linux-kernel - [PATCH 4/5] mtd: nand: gpmi: support NAND on i.MX6UL

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Message-ID: <1456268693-8630-5-git-send-email-han.xu@nxp.com>
Date:	Tue, 23 Feb 2016 17:04:52 -0600
From:	Han Xu <han.xu@....com>
To:	<shijie.huang@....com>, <dwmw2@...radead.org>,
	<computersforpeace@...il.com>, <han.xu@....com>,
	<standby24x7@...il.com>, <jkosina@...e.cz>,
	<boris.brezillon@...e-electrons.com>,
	<fabio.estevam@...escale.com>, <fransklaver@...il.com>,
	<hofrat@...dl.org>
CC:	<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/5] mtd: nand: gpmi: support NAND on i.MX6UL

From: Han Xu <b45815@...escale.com>

support GPMI NAND on i.MX6UL

Signed-off-by: Han Xu <han.xu@...escale.com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 9 +++++++++
 drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 4 +++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 6b3ca3b..1987f03 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -89,6 +89,12 @@ static const struct gpmi_devdata gpmi_devdata_imx7d = {
 	.max_chain_delay = 12,
 };
 
+static const struct gpmi_devdata gpmi_devdata_imx6ul = {
+	.type = IS_MX6UL,
+	.bch_max_ecc_strength = 40,
+	.max_chain_delay = 12,
+};
+
 static irqreturn_t bch_irq(int irq, void *cookie)
 {
 	struct gpmi_nand_data *this = cookie;
@@ -2013,6 +2019,9 @@ static const struct of_device_id gpmi_nand_id_table[] = {
 		.compatible = "fsl,imx6sx-gpmi-nand",
 		.data = &gpmi_devdata_imx6sx,
 	}, {
+		.compatible = "fsl,imx6ul-gpmi-nand",
+		.data = (void *)&gpmi_devdata_imx6ul,
+	}, {
 		.compatible = "fsl,imx7d-gpmi-nand",
 		.data = (void *)&gpmi_devdata_imx7d,
 	}, { /* sentinel */ }
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
index 605d96e..eb45a3c 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
@@ -126,6 +126,7 @@ enum gpmi_type {
 	IS_MX6QP,
 	IS_MX6SX,
 	IS_MX7D,
+	IS_MX6UL,
 };
 
 struct gpmi_devdata {
@@ -309,8 +310,9 @@ void gpmi_copy_bits(u8 *dst, size_t dst_bit_off,
 #define GPMI_IS_MX6QP(x)	((x)->devdata->type == IS_MX6QP)
 #define GPMI_IS_MX6SX(x)	((x)->devdata->type == IS_MX6SX)
 #define GPMI_IS_MX7D(x)		((x)->devdata->type == IS_MX7D)
+#define GPMI_IS_MX6UL(x)	((x)->devdata->type == IS_MX6UL)
 
 #define GPMI_IS_MX6(x)		(GPMI_IS_MX6Q(x) || GPMI_IS_MX6QP(x)\
-	   || GPMI_IS_MX6SX(x))
+	   || GPMI_IS_MX6SX(x) || GPMI_IS_MX6UL(x))
 #define GPMI_IS_MX7(x)		(GPMI_IS_MX7D(x))
 #endif
-- 
1.9.1