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authorGrant Likely <grant.likely@secretlab.ca>2012-12-06 13:58:31 +0000
committerGrant Likely <grant.likely@secretlab.ca>2012-12-06 13:58:31 +0000
commita34fc82e234255b657e62c3ce0c12e9439a59e80 (patch)
treea305e3c3c271bb5d6cd7980780f39938a02e32ce /include/linux/spi
parent161b96c383c442f4d7dabbb8500a5fbd551b344d (diff)
parent227c4ce6eac9fe6566d9718546a0e31b5b4633cd (diff)
downloadop-kernel-dev-a34fc82e234255b657e62c3ce0c12e9439a59e80.zip
op-kernel-dev-a34fc82e234255b657e62c3ce0c12e9439a59e80.tar.gz
Merge branch 'spi-next' from git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git
Pull in the changes Mark has queued up for SPI
Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/spi-tegra.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/spi/spi-tegra.h b/include/linux/spi/spi-tegra.h
new file mode 100644
index 0000000..786932c
--- /dev/null
+++ b/include/linux/spi/spi-tegra.h
@@ -0,0 +1,40 @@
+/*
+ * spi-tegra.h: SPI interface for Nvidia Tegra20 SLINK controller.
+ *
+ * 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 {
+ int dma_req_sel;
+ unsigned int spi_max_frequency;
+};
+
+/*
+ * Controller data from device to pass some info like
+ * hw based chip select can be used or not and if yes
+ * then CS hold and setup time.
+ */
+struct tegra_spi_device_controller_data {
+ bool is_hw_based_cs;
+ int cs_setup_clk_count;
+ int cs_hold_clk_count;
+};
+
+#endif /* _LINUX_SPI_TEGRA_H */
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