linux-kernel - [PATCH v3 3/6] mtd: nand: gpmi: add GPMI NAND support for i.MX6QP

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Message-ID: <1466804411-19874-4-git-send-email-han.xu@nxp.com>
Date:	Fri, 24 Jun 2016 16:40:08 -0500
From:	Han Xu <han.xu@....com>
To:	<han.xu@....com>, <boris.brezillon@...e-electrons.com>,
	<richard@....at>, <dwmw2@...radead.org>,
	<computersforpeace@...il.com>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>
CC:	<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>
Subject: [PATCH v3 3/6] mtd: nand: gpmi: add GPMI NAND support for i.MX6QP

support GPMI NAND on i.MX6QP

Signed-off-by: Han Xu <han.xu@....com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 9 +++++++++
 drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 5 ++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index a8936fd..aedaff3 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -104,6 +104,12 @@ static const struct gpmi_devdata gpmi_devdata_imx6q = {
 	.max_chain_delay = 12,
 };
 
+static const struct gpmi_devdata gpmi_devdata_imx6qp = {
+	.type = IS_MX6QP,
+	.bch_max_ecc_strength = 40,
+	.max_chain_delay = 12,
+};
+
 static const struct gpmi_devdata gpmi_devdata_imx6sx = {
 	.type = IS_MX6SX,
 	.bch_max_ecc_strength = 62,
@@ -2086,6 +2092,9 @@ static const struct of_device_id gpmi_nand_id_table[] = {
 		.compatible = "fsl,imx6q-gpmi-nand",
 		.data = &gpmi_devdata_imx6q,
 	}, {
+		.compatible = "fsl,imx6qp-gpmi-nand",
+		.data = &gpmi_devdata_imx6qp,
+	}, {
 		.compatible = "fsl,imx6sx-gpmi-nand",
 		.data = &gpmi_devdata_imx6sx,
 	}, {
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
index 04a3584..1cee620 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
@@ -123,6 +123,7 @@ enum gpmi_type {
 	IS_MX23,
 	IS_MX28,
 	IS_MX6Q,
+	IS_MX6QP,
 	IS_MX6SX,
 	IS_MX7D,
 };
@@ -305,9 +306,11 @@ void gpmi_copy_bits(u8 *dst, size_t dst_bit_off,
 #define GPMI_IS_MX23(x)		((x)->devdata->type == IS_MX23)
 #define GPMI_IS_MX28(x)		((x)->devdata->type == IS_MX28)
 #define GPMI_IS_MX6Q(x)		((x)->devdata->type == IS_MX6Q)
+#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_MX6(x)		(GPMI_IS_MX6Q(x) || GPMI_IS_MX6SX(x))
+#define GPMI_IS_MX6(x)		(GPMI_IS_MX6Q(x) || GPMI_IS_MX6QP(x)	\
+				|| GPMI_IS_MX6SX(x))
 #define GPMI_IS_MX7(x)		(GPMI_IS_MX7D(x))
 #endif
-- 
1.9.1