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The power supply maybe software controlable per board design. Acked-by: Rob Herring (Arm) Signed-off-by: Peng Fan --- Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml index 6e3afb42926ea6d22f0dd2ebf39752e115502615..335f8204aa1ebce3d2b4686b2a06d0ea3791667c 100644 --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml @@ -96,6 +96,10 @@ properties: If "broken-flash-reset" is present then having this property does not make any difference. + vcc-supply: + description: + Supply for the SPI NOR power. + spi-cpol: true spi-cpha: true From patchwork Sun Oct 27 12:16:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 13852507 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (mail-vi1eur02on2056.outbound.protection.outlook.com [40.107.241.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D45351547CC for ; 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The power supply maybe software controllable per board design. So add the support for an vcc-supply regulator. Signed-off-by: Peng Fan Reviewed-by: Marco Felsch --- drivers/mtd/spi-nor/core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index b6f374ded390a0c0429a61dd0579204e0e98bfa1..d95427c4f4d0839c5df348eeddea59582ef99d9d 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -3465,6 +3466,10 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (!nor->bouncebuf) return -ENOMEM; + ret = devm_regulator_get_enable(dev, "vcc"); + if (ret) + return ret; + ret = spi_nor_hw_reset(nor); if (ret) return ret;