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 <p.zabel@pengutronix.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 6575e4e..91571a1 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -149,6 +149,7 @@
config SOC_IMX51
bool
+ select HAVE_IMX_SRC
select PINCTRL
select PINCTRL_IMX51
select SOC_IMX5
@@ -774,6 +775,7 @@
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 cf34994..b7c4e70 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -84,6 +84,7 @@
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 @@
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 e15f155..cef5ca7 100644
--- a/arch/arm/mach-imx/src.c
+++ b/arch/arm/mach-imx/src.c
@@ -61,7 +61,9 @@
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);