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authorDinh Nguyen <dinguyen@kernel.org>2019-06-13 14:31:37 +0300
committerTudor Ambarus <tudor.ambarus@microchip.com>2019-06-27 17:17:13 +0300
commit63d3cd297bc045536e4c3eaddc2cf6aa4a8cf0df (patch)
tree7d7f4d633faa757b8f59c8f598a0a5cae98f8354 /Documentation/devicetree/bindings/mtd
parentcf580a92400584a48f59e07c372a635160340864 (diff)
downloadlinux-63d3cd297bc045536e4c3eaddc2cf6aa4a8cf0df.tar.xz
dt-bindings: cadence-quadspi: add options reset property
The QSPI module can have an optional reset signals that will hold the module in a reset state. Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')
-rw-r--r--Documentation/devicetree/bindings/mtd/cadence-quadspi.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
index 4345c3a6f530..945be7d5b236 100644
--- a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
@@ -35,6 +35,9 @@ custom properties:
(qspi_n_ss_out).
- cdns,tslch-ns : Delay in nanoseconds between setting qspi_n_ss_out low
and first bit transfer.
+- resets : Must contain an entry for each entry in reset-names.
+ See ../reset/reset.txt for details.
+- reset-names : Must include either "qspi" and/or "qspi-ocp".
Example:
@@ -50,6 +53,8 @@ Example:
cdns,fifo-depth = <128>;
cdns,fifo-width = <4>;
cdns,trigger-address = <0x00000000>;
+ resets = <&rst QSPI_RESET>, <&rst QSPI_OCP_RESET>;
+ reset-names = "qspi", "qspi-ocp";
flash0: n25q00@0 {
...