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authorMartin Schiller2019-03-08 08:49:30 +0100
committerSebastian Reichel2019-04-05 15:06:57 +0200
commit077d9951f7c9ef5845fdcf4363d3a4630d142e4f (patch)
treea666b171136300537e7ccdc31af9d292d7322aa0 /Documentation/devicetree/bindings/power
parent9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff)
power: reset: syscon-reboot: add a mask property
Make the syscon-reboot driver accept value and mask instead of just value. Prior to this patch, the property name for the value was 'mask'. If only the mask property is defined on a node, maintain compatibility by using it as the value. This patch is based on commit f2c199db477e ("power: reset: syscon-poweroff: add a mask property") and does the same change for the syscon-reboot driver. Signed-off-by: Martin Schiller <ms@dev.tdt.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'Documentation/devicetree/bindings/power')
-rw-r--r--Documentation/devicetree/bindings/power/reset/syscon-reboot.txt11
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt b/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt
index 11906316b43d..e23dea8344f8 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt
@@ -3,13 +3,20 @@ Generic SYSCON mapped register reset driver
This is a generic reset driver using syscon to map the reset register.
The reset is generally performed with a write to the reset register
defined by the register map pointed by syscon reference plus the offset
-with the mask defined in the reboot node.
+with the value and mask defined in the reboot node.
Required properties:
- compatible: should contain "syscon-reboot"
- regmap: this is phandle to the register map node
- offset: offset in the register map for the reboot register (in bytes)
-- mask: the reset value written to the reboot register (32 bit access)
+- value: the reset value written to the reboot register (32 bit access)
+
+Optional properties:
+- mask: update only the register bits defined by the mask (32 bit)
+
+Legacy usage:
+If a node doesn't contain a value property but contains a mask property, the
+mask property is used as the value.
Default will be little endian mode, 32 bit access only.