forked from luck/tmp_suning_uos_patched
d2a37b3d91
This patch adds basic devicetree support for i.MX31 based SoCs. Only the UART and interrupts bindings are added. Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
|
|
* Copyright 2012 Sascha Hauer, Pengutronix
|
|
*
|
|
* The code contained herein is licensed under the GNU General Public
|
|
* License. You may obtain a copy of the GNU General Public License
|
|
* Version 2 or later at the following locations:
|
|
*
|
|
* http://www.opensource.org/licenses/gpl-license.html
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*/
|
|
|
|
#include <linux/irq.h>
|
|
#include <linux/of_irq.h>
|
|
#include <linux/of_platform.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <mach/common.h>
|
|
#include <mach/mx31.h>
|
|
|
|
static const struct of_dev_auxdata imx31_auxdata_lookup[] __initconst = {
|
|
OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART1_BASE_ADDR,
|
|
"imx21-uart.0", NULL),
|
|
OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART2_BASE_ADDR,
|
|
"imx21-uart.1", NULL),
|
|
OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART3_BASE_ADDR,
|
|
"imx21-uart.2", NULL),
|
|
OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART4_BASE_ADDR,
|
|
"imx21-uart.3", NULL),
|
|
OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART5_BASE_ADDR,
|
|
"imx21-uart.4", NULL),
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
static void __init imx31_dt_init(void)
|
|
{
|
|
of_platform_populate(NULL, of_default_bus_match_table,
|
|
imx31_auxdata_lookup, NULL);
|
|
}
|
|
|
|
static void __init imx31_timer_init(void)
|
|
{
|
|
mx31_clocks_init_dt();
|
|
}
|
|
|
|
static struct sys_timer imx31_timer = {
|
|
.init = imx31_timer_init,
|
|
};
|
|
|
|
static const char *imx31_dt_board_compat[] __initdata = {
|
|
"fsl,imx31",
|
|
NULL
|
|
};
|
|
|
|
DT_MACHINE_START(IMX31_DT, "Freescale i.MX31 (Device Tree Support)")
|
|
.map_io = mx31_map_io,
|
|
.init_early = imx31_init_early,
|
|
.init_irq = mx31_init_irq,
|
|
.handle_irq = imx31_handle_irq,
|
|
.timer = &imx31_timer,
|
|
.init_machine = imx31_dt_init,
|
|
.dt_compat = imx31_dt_board_compat,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|