[PATCH 4/14] ARM: LPC32xx: Add DMA configuration to platform data
From: Roland Stigge <hidden>
Date: 2012-06-11 11:05:20
Also in:
lkml
This patch adds DMA channel configuration to the LPC32xx platform file. The configured DMA signalling is generic for LPC32xx SoC and is not board specific. Signed-off-by: Roland Stigge <redacted> --- arch/arm/mach-lpc32xx/phy3250.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+)
--- linux-2.6.orig/arch/arm/mach-lpc32xx/phy3250.c
+++ linux-2.6/arch/arm/mach-lpc32xx/phy3250.c@@ -226,7 +226,37 @@ static int __init phy3250_spi_board_regi } arch_initcall(phy3250_spi_board_register); +static struct pl08x_channel_data pl08x_slave_channels[] = { + { + .bus_id = "nand-slc", + .min_signal = 1, /* SLC NAND Flash */ + .max_signal = 1, + .periph_buses = PL08X_AHB1, + }, + { + .bus_id = "nand-mlc", + .min_signal = 12, /* MLC NAND Flash */ + .max_signal = 12, + .periph_buses = PL08X_AHB1, + }, +}; + +static int pl08x_get_signal(struct pl08x_dma_chan *ch) +{ + return ch->cd->min_signal; +} + +static void pl08x_put_signal(struct pl08x_dma_chan *ch) +{ +} + static struct pl08x_platform_data pl08x_pd = { + .slave_channels = &pl08x_slave_channels[0], + .num_slave_channels = ARRAY_SIZE(pl08x_slave_channels), + .get_signal = &pl08x_get_signal, + .put_signal = &pl08x_put_signal, + .lli_buses = PL08X_AHB1, + .mem_buses = PL08X_AHB1, }; static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = {