From patchwork Wed Jun 29 07:54:42 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [V4,3/3] ARM: mxs: add GPMI-NFC device for imx28 Date: Tue, 28 Jun 2011 21:54:42 -0000 From: Huang Shijie X-Patchwork-Id: 102525 Message-Id: <1309334082-9501-4-git-send-email-b32955@freescale.com> To: Cc: w.sang@pengutronix.de, thierry.nolf.barco@gmail.com, Huang Shijie , linux-mtd@lists.infradead.org, u.kleine-koenig@pengutronix.de, linux-arm-kernel@lists.infradead.org, LW@KARO-electronics.de add GPMI-NFC device for imx28. Signed-off-by: Huang Shijie --- arch/arm/mach-mxs/clock-mx28.c | 1 + arch/arm/mach-mxs/devices-mx28.h | 4 +++ arch/arm/mach-mxs/devices/platform-gpmi-nfc.c | 19 +++++++++++++ arch/arm/mach-mxs/mach-mx28evk.c | 37 +++++++++++++++++++++++++ 4 files changed, 61 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 5dcc59d..0397f65 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -614,6 +614,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("duart", NULL, uart_clk) _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk) _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk) + _REGISTER_CLOCK("imx28-gpmi-nfc", NULL, gpmi_clk) _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk) _REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk) _REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 79b9452..bbc8f0c 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -34,6 +34,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst; #define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata) #define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata) +extern const struct mxs_gpmi_nfc_data mx28_gpmi_nfc_data __initconst; +#define mx28_add_gpmi_nfc(pdata) \ + mxs_add_gpmi_nfc(pdata, &mx28_gpmi_nfc_data) + extern const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst; #define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id]) diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c index 5a68370..ae88672 100644 --- a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c @@ -17,6 +17,7 @@ */ #include #include +#include #include #define RES_MEM(soc, _id, _s, _n) \ @@ -61,6 +62,24 @@ const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = { }; #endif +#ifdef CONFIG_SOC_IMX28 +const struct mxs_gpmi_nfc_data mx28_gpmi_nfc_data __initconst = { + .devid = "imx28-gpmi-nfc", + .res = { + /* GPMI */ + RES_MEM(MX28, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME), + RES_IRQ(MX28, GPMI, GPMI_NFC_GPMI_INTERRUPT_RES_NAME), + /* BCH */ + RES_MEM(MX28, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME), + RES_IRQ(MX28, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME), + /* DMA */ + RES_DMA(MX28, DMA_GPMI0, DMA_GPMI7, + GPMI_NFC_DMA_CHANNELS_RES_NAME), + RES_IRQ(MX28, GPMI_DMA, GPMI_NFC_DMA_INTERRUPT_RES_NAME), + }, +}; +#endif + struct platform_device *__init mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata, const struct mxs_gpmi_nfc_data *data) diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index eaaf6ff..74d0868 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -314,6 +314,42 @@ static const struct flexcan_platform_data } }; +/* gpmi-nfc */ +#define MXS_PAD_GPMI_NFC (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL) +static iomux_cfg_t mx28evk_gpmi_nfc_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_GPMI_NFC, + MX28_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC, + MX28_PAD_GPMI_RESETN__GPMI_RESETN | MXS_PAD_GPMI_NFC, +}; + +static int mx28evk_gpmi_nfc_platform_init(void) +{ + return mxs_iomux_setup_multiple_pads(mx28evk_gpmi_nfc_pads, + ARRAY_SIZE(mx28evk_gpmi_nfc_pads)); +} + +static const struct gpmi_nfc_platform_data +mx28evk_gpmi_nfc_data __initconst = { + .platform_init = mx28evk_gpmi_nfc_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 +426,7 @@ static void __init mx28evk_init(void) else gpio_set_value(MX28EVK_BL_ENABLE, 1); + mx28_add_gpmi_nfc(&mx28evk_gpmi_nfc_data); mx28_add_mxsfb(&mx28evk_mxsfb_pdata); /* power on mmc slot by writing 0 to the gpio */