From: Florian Fainelli <f.fainelli@gmail.com>
To: linux-mtd@lists.infradead.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Kamal Dasu <kdasu.kdev@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Brian Norris <computersforpeace@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
Simon Arlott <simon@fire.lp0.eu>,
devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
FLATTENED DEVICE TREE BINDINGS),
linux-kernel@vger.kernel.org (open list),
bcm-kernel-feedback-list@broadcom.com (open list:BROADCOM STB
NAND FLASH DRIVER)
Subject: [PATCH] mtd: brcmnand: Add support for v6.2 controllers
Date: Thu, 10 Mar 2016 15:34:16 -0800 [thread overview]
Message-ID: <1457652859-767-1-git-send-email-f.fainelli@gmail.com> (raw)
Document and match the brcm,brcmnand-v6.2 compatible string, the controller has
a register layout identical to the v6.0 version and supports prefetch. Update the
command shift logic to account for v6.2 controller which are the first ones to
use a shift of 0 (6.1 used a shift of 24).
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt | 1 +
drivers/mtd/nand/brcmnand/brcmnand.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
index c2546ced9c02..deb24cbdda82 100644
--- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
+++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
@@ -24,6 +24,7 @@ Required properties:
brcm,brcmnand-v5.0
brcm,brcmnand-v6.0
brcm,brcmnand-v6.1
+ brcm,brcmnand-v6.2
brcm,brcmnand-v7.0
brcm,brcmnand-v7.1
brcm,brcmnand
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index e0528397306a..0b7a698cc233 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -601,7 +601,7 @@ static void brcmnand_wr_corr_thresh(struct brcmnand_host *host, u8 val)
static inline int brcmnand_cmd_shift(struct brcmnand_controller *ctrl)
{
- if (ctrl->nand_version < 0x0700)
+ if (ctrl->nand_version < 0x0602)
return 24;
return 0;
}
@@ -2115,6 +2115,7 @@ static const struct of_device_id brcmnand_of_match[] = {
{ .compatible = "brcm,brcmnand-v5.0" },
{ .compatible = "brcm,brcmnand-v6.0" },
{ .compatible = "brcm,brcmnand-v6.1" },
+ { .compatible = "brcm,brcmnand-v6.2" },
{ .compatible = "brcm,brcmnand-v7.0" },
{ .compatible = "brcm,brcmnand-v7.1" },
{},
--
2.1.0
next reply other threads:[~2016-03-10 23:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-10 23:34 Florian Fainelli [this message]
2016-03-18 16:40 ` Rob Herring
2016-04-04 6:53 ` Brian Norris
2016-04-04 21:48 ` Boris Brezillon
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