diff options
Diffstat (limited to 'arch/arm/mach-imx/devices/platform-imx-ssi.c')
| -rw-r--r-- | arch/arm/mach-imx/devices/platform-imx-ssi.c | 118 | 
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/devices/platform-imx-ssi.c b/arch/arm/mach-imx/devices/platform-imx-ssi.c new file mode 100644 index 00000000000..bfcb8f3dfa8 --- /dev/null +++ b/arch/arm/mach-imx/devices/platform-imx-ssi.c @@ -0,0 +1,118 @@ +/* + * Copyright (C) 2010 Pengutronix + * Uwe Kleine-Koenig <u.kleine-koenig@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 "../hardware.h" +#include "devices-common.h" + +#define imx_imx_ssi_data_entry(soc, _id, _hwid, _size)			\ +	[_id] = {							\ +		.id = _id,						\ +		.iobase = soc ## _SSI ## _hwid ## _BASE_ADDR,		\ +		.iosize = _size,					\ +		.irq = soc ## _INT_SSI ## _hwid,			\ +		.dmatx0 = soc ## _DMA_REQ_SSI ## _hwid ## _TX0,		\ +		.dmarx0 = soc ## _DMA_REQ_SSI ## _hwid ## _RX0,		\ +		.dmatx1 = soc ## _DMA_REQ_SSI ## _hwid ## _TX1,		\ +		.dmarx1 = soc ## _DMA_REQ_SSI ## _hwid ## _RX1,		\ +	} + +#ifdef CONFIG_SOC_IMX21 +const struct imx_imx_ssi_data imx21_imx_ssi_data[] __initconst = { +#define imx21_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX21, _id, _hwid, SZ_4K) +	imx21_imx_ssi_data_entry(0, 1), +	imx21_imx_ssi_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX21 */ + +#ifdef CONFIG_SOC_IMX25 +const struct imx_imx_ssi_data imx25_imx_ssi_data[] __initconst = { +#define imx25_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX25, _id, _hwid, SZ_4K) +	imx25_imx_ssi_data_entry(0, 1), +	imx25_imx_ssi_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX25 */ + +#ifdef CONFIG_SOC_IMX27 +const struct imx_imx_ssi_data imx27_imx_ssi_data[] __initconst = { +#define imx27_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX27, _id, _hwid, SZ_4K) +	imx27_imx_ssi_data_entry(0, 1), +	imx27_imx_ssi_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX27 */ + +#ifdef CONFIG_SOC_IMX31 +const struct imx_imx_ssi_data imx31_imx_ssi_data[] __initconst = { +#define imx31_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX31, _id, _hwid, SZ_4K) +	imx31_imx_ssi_data_entry(0, 1), +	imx31_imx_ssi_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX31 */ + +#ifdef CONFIG_SOC_IMX35 +const struct imx_imx_ssi_data imx35_imx_ssi_data[] __initconst = { +#define imx35_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX35, _id, _hwid, SZ_4K) +	imx35_imx_ssi_data_entry(0, 1), +	imx35_imx_ssi_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX35 */ + +#ifdef CONFIG_SOC_IMX51 +const struct imx_imx_ssi_data imx51_imx_ssi_data[] __initconst = { +#define imx51_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX51, _id, _hwid, SZ_16K) +	imx51_imx_ssi_data_entry(0, 1), +	imx51_imx_ssi_data_entry(1, 2), +	imx51_imx_ssi_data_entry(2, 3), +}; +#endif /* ifdef CONFIG_SOC_IMX51 */ + +#ifdef CONFIG_SOC_IMX53 +const struct imx_imx_ssi_data imx53_imx_ssi_data[] __initconst = { +#define imx53_imx_ssi_data_entry(_id, _hwid)				\ +	imx_imx_ssi_data_entry(MX53, _id, _hwid, SZ_16K) +	imx53_imx_ssi_data_entry(0, 1), +	imx53_imx_ssi_data_entry(1, 2), +	imx53_imx_ssi_data_entry(2, 3), +}; +#endif /* ifdef CONFIG_SOC_IMX53 */ + +struct platform_device *__init imx_add_imx_ssi( +		const struct imx_imx_ssi_data *data, +		const struct imx_ssi_platform_data *pdata) +{ +	struct resource res[] = { +		{ +			.start = data->iobase, +			.end = data->iobase + data->iosize - 1, +			.flags = IORESOURCE_MEM, +		}, { +			.start = data->irq, +			.end = data->irq, +			.flags = IORESOURCE_IRQ, +		}, +#define DMARES(_name) {							\ +	.name = #_name,							\ +	.start = data->dma ## _name,					\ +	.end = data->dma ## _name,					\ +	.flags = IORESOURCE_DMA,					\ +} +		DMARES(tx0), +		DMARES(rx0), +		DMARES(tx1), +		DMARES(rx1), +	}; + +	return imx_add_platform_device("imx-ssi", data->id, +			res, ARRAY_SIZE(res), +			pdata, sizeof(*pdata)); +}  |