@@ -1,6 +1,10 @@
Freescale i.MX Platforms Device Tree Bindings
-----------------------------------------------
+i.MX23 Evaluation Kit
+Required root node properties:
+ - compatible = "fsl,imx23-evk", "fsl,imx23";
+
i.MX28 Evaluation Kit
Required root node properties:
- compatible = "fsl,imx28-evk", "fsl,imx28";
@@ -21,6 +21,7 @@ comment "MXS platforms:"
config MACH_MXS_DT
bool "Support MXS platforms from device tree"
+ select SOC_IMX23
select SOC_IMX28
select USE_OF
help
@@ -440,6 +440,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
_REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk)
+ /* for DT */
+ _REGISTER_CLOCK("80070000.serial", NULL, uart_clk)
};
static int clk_misc_init(void)
@@ -37,6 +37,15 @@ static void __init mxs_dt_init_irq(void)
of_irq_init(mxs_irq_match);
}
+static void __init imx23_timer_init(void)
+{
+ mx23_clocks_init();
+}
+
+static struct sys_timer imx23_timer = {
+ .init = imx23_timer_init,
+};
+
static void __init imx28_timer_init(void)
{
mx28_clocks_init();
@@ -52,12 +61,27 @@ static void __init mxs_machine_init(void)
NULL, NULL);
}
+static const char *imx23_dt_compat[] __initdata = {
+ "fsl,imx23-evk",
+ "fsl,imx23",
+ NULL,
+};
+
static const char *imx28_dt_compat[] __initdata = {
"fsl,imx28-evk",
"fsl,imx28",
NULL,
};
+DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)")
+ .map_io = mx23_map_io,
+ .init_irq = mxs_dt_init_irq,
+ .timer = &imx23_timer,
+ .init_machine = mxs_machine_init,
+ .dt_compat = imx23_dt_compat,
+ .restart = mxs_restart,
+MACHINE_END
+
DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")
.map_io = mx28_map_io,
.init_irq = mxs_dt_init_irq,
It adds initial device tree support for imx23-evk board, and only serial console is enabled. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> --- Documentation/devicetree/bindings/arm/fsl.txt | 4 ++++ arch/arm/mach-mxs/Kconfig | 1 + arch/arm/mach-mxs/clock-mx23.c | 2 ++ arch/arm/mach-mxs/mach-mxs.c | 24 ++++++++++++++++++++++++ 4 files changed, 31 insertions(+), 0 deletions(-)