linux-kernel - [PATCH v4 6/6] mtd: nand: gpmi: support NAND on i.MX6UL

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Date:	Wed, 9 Sep 2015 17:37:24 -0500
From:	Han Xu <b45815@...escale.com>
To:	<shijie.huang@....com>
CC:	<dwmw2@...radead.org>, <computersforpeace@...il.com>,
	<b45815@...escale.com>, <boris.brezillon@...e-electrons.com>,
	<fabio.estevam@...escale.com>, <hofrat@...dl.org>,
	<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<vinod.koul@...el.com>, <dan.j.williams@...el.com>,
	<dmaengine@...r.kernel.org>
Subject: [PATCH v4 6/6] mtd: nand: gpmi: support NAND on i.MX6UL

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 e038258..ed4e874 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;
@@ -2016,6 +2022,9 @@ 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,
 	}
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
index 149a442..331f98e 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 {
@@ -310,8 +311,9 @@ 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

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