[PATCH v5 1/4] ARM: add GPMI support for imx23/imx28
Huang Shijie
b32955 at freescale.com
Wed Apr 13 05:52:26 EDT 2011
Hi.
> On Wed, Apr 13, 2011 at 02:24:38PM +0800, Huang Shijie wrote:
>> add the clock and iomux initialization for GPMI in the imx23 and imx28.
>> and register the gpmi driver.
>>
>> Signed-off-by: Huang Shijie<b32955 at freescale.com>
>> ---
>> arch/arm/mach-mxs/Kconfig | 2 +
>> arch/arm/mach-mxs/clock-mx23.c | 3 +
>> arch/arm/mach-mxs/clock-mx28.c | 3 +
>> arch/arm/mach-mxs/devices-mx23.h | 3 +
>> arch/arm/mach-mxs/devices-mx28.h | 3 +
>> arch/arm/mach-mxs/devices/Kconfig | 3 +
>> arch/arm/mach-mxs/devices/Makefile | 1 +
>> arch/arm/mach-mxs/devices/platform-gpmi.c | 134 +++++++++++++++++++++++
>> arch/arm/mach-mxs/include/mach/devices-common.h | 4 +
>> arch/arm/mach-mxs/include/mach/gpmi-nfc.h | 65 +++++++++++
>> arch/arm/mach-mxs/mach-mx23evk.c | 37 ++++++
>> arch/arm/mach-mxs/mach-mx28evk.c | 37 ++++++
>> 12 files changed, 295 insertions(+), 0 deletions(-)
>> create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi.c
>> create mode 100644 arch/arm/mach-mxs/include/mach/gpmi-nfc.h
>>
>> diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
>> index 4f6f174..e034666 100644
>> --- a/arch/arm/mach-mxs/Kconfig
>> +++ b/arch/arm/mach-mxs/Kconfig
>> @@ -22,6 +22,7 @@ config MACH_MX23EVK
>> select SOC_IMX23
>> select MXS_HAVE_AMBA_DUART
>> select MXS_HAVE_PLATFORM_AUART
>> + select MXS_HAVE_PLATFORM_GPMI
>> select MXS_HAVE_PLATFORM_MXSFB
>> default y
>> help
>> @@ -35,6 +36,7 @@ config MACH_MX28EVK
>> select MXS_HAVE_PLATFORM_AUART
>> select MXS_HAVE_PLATFORM_FEC
>> select MXS_HAVE_PLATFORM_FLEXCAN
>> + select MXS_HAVE_PLATFORM_GPMI
>> select MXS_HAVE_PLATFORM_MXSFB
>> select MXS_OCOTP
>> default y
>> diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
>> index d133c7f..f3c9653 100644
>> --- a/arch/arm/mach-mxs/clock-mx23.c
>> +++ b/arch/arm/mach-mxs/clock-mx23.c
>> @@ -29,6 +29,7 @@
>> #include<mach/mx23.h>
>> #include<mach/common.h>
>> #include<mach/clock.h>
>> +#include<mach/gpmi-nfc.h>
> This include is only needed to get GPMI_NFC_DRIVER_MX23? Then I suggest
> to hardcode the clock name.
>
ok.
>>
>> #include "regs-clkctrl-mx23.h"
>>
>> @@ -442,6 +443,7 @@ static struct clk_lookup lookups[] = {
>> _REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
>> /* for amba-pl011 driver */
>> _REGISTER_CLOCK("duart", NULL, uart_clk)
>> + _REGISTER_CLOCK(GPMI_NFC_DRIVER_MX23, NULL, gpmi_clk)
>> _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
>> _REGISTER_CLOCK("rtc", NULL, rtc_clk)
>> _REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
>> @@ -533,6 +535,7 @@ int __init mx23_clocks_init(void)
>> clk_enable(&xbus_clk);
>> clk_enable(&emi_clk);
>> clk_enable(&uart_clk);
>> + clk_enable(&gpmi_clk);
> Doesn't the driver handle enabling the clock?
>
>> clkdev_add_table(lookups, ARRAY_SIZE(lookups));
>>
>> diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
>> index 5e489a2..7868d42 100644
>> --- a/arch/arm/mach-mxs/clock-mx28.c
>> +++ b/arch/arm/mach-mxs/clock-mx28.c
>> @@ -29,6 +29,7 @@
>> #include<mach/mx28.h>
>> #include<mach/common.h>
>> #include<mach/clock.h>
>> +#include<mach/gpmi-nfc.h>
>>
>> #include "regs-clkctrl-mx28.h"
>>
>> @@ -607,6 +608,7 @@ static struct clk_lookup lookups[] = {
>> _REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
>> /* for amba-pl011 driver */
>> _REGISTER_CLOCK("duart", NULL, uart_clk)
>> + _REGISTER_CLOCK(GPMI_NFC_DRIVER_MX28, NULL, gpmi_clk)
>> _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
>> _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
>> _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
>> @@ -749,6 +751,7 @@ int __init mx28_clocks_init(void)
>> clk_enable(&xbus_clk);
>> clk_enable(&emi_clk);
>> clk_enable(&uart_clk);
>> + clk_enable(&gpmi_clk);
> ditto^2
>
>> clk_set_parent(&lcdif_clk,&ref_pix_clk);
>>
>> diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
>> index c7e14f4..349fb1d 100644
>> --- a/arch/arm/mach-mxs/devices-mx23.h
>> +++ b/arch/arm/mach-mxs/devices-mx23.h
>> @@ -16,6 +16,9 @@ extern const struct amba_device mx23_duart_device __initconst;
>> #define mx23_add_duart() \
>> mxs_add_duart(&mx23_duart_device)
>>
>> +extern const struct gpmi_nfc_platform_data gpmi_platform_data_imx23 __initconst;
>> +#define mx23_add_gpmi() mxs_add_gpmi(&gpmi_platform_data_imx23)
>> +
>> extern const struct mxs_auart_data mx23_auart_data[] __initconst;
>> #define mx23_add_auart(id) mxs_add_auart(&mx23_auart_data[id])
>> #define mx23_add_auart0() mx23_add_auart(0)
>> diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
>> index 9d08555..ed6427b 100644
>> --- a/arch/arm/mach-mxs/devices-mx28.h
>> +++ b/arch/arm/mach-mxs/devices-mx28.h
>> @@ -16,6 +16,9 @@ extern const struct amba_device mx28_duart_device __initconst;
>> #define mx28_add_duart() \
>> mxs_add_duart(&mx28_duart_device)
>>
>> +extern const struct gpmi_nfc_platform_data gpmi_platform_data_imx28 __initconst;
>> +#define mx28_add_gpmi() mxs_add_gpmi(&gpmi_platform_data_imx28)
>> +
> Can you please keep this file sorted?
>
>> extern const struct mxs_auart_data mx28_auart_data[] __initconst;
>> #define mx28_add_auart(id) mxs_add_auart(&mx28_auart_data[id])
>> #define mx28_add_auart0() mx28_add_auart(0)
>> diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
>> index 1451ad0..81e99ce 100644
>> --- a/arch/arm/mach-mxs/devices/Kconfig
>> +++ b/arch/arm/mach-mxs/devices/Kconfig
>> @@ -5,6 +5,9 @@ config MXS_HAVE_AMBA_DUART
>> config MXS_HAVE_PLATFORM_AUART
>> bool
>>
>> +config MXS_HAVE_PLATFORM_GPMI
>> + bool
>> +
>> config MXS_HAVE_PLATFORM_FEC
>> bool
> Can you please keep this file sorted?
>
>>
>> diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
>> index 0d9bea3..8a7c2c8 100644
>> --- a/arch/arm/mach-mxs/devices/Makefile
>> +++ b/arch/arm/mach-mxs/devices/Makefile
>> @@ -2,6 +2,7 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o
>> obj-$(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_GPMI) += platform-gpmi.o
>> obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
> Can you please keep this file sorted?
>
>> obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
>> obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
>> diff --git a/arch/arm/mach-mxs/devices/platform-gpmi.c b/arch/arm/mach-mxs/devices/platform-gpmi.c
>> new file mode 100644
>> index 0000000..74ebe22
>> --- /dev/null
>> +++ b/arch/arm/mach-mxs/devices/platform-gpmi.c
>> @@ -0,0 +1,134 @@
>> +/*
>> + * 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/gpmi-nfc.h>
>> +#include<mach/devices-common.h>
>> +
>> +#ifdef CONFIG_SOC_IMX23
>> +const struct gpmi_nfc_platform_data gpmi_platform_data_imx23 __initconst = {
>> + .min_prop_delay_in_ns = 5,
>> + .max_prop_delay_in_ns = 9,
>> + .max_chip_count = 1,
>> +};
>> +
>> +const struct resource res_imx23[] __initconst = {
>> + { /* GPMI */
>> + .start = MX23_GPMI_BASE_ADDR,
>> + .end = MX23_GPMI_BASE_ADDR + SZ_8K - 1,
>> + .name = GPMI_NFC_GPMI_REGS_ADDR_RES_NAME,
>> + .flags = IORESOURCE_MEM,
>> + }, {
>> + .start = MX23_INT_GPMI_ATTENTION,
>> + .end = MX23_INT_GPMI_ATTENTION,
>> + .name = GPMI_NFC_GPMI_INTERRUPT_RES_NAME,
>> + .flags = IORESOURCE_IRQ,
>> + }, { /* BCH */
>> + .start = MX23_BCH_BASE_ADDR,
>> + .end = MX23_BCH_BASE_ADDR + SZ_8K - 1,
>> + .name = GPMI_NFC_BCH_REGS_ADDR_RES_NAME,
>> + .flags = IORESOURCE_MEM,
>> + }, {
>> + .start = MX23_INT_BCH,
>> + .end = MX23_INT_BCH,
>> + .name = GPMI_NFC_BCH_INTERRUPT_RES_NAME,
>> + .flags = IORESOURCE_IRQ,
>> + }, { /* DMA */
>> + .start = MX23_DMA_GPMI0,
>> + .end = MX23_DMA_GPMI3,
>> + .name = GPMI_NFC_DMA_CHANNELS_RES_NAME,
>> + .flags = IORESOURCE_DMA,
>> + }, {
>> + .start = MX23_INT_GPMI_DMA,
>> + .end = MX23_INT_GPMI_DMA,
>> + .name = GPMI_NFC_DMA_INTERRUPT_RES_NAME,
>> + .flags = IORESOURCE_IRQ,
>> + },
>> +};
> maybe use a macro to define this and res_imx28?
>
ok.
>> +#endif
>> +
>> +#ifdef CONFIG_SOC_IMX28
>> +const struct gpmi_nfc_platform_data gpmi_platform_data_imx28 __initconst = {
>> + .min_prop_delay_in_ns = 5,
>> + .max_prop_delay_in_ns = 9,
>> + .max_chip_count = 1,
>> +};
>> +
>> +const struct resource res_imx28[] __initconst = {
>> + { /* GPMI */
>> + .start = MX28_GPMI_BASE_ADDR,
>> + .end = MX28_GPMI_BASE_ADDR + SZ_8K - 1,
>> + .name = GPMI_NFC_GPMI_REGS_ADDR_RES_NAME,
>> + .flags = IORESOURCE_MEM,
>> + }, {
>> + .start = MX28_INT_GPMI,
>> + .end = MX28_INT_GPMI,
>> + .name = GPMI_NFC_GPMI_INTERRUPT_RES_NAME,
>> + .flags = IORESOURCE_IRQ,
>> + }, { /* BCH */
>> + .start = MX28_BCH_BASE_ADDR,
>> + .end = MX28_BCH_BASE_ADDR + SZ_8K - 1,
>> + .name = GPMI_NFC_BCH_REGS_ADDR_RES_NAME,
>> + .flags = IORESOURCE_MEM,
>> + }, {
>> + .start = MX28_INT_BCH,
>> + .end = MX28_INT_BCH,
>> + .name = GPMI_NFC_BCH_INTERRUPT_RES_NAME,
>> + .flags = IORESOURCE_IRQ,
>> + }, { /* DMA */
>> + .start = MX28_DMA_GPMI0,
>> + .end = MX28_DMA_GPMI7,
>> + .name = GPMI_NFC_DMA_CHANNELS_RES_NAME,
>> + .flags = IORESOURCE_DMA,
>> + }, {
>> + .start = MX28_INT_GPMI_DMA,
>> + .end = MX28_INT_GPMI_DMA,
>> + .name = GPMI_NFC_DMA_INTERRUPT_RES_NAME,
>> + .flags = IORESOURCE_IRQ,
>> + },
>> +};
>> +#endif
>> +
>> +struct platform_device *__init
>> +mxs_add_gpmi(const struct gpmi_nfc_platform_data *data)
>> +{
>> + const struct resource *res;
>> + int res_size;
>> + const char *name = NULL;
>> +
>> +#ifdef CONFIG_SOC_IMX23
>> + if (cpu_is_mx23()) {
> You can save these cpu_is_mx23 calls by letting mxs23_add_gpmi pass
> res_imx23 (with a better name) to mxs_add_gpmi as is done by the other
> functions. (Or alternatively implement mxs23_add_gpmi as function.)
>
thanks.
>> + res_size = ARRAY_SIZE(res_imx23);
>> + res = res_imx23;
>> + name = GPMI_NFC_DRIVER_MX23;
>> + }
>> +#endif
>> +
>> +#ifdef CONFIG_SOC_IMX28
>> + if (cpu_is_mx28()) {
>> + res_size = ARRAY_SIZE(res_imx28);
>> + res = res_imx28;
>> + name = GPMI_NFC_DRIVER_MX28;
>> + }
>> +#endif
>> +
>> + return mxs_add_platform_device_dmamask(name, -1,
>> + res, res_size,
>> + data, sizeof(*data), 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 71f2448..1f05503 100644
>> --- a/arch/arm/mach-mxs/include/mach/devices-common.h
>> +++ b/arch/arm/mach-mxs/include/mach/devices-common.h
>> @@ -30,6 +30,10 @@ int __init mxs_add_amba_device(const struct amba_device *dev);
>> /* duart */
>> int __init mxs_add_duart(const struct amba_device *dev);
>>
>> +/* GPMI */
>> +#include<mach/gpmi-nfc.h>
>> +struct platform_device *__init mxs_add_gpmi(
>> + const struct gpmi_nfc_platform_data *data);
>> /* auart */
>> struct mxs_auart_data {
>> int id;
>> diff --git a/arch/arm/mach-mxs/include/mach/gpmi-nfc.h b/arch/arm/mach-mxs/include/mach/gpmi-nfc.h
>> new file mode 100644
>> index 0000000..cf8e8c3
>> --- /dev/null
>> +++ b/arch/arm/mach-mxs/include/mach/gpmi-nfc.h
>> @@ -0,0 +1,65 @@
>> +/*
>> + * 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.
>> + */
>> +
>> +#ifndef __INCLUDE_LINUX_DEVICE_H
>> +#define __INCLUDE_LINUX_DEVICE_H
>> +
>> +#define GPMI_NFC_DRIVER_NAME "gpmi-nfc"
>> +#define GPMI_NFC_DRIVER_MX23 "gpmi-nfc-mx23"
>> +#define GPMI_NFC_DRIVER_MX28 "gpmi-nfc-mx28"
>> +#define GPMI_NFC_DRIVER_MX50 "gpmi-nfc-mx508"
> I'd prefer "imx23-gpmi" et al here. Is the 8 in "gpmi-nfc-mx508"
> intended?
>
The '508' is full-name of the mx50.
But it seems strange. ok, I will remove it.
>> +
>> +/* Resource names for the GPMI NFC driver. */
>> +#define GPMI_NFC_GPMI_REGS_ADDR_RES_NAME "GPMI NFC GPMI Registers"
>> +#define GPMI_NFC_GPMI_INTERRUPT_RES_NAME "GPMI NFC GPMI Interrupt"
>> +#define GPMI_NFC_BCH_REGS_ADDR_RES_NAME "GPMI NFC BCH Registers"
>> +#define GPMI_NFC_BCH_INTERRUPT_RES_NAME "GPMI NFC BCH Interrupt"
>> +#define GPMI_NFC_DMA_CHANNELS_RES_NAME "GPMI NFC DMA Channels"
>> +#define GPMI_NFC_DMA_INTERRUPT_RES_NAME "GPMI NFC DMA Interrupt"
>> +
>> +/**
>> + * struct gpmi_nfc_platform_data - GPMI NFC driver platform data.
>> + *
>> + * This structure communicates platform-specific information to the GPMI NFC
>> + * driver that can't be expressed as resources.
>> + *
>> + * @min_prop_delay_in_ns: Minimum propagation delay of GPMI signals to and
>> + * from the NAND Flash device, in nanoseconds.
>> + * @max_prop_delay_in_ns: Maximum propagation delay of GPMI signals to and
>> + * from the NAND Flash device, in nanoseconds.
>> + * @max_chip_count: The maximum number of chips for which the driver
>> + * should configure the hardware. This value most
>> + * likely reflects the number of pins that are
>> + * connected to a NAND Flash device. If this is
>> + * greater than the SoC hardware can support, the
>> + * driver will print a message and fail to initialize.
>> + * @partitions: An optional pointer to an array of partition
>> + * descriptions.
>> + * @partition_count: The number of elements in the partitions array.
>> + */
>> +struct gpmi_nfc_platform_data {
>> + /* NAND Flash information. */
>> + unsigned int min_prop_delay_in_ns;
>> + unsigned int max_prop_delay_in_ns;
>> + unsigned int max_chip_count;
>> +
>> + /* soc */
>> + struct mtd_partition *partitions;
>> + unsigned partition_count;
>> +};
>> +#endif
>> diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
>> index a66994f..db715f9 100644
>> --- a/arch/arm/mach-mxs/mach-mx23evk.c
>> +++ b/arch/arm/mach-mxs/mach-mx23evk.c
>> @@ -34,6 +34,42 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
>> MX23_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
>> MX23_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
>>
>> + /* gpmi */
>> + MX23_PAD_GPMI_D00__GPMI_D00 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D01__GPMI_D01 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D02__GPMI_D02 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D03__GPMI_D03 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D04__GPMI_D04 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D05__GPMI_D05 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D06__GPMI_D06 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_D07__GPMI_D07 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_CLE__GPMI_CLE |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_ALE__GPMI_ALE |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_WPN__GPMI_WPN |
>> + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_WRN__GPMI_WRN |
>> + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_RDN__GPMI_RDN |
>> + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_RDY0__GPMI_RDY0 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_RDY1__GPMI_RDY1 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_CE0N__GPMI_CE0N |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX23_PAD_GPMI_CE1N__GPMI_CE1N |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> +
>> /* auart */
>> MX23_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL,
>> MX23_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL,
>> @@ -108,6 +144,7 @@ static void __init mx23evk_init(void)
>> mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
>>
>> mx23_add_duart();
>> + mx23_add_gpmi();
>> mx23_add_auart0();
>>
>> ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
> IMHO adding the device to machines should be a seperate patch.
Do I have to split the driver into two parts? one for ARM-KERNEL, and
another for MTD?
If I have to do it, I will split the driver.
Best Regards
>> diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
>> index 08002d0..cf8ddcb 100644
>> --- a/arch/arm/mach-mxs/mach-mx28evk.c
>> +++ b/arch/arm/mach-mxs/mach-mx28evk.c
>> @@ -39,6 +39,42 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
>> MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
>> MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
>>
>> + /* gpmi */
>> + MX28_PAD_GPMI_D00__GPMI_D0 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D01__GPMI_D1 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D02__GPMI_D2 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D03__GPMI_D3 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D04__GPMI_D4 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D05__GPMI_D5 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D06__GPMI_D6 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_D07__GPMI_D7 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_CE0N__GPMI_CE0N |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_CE1N__GPMI_CE1N |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_RDY0__GPMI_READY0 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_RDY1__GPMI_READY1 |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_RDN__GPMI_RDN |
>> + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_WRN__GPMI_WRN |
>> + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_ALE__GPMI_ALE |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_CLE__GPMI_CLE |
>> + (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> + MX28_PAD_GPMI_RESETN__GPMI_RESETN |
>> + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>> +
>> /* auart0 */
>> MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
>> MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
>> @@ -265,6 +301,7 @@ static void __init mx28evk_init(void)
>> mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
>>
>> mx28_add_duart();
>> + mx28_add_gpmi();
>> mx28_add_auart0();
>> mx28_add_auart3();
> Best regards
> Uwe
>
More information about the linux-mtd
mailing list