From mboxrd@z Thu Jan 1 00:00:00 1970 From: Naga Sureshkumar Relli Subject: [PATCH v2 2/3] spi: xilinx: Add QUAD support Date: Mon, 30 May 2016 15:17:01 +0530 Message-ID: <1464601621-5157-1-git-send-email-nagasure@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , "Naga Sureshkumar Relli" To: , , , Return-path: Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: This patch adds QUAD mode support to axi spi controller. updated supported mode bits to SPI_TX_QUAD and SPI_RX_QUAD. Signed-off-by: Naga Sureshkumar Relli --- changes for v2 - none --- drivers/spi/spi-xilinx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index d903857..4467590 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -74,6 +74,7 @@ /* Number of data lines used to receive */ #define XSPI_RX_ONE_WIRE 1 +#define XSPI_RX_FOUR_WIRE 4 /** * struct xilinx_spi - This definition define spi driver instance @@ -558,8 +559,10 @@ static int xilinx_spi_probe(struct platform_device *pdev) xspi->tx_fifo = xspi_fill_tx_fifo_32; xspi->rx_fifo = xspi_read_rx_fifo_32; } + } else if (xspi->rx_bus_width == XSPI_RX_FOUR_WIRE) { + master->mode_bits |= SPI_TX_QUAD | SPI_RX_QUAD; } else { - dev_err(&pdev->dev, "Dual/Quad Modes are not supported\n"); + dev_err(&pdev->dev, "Dual Mode not supported\n"); goto put_master; } xspi->cs_inactive = 0xffffffff; -- 2.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html