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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 v2 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property
Date: Thu, 1 Sep 2022 12:59:13 +0530	[thread overview]
Message-ID: <20220901072914.30205-2-sai.krishna.potthuri@amd.com> (raw)
In-Reply-To: <20220901072914.30205-1-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..4e98f78be750 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:
+      A GPIO line connected to the RESET (active low) signal of the device.
+      If "broken-flash-reset" is present then having this property does not
+      make any difference.
+
   partitions:
     type: object
 
-- 
2.17.1


  reply	other threads:[~2022-09-01  7:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-01  7:29 [PATCH v2 0/2] mtd: spi-nor: Add flash device reset support Sai Krishna Potthuri
2022-09-01  7:29 ` Sai Krishna Potthuri [this message]
2022-09-01  7:56   ` [PATCH v2 1/2] dt-bindings: mtd: spi-nor: Add reset-gpios property Krzysztof Kozlowski
2022-09-01 10:18     ` Potthuri, Sai Krishna
2022-09-01 10:28       ` Krzysztof Kozlowski
2022-09-07  9:49         ` Potthuri, Sai Krishna
2022-09-07 10:24           ` Krzysztof Kozlowski
2022-09-01  7:29 ` [PATCH v2 2/2] mtd: spi-nor: Add support for flash reset Sai Krishna Potthuri
2022-09-01  7:39   ` Michael Walle

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