From mboxrd@z Thu Jan 1 00:00:00 1970 From: b32955@freescale.com (Huang Shijie) Date: Wed, 29 Jun 2011 17:21:00 +0800 Subject: [PATCH V4 2/3] ARM: mxs: add GPMI-NFC device for imx23 In-Reply-To: <20110629080844.GK6588@pengutronix.de> References: <1309334082-9501-1-git-send-email-b32955@freescale.com> <1309334082-9501-3-git-send-email-b32955@freescale.com> <20110629080844.GK6588@pengutronix.de> Message-ID: <4E0AEE7C.8090100@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi : > On Wed, Jun 29, 2011 at 03:54:41PM +0800, Huang Shijie wrote: >> add the gpmi-nfc device for imx23. >> >> Signed-off-by: Huang Shijie >> --- >> arch/arm/mach-mxs/clock-mx23.c | 1 + >> arch/arm/mach-mxs/devices-mx23.h | 4 + >> arch/arm/mach-mxs/devices/Kconfig | 3 + >> arch/arm/mach-mxs/devices/Makefile | 1 + >> arch/arm/mach-mxs/devices/platform-gpmi-nfc.c | 71 +++++++++++++++++++++++ >> arch/arm/mach-mxs/include/mach/devices-common.h | 10 +++ >> arch/arm/mach-mxs/mach-mx23evk.c | 37 ++++++++++++ > Can you split between arch and machine support please? > (I'd not split between imx28 and imx23, but that's up to you.) > Ok , i will split it in the next version. Best Regards Huang Shijie >> 7 files changed, 127 insertions(+), 0 deletions(-) >> create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nfc.c >> >> diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c >> index 0163b6d..e190c53 100644 >> --- a/arch/arm/mach-mxs/clock-mx23.c >> +++ b/arch/arm/mach-mxs/clock-mx23.c >> @@ -456,6 +456,7 @@ static struct clk_lookup lookups[] = { >> _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) >> _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) >> _REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk) >> + _REGISTER_CLOCK("imx23-gpmi-nfc", NULL, gpmi_clk) >> }; >> >> static int clk_misc_init(void) >> diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h >> index c6f345f..a9c495d 100644 >> --- a/arch/arm/mach-mxs/devices-mx23.h >> +++ b/arch/arm/mach-mxs/devices-mx23.h >> @@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst; >> #define mx23_add_auart0() mx23_add_auart(0) >> #define mx23_add_auart1() mx23_add_auart(1) >> >> +extern const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst; >> +#define mx23_add_gpmi_nfc(pdata) \ >> + mxs_add_gpmi_nfc(pdata,&mx23_gpmi_nfc_data) >> + >> extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst; >> #define mx23_add_mxs_mmc(id, pdata) \ >> mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata) >> diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig >> index acf9eea..b42a14b 100644 >> --- a/arch/arm/mach-mxs/devices/Kconfig >> +++ b/arch/arm/mach-mxs/devices/Kconfig >> @@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN >> select HAVE_CAN_FLEXCAN if CAN >> bool >> >> +config MXS_HAVE_PLATFORM_GPMI_NFC >> + bool >> + >> config MXS_HAVE_PLATFORM_MXS_I2C >> bool >> >> diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile >> index 351915c..972abdc 100644 >> --- a/arch/arm/mach-mxs/devices/Makefile >> +++ b/arch/arm/mach-mxs/devices/Makefile >> @@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o >> obj-y += platform-dma.o >> obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o >> obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o >> +obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NFC) += platform-gpmi-nfc.o >> obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o >> obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o >> obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o >> diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c >> new file mode 100644 >> index 0000000..5a68370 >> --- /dev/null >> +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c >> @@ -0,0 +1,71 @@ >> +/* >> + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. >> + * >> + * This program is free software; you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License as published by >> + * the Free Software Foundation; either version 2 of the License, or >> + * (at your option) any later version. >> + * >> + * This program is distributed in the hope that it will be useful, >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> + * GNU General Public License for more details. >> + * >> + * You should have received a copy of the GNU General Public License along >> + * with this program; if not, write to the Free Software Foundation, Inc., >> + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. >> + */ >> +#include >> +#include >> +#include >> + >> +#define RES_MEM(soc, _id, _s, _n) \ >> + { \ >> + .start = soc ##_## _id ## _BASE_ADDR, \ >> + .end = soc ##_## _id ## _BASE_ADDR + (_s) - 1,\ >> + .name = (_n), \ >> + .flags = IORESOURCE_MEM, \ >> + } >> + >> +#define RES_IRQ(soc, _id, _n) \ >> + { \ >> + .start = soc ##_INT_## _id, \ >> + .end = soc ##_INT_## _id, \ >> + .name = (_n), \ >> + .flags = IORESOURCE_IRQ, \ >> + } >> + >> +#define RES_DMA(soc, _i_s, _i_e, _n) \ >> + { \ >> + .start = soc ##_## _i_s, \ >> + .end = soc ##_## _i_e, \ >> + .name = (_n), \ >> + .flags = IORESOURCE_DMA, \ >> + } >> + >> +#ifdef CONFIG_SOC_IMX23 >> +const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = { >> + .devid = "imx23-gpmi-nfc", >> + .res = { >> + /* GPMI */ >> + RES_MEM(MX23, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME), >> + RES_IRQ(MX23, GPMI_ATTENTION, GPMI_NFC_GPMI_INTERRUPT_RES_NAME), >> + /* BCH */ >> + RES_MEM(MX23, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME), >> + RES_IRQ(MX23, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME), >> + /* DMA */ >> + RES_DMA(MX23, DMA_GPMI0, DMA_GPMI3, >> + GPMI_NFC_DMA_CHANNELS_RES_NAME), >> + RES_IRQ(MX23, 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) >> +{ >> + return mxs_add_platform_device_dmamask(data->devid, -1, >> + data->res, RES_SIZE, >> + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); >> +} >> diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h >> index 812d7a8..e032120 100644 >> --- a/arch/arm/mach-mxs/include/mach/devices-common.h >> +++ b/arch/arm/mach-mxs/include/mach/devices-common.h >> @@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan( >> const struct mxs_flexcan_data *data, >> const struct flexcan_platform_data *pdata); >> >> +/* gpmi-nfc */ >> +#include >> +struct mxs_gpmi_nfc_data { >> + const char *devid; >> + const struct resource res[RES_SIZE]; >> +}; >> +struct platform_device *__init >> +mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata, >> + const struct mxs_gpmi_nfc_data *data); >> + >> /* i2c */ >> struct mxs_mxs_i2c_data { >> int id; >> diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c >> index 3c2de33..772b373 100644 >> --- a/arch/arm/mach-mxs/mach-mx23evk.c >> +++ b/arch/arm/mach-mxs/mach-mx23evk.c >> @@ -107,6 +107,42 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = { >> (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), >> }; >> >> +/* gpmi-nfc */ >> +#define MXS_PAD_GPMI_NFC (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL) >> +static iomux_cfg_t mx23evk_gpmi_nfc_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_GPMI_NFC, >> + MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC, >> + MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_GPMI_NFC, >> + 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_nfc_platform_init(void) >> +{ >> + return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nfc_pads, >> + ARRAY_SIZE(mx23evk_gpmi_nfc_pads)); >> +} >> + >> +static const >> +struct gpmi_nfc_platform_data mx23evk_gpmi_nfc_data __initconst = { >> + .platform_init = mx23evk_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 mx23evk_video_modes[] = { >> { >> @@ -166,6 +202,7 @@ static void __init mx23evk_init(void) >> else >> gpio_set_value(MX23EVK_BL_ENABLE, 1); >> >> + mx23_add_gpmi_nfc(&mx23evk_gpmi_nfc_data); >> mx23_add_mxsfb(&mx23evk_mxsfb_pdata); >> } >> >> -- >> 1.7.0.4 >> >> >>