings: pinctrl: add a 'drive-strength-microamp' property

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Message-Id: <20190514082652.20686-2-glaroque@baylibre.com>
Date:   Tue, 14 May 2019 10:26:47 +0200
From:   Guillaume La Roque <glaroque@...libre.com>
To:     linus.walleij@...aro.org, khilman@...libre.com
Cc:     jbrunet@...libre.com, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v6 1/6] dt-bindings: pinctrl: add a 'drive-strength-microamp' property

This property allow drive-strength parameter in uA instead of mA.

Signed-off-by: Guillaume La Roque <glaroque@...libre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
index cef2b5855d60..fcd37e93ed4d 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
@@ -258,6 +258,7 @@ drive-push-pull		- drive actively high and low
 drive-open-drain	- drive with open drain
 drive-open-source	- drive with open source
 drive-strength		- sink or source at most X mA
+drive-strength-microamp	- sink or source at most X uA
 input-enable		- enable input on pin (no effect on output, such as
 			  enabling an input buffer)
 input-disable		- disable input on pin (no effect on output, such as
@@ -326,6 +327,8 @@ arguments are described below.
 
 - drive-strength takes as argument the target strength in mA.
 
+- drive-strength-microamp takes as argument the target strength in uA.
+
 - input-debounce takes the debounce time in usec as argument
   or 0 to disable debouncing
 
-- 
2.17.1