From 24980dc810f2c41929a50277946737e25ab3c0cd Mon Sep 17 00:00:00 2001
From: Alexander Shiyan <shc_work@mail.ru>
Date: Sat, 26 Jul 2014 13:45:28 +0400
Subject: [PATCH] ARM: i.MX1: Add devicetree support
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>
---
arch/arm/mach-imx/Kconfig | 8 ++++++++
arch/arm/mach-imx/Makefile | 1 +
arch/arm/mach-imx/imx1-dt.c | 26 ++++++++++++++++++++++++++
3 files changed, 35 insertions(+)
create mode 100644 arch/arm/mach-imx/imx1-dt.c
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 4e9b4f63d42b2..11b2957f792ba 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -69,6 +69,7 @@ config SOC_IMX1
select CPU_ARM920T
select IMX_HAVE_IOMUX_V1
select MXC_AVIC
+ select PINCTRL_IMX1
config SOC_IMX21
bool
@@ -124,6 +125,13 @@ config MACH_APF9328
help
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
if ARCH_MULTI_V5
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 4147729775d23..ef215d108e4d2 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -43,6 +43,7 @@ endif
# i.MX1 based machines
obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o
obj-$(CONFIG_MACH_APF9328) += mach-apf9328.o
+obj-$(CONFIG_MACH_IMX1_DT) += imx1-dt.o
# i.MX21 based machines
obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
diff --git a/arch/arm/mach-imx/imx1-dt.c b/arch/arm/mach-imx/imx1-dt.c
new file mode 100644
index 0000000000000..6f915b0961c4a
--- /dev/null
+++ b/arch/arm/mach-imx/imx1-dt.c
@@ -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
--
2.30.2