diff options
| author | Guy Shapiro <guy.shapiro@mobi-wize.com> | 2017-02-07 17:56:05 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2017-04-14 01:41:33 +0200 |
| commit | f2c199db477efd8233e75b2d69bac8be8640308d (patch) | |
| tree | 3b00924b3b8fb1380513f603a948454ceff31112 /Documentation | |
| parent | f385e6e2a153233033aa348766bac21125651d05 (diff) | |
| download | linux-f2c199db477efd8233e75b2d69bac8be8640308d.tar.bz2 | |
power: reset: syscon-poweroff: add a mask property
Make the syscon-poweroff 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.
Signed-off-by: Guy Shapiro <guy.shapiro@mobi-wize.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt b/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt index 1e2546f8b08a..022ed1f3bc80 100644 --- a/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt +++ b/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt @@ -3,13 +3,20 @@ Generic SYSCON mapped register poweroff driver This is a generic poweroff driver using syscon to map the poweroff register. The poweroff is generally performed with a write to the poweroff register defined by the register map pointed by syscon reference plus the offset -with the mask defined in the poweroff node. +with the value and mask defined in the poweroff node. Required properties: - compatible: should contain "syscon-poweroff" - regmap: this is phandle to the register map node - offset: offset in the register map for the poweroff register (in bytes) -- mask: the poweroff value written to the poweroff register (32 bit access) +- value: the poweroff value written to the poweroff 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. |