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Message-Id: <20190628150245.23785-1-dinguyen@kernel.org>
Date: Fri, 28 Jun 2019 10:02:45 -0500
From: Dinh Nguyen <dinguyen@...nel.org>
To: robh+dt@...nel.org, mark.rutland@....com
Cc: dinguyen@...nel.org, devicetree@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
Tudor.Ambarus@...rochip.com
Subject: [PATCHv6 RESEND] 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@...nel.org>
---
v6: no change
v5: document reset-names
v4: no change
v3: created base on review comments
v2: did not exist
v1: did not exist
---
Documentation/devicetree/bindings/mtd/cadence-quadspi.txt | 5 +++++
1 file changed, 5 insertions(+)
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 {
...
--
2.20.0
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