diff options
| author | Alison Wang <b18965@freescale.com> | 2012-07-27 11:06:36 +0800 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2012-09-12 16:49:51 -0400 |
| commit | cb9324a27200e6ba9c39a0e2536336d8cb35d3ab (patch) | |
| tree | 1560b4b829bebaaccab91fc5ff12b7da1c8660e4 | |
| parent | 8577543d132a5d7fc7e4c509c61def155e4991f4 (diff) | |
ENGR00212251-1: sai: add platform support for SAI driver
Add platform support for SAI driver.
Signed-off-by: Alison Wang <b18965@freescale.com>
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-mvf-sai.c | 54 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/sai.h | 14 | ||||
| -rw-r--r-- | include/linux/fsl_devices.h | 1 |
3 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-mvf-sai.c b/arch/arm/plat-mxc/devices/platform-mvf-sai.c new file mode 100644 index 000000000000..af57be1777b7 --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-mvf-sai.c @@ -0,0 +1,54 @@ +/* + * Copyright 2012 Freescale Semiconductor, Inc. + * + * 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 <mach/hardware.h> +#include <mach/devices-common.h> + +#define mvf_sai_data_entry_single(soc, id, size) \ + { \ + .iobase = soc ## _SAI ## id ## _BASE_ADDR, \ + .iosize = size, \ + .irq = soc ## _INT_SAI ## id, \ + .dmatx0 = DMA_MUX03_SAI ## id ## _TX, \ + .dmarx0 = DMA_MUX03_SAI ## id ## _RX, \ + } + +const struct mvf_sai_data mvfa5_sai_data[] __initconst = { + mvf_sai_data_entry_single(MVF, 0, SZ_4K), + mvf_sai_data_entry_single(MVF, 1, SZ_4K), + mvf_sai_data_entry_single(MVF, 2, SZ_4K), +}; + +struct platform_device *__init mvf_add_sai( + int id, + const struct mvf_sai_data *data, + const struct mvf_sai_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), + }; + + return imx_add_platform_device("mvf-sai", data->id, + res, ARRAY_SIZE(res), + pdata, sizeof(*pdata)); +} diff --git a/arch/arm/plat-mxc/include/mach/sai.h b/arch/arm/plat-mxc/include/mach/sai.h new file mode 100644 index 000000000000..f47630006248 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/sai.h @@ -0,0 +1,14 @@ +#ifndef __MACH_SAI_H +#define __MACH_SAI_H + +struct mvf_sai_platform_data { + unsigned int flags; +#define MVF_SAI_DMA (1 << 0) +#define MVF_SAI_USE_AC97 (1 << 1) +#define MVF_SAI_NET (1 << 2) +#define MVF_SAI_TRA_SYN (1 << 3) +#define MVF_SAI_REC_SYN (1 << 4) +#define MVF_SAI_USE_I2S_SLAVE (1 << 5) +}; + +#endif /* __MACH_SAI_H */ diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index 5b701a8c12f8..2567d84afb73 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -344,6 +344,7 @@ struct mxc_otp_platform_data { */ struct mxc_audio_platform_data { int ssi_num; + int sai_num; int src_port; int ext_port; |