Commit 3baa4fee authored by Shawn Guo's avatar Shawn Guo Committed by Sascha Hauer
Browse files

ARM: mxs: add dma device


Signed-off-by: default avatarShawn Guo <shawn.guo@freescale.com>
Tested-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 4ca94366
......@@ -444,7 +444,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("duart", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK(NULL, "hclk", hbus_clk)
_REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
_REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
_REGISTER_CLOCK(NULL, "usb", usb_clk)
_REGISTER_CLOCK(NULL, "audio", audio_clk)
_REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk)
......
......@@ -616,8 +616,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-auart.4", NULL, uart_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK("pll2", NULL, pll2_clk)
_REGISTER_CLOCK(NULL, "hclk", hbus_clk)
_REGISTER_CLOCK(NULL, "xclk", xbus_clk)
_REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
_REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can0_clk)
_REGISTER_CLOCK("flexcan.1", NULL, can1_clk)
_REGISTER_CLOCK(NULL, "usb0", usb0_clk)
......
obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
obj-y += platform-dma.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
......
/*
* Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/init.h>
#include <mach/mx23.h>
#include <mach/mx28.h>
#include <mach/devices-common.h>
static struct platform_device *__init mxs_add_dma(const char *devid,
resource_size_t base)
{
struct resource res[] = {
{
.start = base,
.end = base + SZ_8K - 1,
.flags = IORESOURCE_MEM,
}
};
return mxs_add_platform_device_dmamask(devid, -1,
res, ARRAY_SIZE(res), NULL, 0,
DMA_BIT_MASK(32));
}
static int __init mxs_add_mxs_dma(void)
{
char *apbh = "mxs-dma-apbh";
char *apbx = "mxs-dma-apbx";
if (cpu_is_mx23()) {
mxs_add_dma(apbh, MX23_APBH_DMA_BASE_ADDR);
mxs_add_dma(apbx, MX23_APBX_DMA_BASE_ADDR);
}
if (cpu_is_mx28()) {
mxs_add_dma(apbh, MX28_APBH_DMA_BASE_ADDR);
mxs_add_dma(apbx, MX28_APBX_DMA_BASE_ADDR);
}
return 0;
}
arch_initcall(mxs_add_mxs_dma);
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