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Diffstat (limited to 'include/asm-arm/arch-imx/spi_imx.h')
| -rw-r--r-- | include/asm-arm/arch-imx/spi_imx.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/include/asm-arm/arch-imx/spi_imx.h b/include/asm-arm/arch-imx/spi_imx.h deleted file mode 100644 index 2165449e976..00000000000 --- a/include/asm-arm/arch-imx/spi_imx.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * include/asm-arm/arch-imx/spi_imx.h - * - * Copyright (C) 2006 SWAPP - * Andrea Paterniani <a.paterniani@swapp-eng.it> - * - * Initial version inspired by: - * linux-2.6.17-rc3-mm1/include/asm-arm/arch-pxa/pxa2xx_spi.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef SPI_IMX_H_ -#define SPI_IMX_H_ - - -/*-------------------------------------------------------------------------*/ -/** - * struct spi_imx_master - device.platform_data for SPI controller devices. - * @num_chipselect: chipselects are used to distinguish individual - * SPI slaves, and are numbered from zero to num_chipselects - 1. - * each slave has a chipselect signal, but it's common that not - * every chipselect is connected to a slave. - * @enable_dma: if true enables DMA driven transfers. -*/ -struct spi_imx_master { - u8 num_chipselect; - u8 enable_dma:1; -}; -/*-------------------------------------------------------------------------*/ - - -/*-------------------------------------------------------------------------*/ -/** - * struct spi_imx_chip - spi_board_info.controller_data for SPI - * slave devices, copied to spi_device.controller_data. - * @enable_loopback : used for test purpouse to internally connect RX and TX - * sections. - * @enable_dma : enables dma transfer (provided that controller driver has - * dma enabled too). - * @ins_ss_pulse : enable /SS pulse insertion between SPI burst. - * @bclk_wait : number of bclk waits between each bits_per_word SPI burst. - * @cs_control : function pointer to board-specific function to assert/deassert - * I/O port to control HW generation of devices chip-select. -*/ -struct spi_imx_chip { - u8 enable_loopback:1; - u8 enable_dma:1; - u8 ins_ss_pulse:1; - u16 bclk_wait:15; - void (*cs_control)(u32 control); -}; - -/* Chip-select state */ -#define SPI_CS_ASSERT (1 << 0) -#define SPI_CS_DEASSERT (1 << 1) -/*-------------------------------------------------------------------------*/ - - -#endif /* SPI_IMX_H_*/ |