From: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
To: Tudor Ambarus <tudor.ambarus@microchip.com>,
Pratyush Yadav <pratyush@kernel.org>,
Michael Walle <michael@walle.cc>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
Rob Herring <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>
Cc: <devicetree@vger.kernel.org>, <linux-mtd@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <saikrishna12468@gmail.com>,
<git@amd.com>,
Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Subject: [PATCH 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property
Date: Mon, 29 Aug 2022 14:35:27 +0530 [thread overview]
Message-ID: <20220829090528.21613-2-sai.krishna.potthuri@amd.com> (raw)
In-Reply-To: <20220829090528.21613-1-sai.krishna.potthuri@amd.com>
SPI-NOR flashes have RESET pin which can be toggled using GPIO
controller, for those platforms reset-gpios property can be used to
reset the flash device.
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
---
Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
index 7149784a36ac..d2fc8e9c787f 100644
--- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
+++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
@@ -70,6 +70,12 @@ properties:
be used on such systems, to denote the absence of a reliable reset
mechanism.
+ reset-gpios:
+ description:
+ contains a GPIO specifier. The reset GPIO is asserted and then deasserted
+ to perform device reset. If "broken-flash-reset" is present then having
+ this property does not make any difference.
+
partitions:
type: object
--
2.17.1
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next prev parent reply other threads:[~2022-08-29 9:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 9:05 [PATCH 0/2] mtd: spi-nor: Add flash device reset support Sai Krishna Potthuri
2022-08-29 9:05 ` Sai Krishna Potthuri [this message]
2022-08-30 9:21 ` [PATCH 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property Krzysztof Kozlowski
2022-08-30 9:36 ` Michael Walle
2022-08-30 9:48 ` Krzysztof Kozlowski
2022-08-29 9:05 ` [PATCH 2/2] mtd: spi-nor: Add support for flash reset Sai Krishna Potthuri
2022-08-29 10:04 ` Michael Walle
2022-08-30 6:32 ` Potthuri, Sai Krishna
2022-08-30 7:09 ` Michael Walle
2022-08-30 10:22 ` Potthuri, Sai Krishna
2022-09-01 1:57 ` Takahiro Kuwano
2022-09-01 5:15 ` Potthuri, Sai Krishna
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