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authorXu Yilun <yilun.xu@intel.com>2020-06-11 11:25:07 +0800
committerMark Brown <broonie@kernel.org>2020-06-15 23:36:02 +0100
commit8e04187c1bc7953f6dfad3400c58b1b0b0ad767b (patch)
tree239605a40ccc1b51c21b9439d9b8c7eab9a3ebbb /include/linux/spi
parent3011d314751535782508a86bbd8de415ea99909f (diff)
spi: altera: add SPI core parameters support via platform data.
This patch introduced SPI core parameters in platform data, it allows passing these SPI core parameters via platform data. Signed-off-by: Wu Hao <hao.wu@intel.com> Signed-off-by: Xu Yilun <yilun.xu@intel.com> Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Reviewed-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/1591845911-10197-3-git-send-email-yilun.xu@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/altera.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/spi/altera.h b/include/linux/spi/altera.h
new file mode 100644
index 000000000000..344a3fce56a4
--- /dev/null
+++ b/include/linux/spi/altera.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Header File for Altera SPI Driver.
+ */
+#ifndef __LINUX_SPI_ALTERA_H
+#define __LINUX_SPI_ALTERA_H
+
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+
+/**
+ * struct altera_spi_platform_data - Platform data of the Altera SPI driver
+ * @mode_bits: Mode bits of SPI master.
+ * @num_chipselect: Number of chipselects.
+ * @bits_per_word_mask: bitmask of supported bits_per_word for transfers.
+ */
+struct altera_spi_platform_data {
+ u16 mode_bits;
+ u16 num_chipselect;
+ u32 bits_per_word_mask;
+};
+
+#endif /* __LINUX_SPI_ALTERA_H */