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author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-11 15:56:40 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-25 08:39:58 +0100 |
commit | cf3567aaad0304410e465a55313c8f0d25ef306d (patch) | |
tree | 03a13b3b00adb99515dca16bae67170308e79156 /arch/arm/mach-mxs | |
parent | 47d37d6f94ccf32d302492f969209930b2411f9e (diff) | |
download | op-kernel-dev-cf3567aaad0304410e465a55313c8f0d25ef306d.zip op-kernel-dev-cf3567aaad0304410e465a55313c8f0d25ef306d.tar.gz |
ARM MXS: Add auart platform support for i.MX28
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mxs')
-rw-r--r-- | arch/arm/mach-mxs/clock-mx28.c | 5 | ||||
-rw-r--r-- | arch/arm/mach-mxs/devices-mx28.h | 8 | ||||
-rw-r--r-- | arch/arm/mach-mxs/devices/Kconfig | 3 | ||||
-rw-r--r-- | arch/arm/mach-mxs/devices/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-mxs/devices/platform-auart.c | 54 | ||||
-rw-r--r-- | arch/arm/mach-mxs/include/mach/devices-common.h | 10 |
6 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 56312c0..2f1a990 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -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) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 33773a6..1ab7bf0 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -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) diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index cf7dc1a..3001b75 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -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 diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index d0a09f6..c814d05 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -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 diff --git a/arch/arm/mach-mxs/devices/platform-auart.c b/arch/arm/mach-mxs/devices/platform-auart.c new file mode 100644 index 0000000..f0dbf8a --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-auart.c @@ -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)); +} + diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index 6c3d1a1..bed4002 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -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 { |