From a3633fe7aa7022e2e9b2b799a0cbf3d6944d8ba5 Mon Sep 17 00:00:00 2001 From: "Shimoda, Yoshihiro" Date: Fri, 20 Apr 2012 14:50:36 +0900 Subject: spi/rspi: add dmaengine support This patch adds dmaengine supporting using sh_dma driver. The module receives data by DMAC, it also needs TX DMAC to generate SPI's clocks. Signed-off-by: Yoshihiro Shimoda Signed-off-by: Grant Likely --- include/linux/spi/rspi.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 include/linux/spi/rspi.h (limited to 'include/linux/spi') diff --git a/include/linux/spi/rspi.h b/include/linux/spi/rspi.h new file mode 100644 index 000000000000..900f0e328235 --- /dev/null +++ b/include/linux/spi/rspi.h @@ -0,0 +1,31 @@ +/* + * Renesas SPI driver + * + * Copyright (C) 2012 Renesas Solutions Corp. + * + * 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; version 2 of the License. + * + * 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 St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifndef __LINUX_SPI_RENESAS_SPI_H__ +#define __LINUX_SPI_RENESAS_SPI_H__ + +struct rspi_plat_data { + unsigned int dma_tx_id; + unsigned int dma_rx_id; + + unsigned dma_width_16bit:1; /* DMAC read/write width = 16-bit */ +}; + +#endif -- cgit v1.2.3