[PATCH v6 4/4] ARM: mxs/mx28evk: add GPMI-NAND device

[Huang Shijie]

add GPMI-NAND device for mx28evk board.

Signed-off-by: Huang Shijie <b32955 at freescale.com>
---
 arch/arm/mach-mxs/Kconfig        |    1 +
 arch/arm/mach-mxs/mach-mx28evk.c |   36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index ec337d0..f13e9c1 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -47,6 +47,7 @@ config MACH_MX28EVK
 	select MXS_HAVE_PLATFORM_AUART
 	select MXS_HAVE_PLATFORM_FEC
 	select MXS_HAVE_PLATFORM_FLEXCAN
+	select MXS_HAVE_PLATFORM_GPMI_NAND
 	select MXS_HAVE_PLATFORM_MXS_MMC
 	select MXS_HAVE_PLATFORM_MXSFB
 	select MXS_OCOTP
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index eaaf6ff..d26bc22 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -314,6 +314,41 @@ static const struct flexcan_platform_data
 	}
 };
 
+/* gpmi-nand */
+static iomux_cfg_t mx28evk_gpmi_nand_pads[] = {
+	MX28_PAD_GPMI_D00__GPMI_D0 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D01__GPMI_D1 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D02__GPMI_D2 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D03__GPMI_D3 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D04__GPMI_D4 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D05__GPMI_D5 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D06__GPMI_D6 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_D07__GPMI_D7 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_RDY0__GPMI_READY0 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_RDY1__GPMI_READY1 | MXS_PAD_CTRL,
+	MX28_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_CTRL_12MA,
+	MX28_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_CTRL_12MA,
+	MX28_PAD_GPMI_RESETN__GPMI_RESETN | MXS_PAD_CTRL_12MA,
+};
+
+static int mx28evk_gpmi_nand_platform_init(void)
+{
+	return mxs_iomux_setup_multiple_pads(mx28evk_gpmi_nand_pads,
+				ARRAY_SIZE(mx28evk_gpmi_nand_pads));
+}
+
+static const struct gpmi_nand_platform_data
+mx28evk_gpmi_nand_data __initconst = {
+	.platform_init		= mx28evk_gpmi_nand_platform_init,
+	.min_prop_delay_in_ns	= 5,
+	.max_prop_delay_in_ns	= 9,
+	.max_chip_count		= 1,
+};
+
 /* mxsfb (lcdif) */
 static struct fb_videomode mx28evk_video_modes[] = {
 	{
@@ -390,6 +425,7 @@ static void __init mx28evk_init(void)
 	else
 		gpio_set_value(MX28EVK_BL_ENABLE, 1);
 
+	mx28_add_gpmi_nand(&mx28evk_gpmi_nand_data);
 	mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
 
 	/* power on mmc slot by writing 0 to the gpio */
-- 
1.7.0.4