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ARM MXS: Add auart platform support for i.MX28

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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2011-01-11 15:56:40 +01:00
parent 47d37d6f94
commit cf3567aaad
6 changed files with 81 additions and 0 deletions
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5
arch/arm/mach-mxs/clock-mx28.c
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@ -609,6 +609,11 @@ 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("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.3", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.4", NULL, uart_clk)
_REGISTER_CLOCK("fec.0", NULL, fec_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK("pll2", NULL, pll2_clk)

8
arch/arm/mach-mxs/devices-mx28.h
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@ -15,6 +15,14 @@ extern const struct amba_device mx28_duart_device __initconst;
#define mx28_add_duart() \
mxs_add_duart(&mx28_duart_device)
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)
#define mx28_add_auart1() mx28_add_auart(1)
#define mx28_add_auart2() mx28_add_auart(2)
#define mx28_add_auart3() mx28_add_auart(3)
#define mx28_add_auart4() mx28_add_auart(4)
extern const struct mxs_fec_data mx28_fec_data[] __initconst;
#define mx28_add_fec(id, pdata) \
mxs_add_fec(&mx28_fec_data[id], pdata)

3
arch/arm/mach-mxs/devices/Kconfig
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@ -2,5 +2,8 @@ config MXS_HAVE_AMBA_DUART
bool
select ARM_AMBA
config MXS_HAVE_PLATFORM_AUART
bool
config MXS_HAVE_PLATFORM_FEC
bool

1
arch/arm/mach-mxs/devices/Makefile
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@ -1,2 +1,3 @@
obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o

54
arch/arm/mach-mxs/devices/platform-auart.c Normal file
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@ -0,0 +1,54 @@
/*
* Copyright (C) 2010 Pengutronix
* Sascha Hauer <s.hauer@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <asm/sizes.h>
#include <mach/mx28.h>
#include <mach/devices-common.h>
#define mxs_auart_data_entry_single(soc, _id) \
{ \
.id = _id, \
.iobase = soc ## _AUART ## _id ## _BASE_ADDR, \
.irq = soc ## _INT_AUART ## _id, \
}
#define mxs_auart_data_entry(soc, _id) \
[_id] = mxs_auart_data_entry_single(soc, _id)
#ifdef CONFIG_SOC_IMX28
const struct mxs_auart_data mx28_auart_data[] __initconst = {
#define mx28_auart_data_entry(_id) \
mxs_auart_data_entry(MX28, _id)
mx28_auart_data_entry(0),
mx28_auart_data_entry(1),
mx28_auart_data_entry(2),
mx28_auart_data_entry(3),
mx28_auart_data_entry(4),
};
#endif
struct platform_device *__init mxs_add_auart(
const struct mxs_auart_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_8K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
return mxs_add_platform_device_dmamask("mxs-auart", data->id,
res, ARRAY_SIZE(res), NULL, 0,
DMA_BIT_MASK(32));
}

10
arch/arm/mach-mxs/include/mach/devices-common.h
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@ -30,6 +30,16 @@ int __init mxs_add_amba_device(const struct amba_device *dev);
/* duart */
int __init mxs_add_duart(const struct amba_device *dev);
/* auart */
struct mxs_auart_data {
int id;
resource_size_t iobase;
resource_size_t iosize;
resource_size_t irq;
};
struct platform_device *__init mxs_add_auart(
const struct mxs_auart_data *data);
/* fec */
#include <linux/fec.h>
struct mxs_fec_data {