diff options
Diffstat (limited to 'kernel/arch/arm/mach-imx/devices/platform-imx-ssi.c')
-rw-r--r-- | kernel/arch/arm/mach-imx/devices/platform-imx-ssi.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-imx/devices/platform-imx-ssi.c b/kernel/arch/arm/mach-imx/devices/platform-imx-ssi.c new file mode 100644 index 000000000..6f0e94eb2 --- /dev/null +++ b/kernel/arch/arm/mach-imx/devices/platform-imx-ssi.c @@ -0,0 +1,89 @@ +/* + * 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_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 */ + +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)); +} |