From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-mxc/devices/platform-imx-esai.c | 75 +++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 arch/arm/plat-mxc/devices/platform-imx-esai.c (limited to 'arch/arm/plat-mxc/devices/platform-imx-esai.c') diff --git a/arch/arm/plat-mxc/devices/platform-imx-esai.c b/arch/arm/plat-mxc/devices/platform-imx-esai.c new file mode 100644 index 00000000..03bd53ba --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-imx-esai.c @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * 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 +#include + +#define imx53_esai_data_entry(soc, _id, _size) \ + [_id] = { \ + .id = _id, \ + .iobase = MX53_ESAI_BASE_ADDR, \ + .iosize = _size, \ + .irq = MX53_INT_ESAI, \ + .dmatx = soc ## _DMA_REQ_ESAI ## _TX, \ + .dmarx = soc ## _DMA_REQ_ESAI ## _RX, \ + } + +#define imx6q_esai_data_entry(soc, _id, _size) \ + [_id] = { \ + .id = _id, \ + .iobase = ESAI1_BASE_ADDR, \ + .iosize = _size, \ + .irq = MXC_INT_ESAI, \ + .dmatx = soc ## _DMA_REQ_ESAI ## _TX, \ + .dmarx = soc ## _DMA_REQ_ESAI ## _RX, \ + } + +#ifdef CONFIG_SOC_IMX53 +const struct imx_imx_esai_data imx53_imx_esai_data[] __initconst = { +#define imx53_imx_esai_data_entry(_id) \ + imx53_esai_data_entry(MX53, _id, SZ_4K) + imx53_imx_esai_data_entry(0), +}; +#endif /* ifdef CONFIG_SOC_IMX53 */ + +#ifdef CONFIG_SOC_IMX6Q +const struct imx_imx_esai_data imx6q_imx_esai_data[] __initconst = { +#define imx6q_imx_esai_data_entry(_id) \ + imx6q_esai_data_entry(MX6Q, _id, SZ_4K) + imx6q_imx_esai_data_entry(0), +}; +#endif /* ifdef CONFIG_SOC_IMX6Q */ + +struct platform_device *__init imx_add_imx_esai( + const struct imx_imx_esai_data *data, + const struct imx_esai_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(tx), + DMARES(rx), + }; + + return imx_add_platform_device("imx-esai", data->id, + res, ARRAY_SIZE(res), + pdata, sizeof(*pdata)); +} -- cgit v1.2.3