diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2011-02-23 20:02:45 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:43:22 -0800 |
| commit | 74687bd6c007e8addd5af4c5757ba53ca82556c2 (patch) | |
| tree | 156444bc59ae4b29ce6bfd24e151dd61758efa15 /include/linux/spi-tegra.h | |
| parent | 18f1cc38976f71df2fcab41b724b9f3bfc3ab9b6 (diff) | |
spi: tegra: Fixing misc issues.
Following are the fixes;
- Supportng half duplex.
- Only using SW based CS.
- Write to readback with command register does not work. Fixing issue.
- Using cpu based transfer for smaller size and dma based for larger size.
- reading proper transfer status after every transaction.
bug 791149
bug 791780
Original-Change-Id: I293b3f1b571276f5d8fe4ad4da67f827926e4b73
Reviewed-on: http://git-master/r/20581
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Amit Kamath <akamath@nvidia.com>
Rebase-Id: R29f88f7509bdb182f05916ecf31e1090b1b9d017
Diffstat (limited to 'include/linux/spi-tegra.h')
| -rw-r--r-- | include/linux/spi-tegra.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/spi-tegra.h b/include/linux/spi-tegra.h new file mode 100644 index 000000000000..2fe1af9c239e --- /dev/null +++ b/include/linux/spi-tegra.h @@ -0,0 +1,29 @@ +/* + * include/linux/spi-tegra.c + * + * Copyright (C) 2011 NVIDIA Corporation + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef _LINUX_SPI_TEGRA_H +#define _LINUX_SPI_TEGRA_H + +struct tegra_spi_platform_data { + bool is_dma_based; + int max_dma_buffer; + bool is_clkon_always; +}; +#endif /* _LINUX_SPI_TEGRA_H */ |