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Commit cf3567aa authored by Sascha Hauer's avatar Sascha Hauer
Browse files

ARM MXS: Add auart platform support for i.MX28 



Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 47d37d6f

arch/arm/mach-mxs/clock-mx28.c

+5 −0
Original line number Diff line number Diff line
@@ -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)

arch/arm/mach-mxs/devices-mx28.h

+8 −0
Original line number Diff line number Diff line
@@ -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)

arch/arm/mach-mxs/devices/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-mxs/devices/Makefile

+1 −0
Original line number Diff line number Diff line 
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

arch/arm/mach-mxs/devices/platform-auart.c

0 → 100644
+54 −0
Original line number Diff line number Diff line 
/*

 * 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));

}