From: Dinh Nguyen <dinguyen@kernel.org>
To: linux-mtd@lists.infradead.org
Cc: marex@denx.de, bbrezillon@kernel.org,
tudor.ambarus@microchip.com, linux-kernel@vger.kernel.org,
dinguyen@kernel.org, computersforpeace@gmail.com,
dwmw2@infradead.org
Subject: [PATCHv5 1/2] dt-bindings: cadence-quadspi: add optional reset property
Date: Wed, 12 Jun 2019 09:37:43 -0500 [thread overview]
Message-ID: <20190612143744.30718-1-dinguyen@kernel.org> (raw)
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>
---
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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next reply other threads:[~2019-06-12 14:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-12 14:37 Dinh Nguyen [this message]
2019-06-12 14:37 ` [PATCHv5 2/2] mtd: spi-nor: cadence-quadspi: add reset control Dinh Nguyen
2019-06-12 15:07 ` Tudor.Ambarus
2019-06-12 21:12 ` Dinh Nguyen
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