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Merge branch 'mxs/gpmi' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/drivers 

* 'mxs/gpmi' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs: add GPMI-NAND support for imx23/imx28
This commit is contained in:
Arnd Bergmann 2012-02-28 12:21:17 +00:00
parent dae2efd750 60c15358f6
commit ee80285e1b
8 changed files with 105 additions and 0 deletions
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1
arch/arm/mach-mxs/clock-mx23.c
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@ -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-nand", NULL, gpmi_clk)
};
static int clk_misc_init(void)

1
arch/arm/mach-mxs/clock-mx28.c
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@ -643,6 +643,7 @@ 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-nand", 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)

4
arch/arm/mach-mxs/devices-mx23.h
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@ -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_nand_data mx23_gpmi_nand_data __initconst;
#define mx23_add_gpmi_nand(pdata) \
mxs_add_gpmi_nand(pdata, &mx23_gpmi_nand_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)

4
arch/arm/mach-mxs/devices-mx28.h
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@ -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_nand_data mx28_gpmi_nand_data __initconst;
#define mx28_add_gpmi_nand(pdata) \
mxs_add_gpmi_nand(pdata, &mx28_gpmi_nand_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])

3
arch/arm/mach-mxs/devices/Kconfig
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@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN
bool
config MXS_HAVE_PLATFORM_GPMI_NAND
bool
config MXS_HAVE_PLATFORM_MXS_I2C
bool

1
arch/arm/mach-mxs/devices/Makefile
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@ -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_NAND) += platform-gpmi-nand.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

81
arch/arm/mach-mxs/devices/platform-gpmi-nand.c Normal file
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@ -0,0 +1,81 @@
/*
* 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 <asm/sizes.h>
#include <mach/mx23.h>
#include <mach/mx28.h>
#include <mach/devices-common.h>
#include <linux/dma-mapping.h>
#ifdef CONFIG_SOC_IMX23
const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = {
.devid = "imx23-gpmi-nand",
.res = {
/* GPMI */
DEFINE_RES_MEM_NAMED(MX23_GPMI_BASE_ADDR, SZ_8K,
GPMI_NAND_GPMI_REGS_ADDR_RES_NAME),
DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_ATTENTION,
GPMI_NAND_GPMI_INTERRUPT_RES_NAME),
/* BCH */
DEFINE_RES_MEM_NAMED(MX23_BCH_BASE_ADDR, SZ_8K,
GPMI_NAND_BCH_REGS_ADDR_RES_NAME),
DEFINE_RES_IRQ_NAMED(MX23_INT_BCH,
GPMI_NAND_BCH_INTERRUPT_RES_NAME),
/* DMA */
DEFINE_RES_NAMED(MX23_DMA_GPMI0,
MX23_DMA_GPMI3 - MX23_DMA_GPMI0 + 1,
GPMI_NAND_DMA_CHANNELS_RES_NAME,
IORESOURCE_DMA),
DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_DMA,
GPMI_NAND_DMA_INTERRUPT_RES_NAME),
},
};
#endif
#ifdef CONFIG_SOC_IMX28
const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = {
.devid = "imx28-gpmi-nand",
.res = {
/* GPMI */
DEFINE_RES_MEM_NAMED(MX28_GPMI_BASE_ADDR, SZ_8K,
GPMI_NAND_GPMI_REGS_ADDR_RES_NAME),
DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI,
GPMI_NAND_GPMI_INTERRUPT_RES_NAME),
/* BCH */
DEFINE_RES_MEM_NAMED(MX28_BCH_BASE_ADDR, SZ_8K,
GPMI_NAND_BCH_REGS_ADDR_RES_NAME),
DEFINE_RES_IRQ_NAMED(MX28_INT_BCH,
GPMI_NAND_BCH_INTERRUPT_RES_NAME),
/* DMA */
DEFINE_RES_NAMED(MX28_DMA_GPMI0,
MX28_DMA_GPMI7 - MX28_DMA_GPMI0 + 1,
GPMI_NAND_DMA_CHANNELS_RES_NAME,
IORESOURCE_DMA),
DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI_DMA,
GPMI_NAND_DMA_INTERRUPT_RES_NAME),
},
};
#endif
struct platform_device *__init
mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata,
const struct mxs_gpmi_nand_data *data)
{
return mxs_add_platform_device_dmamask(data->devid, -1,
data->res, GPMI_NAND_RES_SIZE,
pdata, sizeof(*pdata), DMA_BIT_MASK(32));
}

10
arch/arm/mach-mxs/include/mach/devices-common.h
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@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_platform_data *pdata);
/* gpmi-nand */
#include <linux/mtd/gpmi-nand.h>
struct mxs_gpmi_nand_data {
const char *devid;
const struct resource res[GPMI_NAND_RES_SIZE];
};
struct platform_device *__init
mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata,
const struct mxs_gpmi_nand_data *data);
/* i2c */
struct mxs_mxs_i2c_data {
int id;