linux-kernel - [PATCH v2 4/5] dt-bindings: mfd: da9062: add regulator gpio enable/disable documentation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20191127135932.7223-5-m.felsch@pengutronix.de>
Date:   Wed, 27 Nov 2019 14:59:31 +0100
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     bgolaszewski@...libre.com, linus.walleij@...aro.org,
        support.opensource@...semi.com, lee.jones@...aro.org,
        robh+dt@...nel.org, lgirdwood@...il.com, broonie@...nel.org,
        stwiss.opensource@...semi.com, Adam.Thomson.Opensource@...semi.com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de
Subject: [PATCH v2 4/5] dt-bindings: mfd: da9062: add regulator gpio enable/disable documentation

At the gpio-based regulator enable/disable documentation. This property
can be applied to each subnode within the 'regulators' node so each
regulator can be configured differently.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 Documentation/devicetree/bindings/mfd/da9062.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt
index 7e780fa6f57d..417e836e273a 100644
--- a/Documentation/devicetree/bindings/mfd/da9062.txt
+++ b/Documentation/devicetree/bindings/mfd/da9062.txt
@@ -75,6 +75,13 @@ Sub-nodes:
     same. Also the gpio phandle must refer to the mfd root node other gpios are
     not allowed and make no sense.
 
+  - dlg,ena-sense-gpios : The GPIO reference which should be used by the
+    regulator to enable/disable the output. If the signal is active the
+    regulator is on else it is off. Attention: Sharing the same gpio for other
+    purposes or across multiple regulators is possible but the gpio settings
+    must be the same. Also the gpio phandle must refer to the mfd root node
+    other gpios are not allowed and make no sense.
+
 - rtc : This node defines settings required for the Real-Time Clock associated
   with the DA9062. There are currently no entries in this binding, however
   compatible = "dlg,da9062-rtc" should be added if a node is created.
@@ -112,6 +119,7 @@ Example:
 				regulator-min-microvolt = <900000>;
 				regulator-max-microvolt = <3600000>;
 				regulator-boot-on;
+				dlg,ena-sense-gpios = <&pmic0 2 GPIO_ACTIVE_LOW>;
 			};
 		};
 	};
-- 
2.20.1