From bd3d924d71a45b88941b50ddaa77aadb2ae4ded7 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Thu, 28 Mar 2013 17:35:22 +0100
Subject: [PATCH] ARM i.MX5: Add System Reset Controller (SRC) support for
i.MX51 and i.MX53
The SRC in i.MX51 and i.MX53 is similar to the one in i.MX6q minus
the IPU2 reset line and multi core CPU reset/enable bits.
Signed-off-by: Philipp Zabel
Reviewed-by: Stephen Warren
Reviewed-by: Marek Vasut
Reviewed-by: Pavel Machek
Signed-off-by: Shawn Guo
---
arch/arm/boot/dts/imx6qdl.dtsi | 2 +-
arch/arm/mach-imx/Kconfig | 2 ++
arch/arm/mach-imx/mm-imx5.c | 2 ++
arch/arm/mach-imx/src.c | 4 +++-
4 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 8b6dfd1a1b2f..8805adb7c7f6 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -520,7 +520,7 @@
};
src: src@020d8000 {
- compatible = "fsl,imx6q-src";
+ compatible = "fsl,imx6q-src", "fsl,imx51-src";
reg = <0x020d8000 0x4000>;
interrupts = <0 91 0x04 0 96 0x04>;
#reset-cells = <1>;
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 6575e4ebe26e..91571a16f986 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -149,6 +149,7 @@ config SOC_IMX5
config SOC_IMX51
bool
+ select HAVE_IMX_SRC
select PINCTRL
select PINCTRL_IMX51
select SOC_IMX5
@@ -774,6 +775,7 @@ comment "Device tree only"
config SOC_IMX53
bool "i.MX53 support"
select HAVE_CAN_FLEXCAN if CAN
+ select HAVE_IMX_SRC
select IMX_HAVE_PLATFORM_IMX2_WDT
select PINCTRL
select PINCTRL_IMX53
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index cf34994cfe28..b7c4e70e5081 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -84,6 +84,7 @@ void __init imx51_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX51);
mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
+ imx_src_init();
}
void __init imx53_init_early(void)
@@ -91,6 +92,7 @@ void __init imx53_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX53);
mxc_iomux_v3_init(MX53_IO_ADDRESS(MX53_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR));
+ imx_src_init();
}
void __init mx51_init_irq(void)
diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c
index e15f1555c59b..cef5ca7c464d 100644
--- a/arch/arm/mach-imx/src.c
+++ b/arch/arm/mach-imx/src.c
@@ -61,7 +61,9 @@ void __init imx_src_init(void)
struct device_node *np;
u32 val;
- np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src");
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx51-src");
+ if (!np)
+ return;
src_base = of_iomap(np, 0);
WARN_ON(!src_base);