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Tegra20/Tegra30 supports the spi interface through its SLINK controller. Add spi driver for SLINK controller. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* spi-tegra.h: SPI interface for Nvidia Tegra20 SLINK controller.
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*
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* Copyright (C) 2011 NVIDIA Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _LINUX_SPI_TEGRA_H
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#define _LINUX_SPI_TEGRA_H
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struct tegra_spi_platform_data {
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int dma_req_sel;
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unsigned int spi_max_frequency;
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};
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/*
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* Controller data from device to pass some info like
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* hw based chip select can be used or not and if yes
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* then CS hold and setup time.
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*/
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struct tegra_spi_device_controller_data {
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bool is_hw_based_cs;
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int cs_setup_clk_count;
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int cs_hold_clk_count;
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};
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#endif /* _LINUX_SPI_TEGRA_H */
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