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ARM: i.MX1: Add devicetree support

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This patch adds basic devicetree support for i.MX1 based SoCs.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
This commit is contained in:
Alexander Shiyan 2014-07-26 13:45:28 +04:00 committed by Shawn Guo
parent c896e93850
commit 24980dc810
3 changed files with 35 additions and 0 deletions
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8
arch/arm/mach-imx/Kconfig
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@ -69,6 +69,7 @@ config SOC_IMX1
select CPU_ARM920T select CPU_ARM920T
select IMX_HAVE_IOMUX_V1 select IMX_HAVE_IOMUX_V1
select MXC_AVIC select MXC_AVIC
select PINCTRL_IMX1
config SOC_IMX21 config SOC_IMX21
bool bool
@ -124,6 +125,13 @@ config MACH_APF9328
help help
Say Yes here if you are using the Armadeus APF9328 development board Say Yes here if you are using the Armadeus APF9328 development board
config MACH_IMX1_DT
bool "Support i.MX1 platforms from device tree"
select SOC_IMX1
help
Include support for Freescale i.MX1 based platforms
using the device tree for discovery.
endif endif
if ARCH_MULTI_V5 if ARCH_MULTI_V5

1
arch/arm/mach-imx/Makefile
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@ -43,6 +43,7 @@ endif
# i.MX1 based machines # i.MX1 based machines
obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o
obj-$(CONFIG_MACH_APF9328) += mach-apf9328.o obj-$(CONFIG_MACH_APF9328) += mach-apf9328.o
obj-$(CONFIG_MACH_IMX1_DT) += imx1-dt.o
# i.MX21 based machines # i.MX21 based machines
obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o

26
arch/arm/mach-imx/imx1-dt.c Normal file
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@ -0,0 +1,26 @@
/*
* Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include "common.h"
static const char * const imx1_dt_board_compat[] __initconst = {
"fsl,imx1",
NULL
};
DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
.map_io = mx1_map_io,
.init_early = imx1_init_early,
.init_irq = mx1_init_irq,
.dt_compat = imx1_dt_board_compat,
.restart = mxc_restart,
MACHINE_END