From mboxrd@z Thu Jan 1 00:00:00 1970 From: b32955@freescale.com (Huang Shijie) Date: Wed, 24 Aug 2011 15:07:22 +0800 Subject: [PATCH v8 3/4] ARM: mxs/mx23evk: add GPMI-NAND device In-Reply-To: <1314169643-23425-1-git-send-email-b32955@freescale.com> References: <1314169643-23425-1-git-send-email-b32955@freescale.com> Message-ID: <1314169643-23425-4-git-send-email-b32955@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org add the GPMI-NAND device for mx23evk board. Signed-off-by: Huang Shijie --- arch/arm/mach-mxs/Kconfig | 1 + arch/arm/mach-mxs/mach-mx23evk.c | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 4cd0231..8bf202a 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -32,6 +32,7 @@ config MACH_MX23EVK select SOC_IMX23 select MXS_HAVE_AMBA_DUART select MXS_HAVE_PLATFORM_AUART + select MXS_HAVE_PLATFORM_GPMI_NAND select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXSFB help diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c index 3c2de33..d55ee6f 100644 --- a/arch/arm/mach-mxs/mach-mx23evk.c +++ b/arch/arm/mach-mxs/mach-mx23evk.c @@ -107,6 +107,41 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = { (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), }; +/* gpmi-nand */ +static iomux_cfg_t mx23evk_gpmi_nand_pads[] = { + MX23_PAD_GPMI_D00__GPMI_D00 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D01__GPMI_D01 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D02__GPMI_D02 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D03__GPMI_D03 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D04__GPMI_D04 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D05__GPMI_D05 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D06__GPMI_D06 | MXS_PAD_CTRL, + MX23_PAD_GPMI_D07__GPMI_D07 | MXS_PAD_CTRL, + MX23_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL, + MX23_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL, + MX23_PAD_GPMI_WPN__GPMI_WPN | MXS_PAD_CTRL_12MA, + MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_CTRL_12MA, + MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_CTRL_12MA, + MX23_PAD_GPMI_RDY0__GPMI_RDY0 | MXS_PAD_CTRL, + MX23_PAD_GPMI_RDY1__GPMI_RDY1 | MXS_PAD_CTRL, + MX23_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL, + MX23_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL, +}; + +static int mx23evk_gpmi_nand_platform_init(void) +{ + return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nand_pads, + ARRAY_SIZE(mx23evk_gpmi_nand_pads)); +} + +static const +struct gpmi_nand_platform_data mx23evk_gpmi_nand_data __initconst = { + .platform_init = mx23evk_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 mx23evk_video_modes[] = { { @@ -166,6 +201,7 @@ static void __init mx23evk_init(void) else gpio_set_value(MX23EVK_BL_ENABLE, 1); + mx23_add_gpmi_nand(&mx23evk_gpmi_nand_data); mx23_add_mxsfb(&mx23evk_mxsfb_pdata); } -- 1.7.0.4