summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx5
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 21:02:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 21:02:35 -0700
commit367069f16e32e188d4687fe2c3e30f2ca583836f (patch)
tree977f87038b75e53af9d132cba2f7a2aecb2fa005 /arch/arm/mach-mx5
parent81a3c10ce8a7fd5bf9a06bfc38bd417512911831 (diff)
parentc72dbae971400e466ad9ff16c920cd6d9d8c55a1 (diff)
downloadop-kernel-dev-367069f16e32e188d4687fe2c3e30f2ca583836f.zip
op-kernel-dev-367069f16e32e188d4687fe2c3e30f2ca583836f.tar.gz
Merge branch 'next/dt' of git://git.linaro.org/people/arnd/arm-soc
* 'next/dt' of git://git.linaro.org/people/arnd/arm-soc: ARM: gic: use module.h instead of export.h ARM: gic: fix irq_alloc_descs handling for sparse irq ARM: gic: add OF based initialization ARM: gic: add irq_domain support irq: support domains with non-zero hwirq base of/irq: introduce of_irq_init ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support ARM: at91: dt: at91sam9g45 family and board device tree files arm/mx5: add device tree support for imx51 babbage arm/mx5: add device tree support for imx53 boards ARM: msm: Add devicetree support for msm8660-surf msm_serial: Add devicetree support msm_serial: Use relative resources for iomem Fix up conflicts in arch/arm/mach-at91/{at91sam9260.c,at91sam9g45.c}
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/Kconfig21
-rw-r--r--arch/arm/mach-mx5/Makefile3
-rw-r--r--arch/arm/mach-mx5/board-mx51_babbage.c9
-rw-r--r--arch/arm/mach-mx5/board-mx53_ard.c12
-rw-r--r--arch/arm/mach-mx5/board-mx53_evk.c9
-rw-r--r--arch/arm/mach-mx5/board-mx53_loco.c9
-rw-r--r--arch/arm/mach-mx5/board-mx53_smd.c9
-rw-r--r--arch/arm/mach-mx5/clock-mx51-mx53.c39
-rw-r--r--arch/arm/mach-mx5/imx51-dt.c116
-rw-r--r--arch/arm/mach-mx5/imx53-dt.c126
10 files changed, 341 insertions, 12 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 3d4c313..af0c212 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -56,6 +56,15 @@ config MACH_MX50_RDP
comment "i.MX51 machines:"
+config MACH_IMX51_DT
+ bool "Support i.MX51 platforms from device tree"
+ select SOC_IMX51
+ select USE_OF
+ select MACH_MX51_BABBAGE
+ help
+ Include support for Freescale i.MX51 based platforms
+ using the device tree for discovery
+
config MACH_MX51_BABBAGE
bool "Support MX51 BABBAGE platforms"
select SOC_IMX51
@@ -171,6 +180,18 @@ config MACH_MX51_EFIKASB
comment "i.MX53 machines:"
+config MACH_IMX53_DT
+ bool "Support i.MX53 platforms from device tree"
+ select SOC_IMX53
+ select USE_OF
+ select MACH_MX53_ARD
+ select MACH_MX53_EVK
+ select MACH_MX53_LOCO
+ select MACH_MX53_SMD
+ help
+ Include support for Freescale i.MX53 based platforms
+ using the device tree for discovery
+
config MACH_MX53_EVK
bool "Support MX53 EVK platforms"
select SOC_IMX53
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 9565304..0fc6080 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -21,3 +21,6 @@ obj-$(CONFIG_MX51_EFIKA_COMMON) += mx51_efika.o
obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o
obj-$(CONFIG_MACH_MX51_EFIKASB) += board-mx51_efikasb.o
obj-$(CONFIG_MACH_MX50_RDP) += board-mx50_rdp.o
+
+obj-$(CONFIG_MACH_IMX51_DT) += imx51-dt.o
+obj-$(CONFIG_MACH_IMX53_DT) += imx53-dt.o
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 5993208..5c837603 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -349,6 +349,12 @@ static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = {
.wp_type = ESDHC_WP_GPIO,
};
+void __init imx51_babbage_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
+ ARRAY_SIZE(mx51babbage_pads));
+}
+
/*
* Board specific initialization.
*/
@@ -363,8 +369,7 @@ static void __init mx51_babbage_init(void)
#if defined(CONFIG_CPU_FREQ_IMX)
get_cpu_op = mx51_get_cpu_op;
#endif
- mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
- ARRAY_SIZE(mx51babbage_pads));
+ imx51_babbage_common_init();
imx51_add_imx_uart(0, &uart_pdata);
imx51_add_imx_uart(1, NULL);
diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c
index 614edcb..0d7f0ff 100644
--- a/arch/arm/mach-mx5/board-mx53_ard.c
+++ b/arch/arm/mach-mx5/board-mx53_ard.c
@@ -171,9 +171,6 @@ static struct imxi2c_platform_data mx53_ard_i2c3_data = {
static void __init mx53_ard_io_init(void)
{
- mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
- ARRAY_SIZE(mx53_ard_pads));
-
gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
gpio_direction_input(ARD_ETHERNET_INT_B);
@@ -216,6 +213,13 @@ static int weim_cs_config(void)
return 0;
}
+void __init imx53_ard_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
+ ARRAY_SIZE(mx53_ard_pads));
+ weim_cs_config();
+}
+
static struct platform_device *devices[] __initdata = {
&ard_smsc_lan9220_device,
};
@@ -225,8 +229,8 @@ static void __init mx53_ard_board_init(void)
imx53_soc_init();
imx53_add_imx_uart(0, NULL);
+ imx53_ard_common_init();
mx53_ard_io_init();
- weim_cs_config();
platform_add_devices(devices, ARRAY_SIZE(devices));
imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data);
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 6a3e616..6bea31a 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -131,12 +131,17 @@ static const struct spi_imx_master mx53_evk_spi_data __initconst = {
.num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
};
+void __init imx53_evk_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
+ ARRAY_SIZE(mx53_evk_pads));
+}
+
static void __init mx53_evk_board_init(void)
{
imx53_soc_init();
+ imx53_evk_common_init();
- mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
- ARRAY_SIZE(mx53_evk_pads));
mx53_evk_init_uart();
mx53_evk_fec_reset();
imx53_add_fec(&mx53_evk_fec_pdata);
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 0af2766..7678f77 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -263,6 +263,12 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
.num_leds = ARRAY_SIZE(mx53loco_leds),
};
+void __init imx53_qsb_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
+ ARRAY_SIZE(mx53_loco_pads));
+}
+
static struct i2c_board_info mx53loco_i2c_devices[] = {
{
I2C_BOARD_INFO("mma8450", 0x1C),
@@ -273,9 +279,8 @@ static void __init mx53_loco_board_init(void)
{
int ret;
imx53_soc_init();
+ imx53_qsb_common_init();
- mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
- ARRAY_SIZE(mx53_loco_pads));
imx53_add_imx_uart(0, NULL);
mx53_loco_fec_reset();
imx53_add_fec(&mx53_loco_fec_data);
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index d12fd30..59c0845 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -125,12 +125,17 @@ static inline void mx53_smd_ahci_pwr_on(void)
}
}
+void __init imx53_smd_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
+ ARRAY_SIZE(mx53_smd_pads));
+}
+
static void __init mx53_smd_board_init(void)
{
imx53_soc_init();
+ imx53_smd_common_init();
- mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
- ARRAY_SIZE(mx53_smd_pads));
mx53_smd_init_uart();
mx53_smd_fec_reset();
imx53_add_fec(&mx53_smd_fec_data);
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index b94879e..2aacf41 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/clkdev.h>
+#include <linux/of.h>
#include <asm/div64.h>
@@ -1632,3 +1633,41 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc,
MX53_INT_GPT);
return 0;
}
+
+static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc,
+ unsigned long *ckih1, unsigned long *ckih2)
+{
+ struct device_node *np;
+
+ /* retrieve the freqency of fixed clocks from device tree */
+ for_each_compatible_node(np, NULL, "fixed-clock") {
+ u32 rate;
+ if (of_property_read_u32(np, "clock-frequency", &rate))
+ continue;
+
+ if (of_device_is_compatible(np, "fsl,imx-ckil"))
+ *ckil = rate;
+ else if (of_device_is_compatible(np, "fsl,imx-osc"))
+ *osc = rate;
+ else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
+ *ckih1 = rate;
+ else if (of_device_is_compatible(np, "fsl,imx-ckih2"))
+ *ckih2 = rate;
+ }
+}
+
+int __init mx51_clocks_init_dt(void)
+{
+ unsigned long ckil, osc, ckih1, ckih2;
+
+ clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
+ return mx51_clocks_init(ckil, osc, ckih1, ckih2);
+}
+
+int __init mx53_clocks_init_dt(void)
+{
+ unsigned long ckil, osc, ckih1, ckih2;
+
+ clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
+ return mx53_clocks_init(ckil, osc, ckih1, ckih2);
+}
diff --git a/arch/arm/mach-mx5/imx51-dt.c b/arch/arm/mach-mx5/imx51-dt.c
new file mode 100644
index 0000000..ccc6158
--- /dev/null
+++ b/arch/arm/mach-mx5/imx51-dt.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/common.h>
+#include <mach/mx51.h>
+
+/*
+ * Lookup table for attaching a specific name and platform_data pointer to
+ * devices as they get created by of_platform_populate(). Ideally this table
+ * would not exist, but the current clock implementation depends on some devices
+ * having a specific name.
+ */
+static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = {
+ OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART1_BASE_ADDR, "imx21-uart.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART2_BASE_ADDR, "imx21-uart.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART3_BASE_ADDR, "imx21-uart.2", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-fec", MX51_FEC_BASE_ADDR, "imx27-fec.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx51.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx51.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx51.2", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx51.3", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-cspi", MX51_CSPI_BASE_ADDR, "imx35-cspi.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-sdma", MX51_SDMA_BASE_ADDR, "imx35-sdma", NULL),
+ OF_DEV_AUXDATA("fsl,imx51-wdt", MX51_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL),
+ { /* sentinel */ }
+};
+
+static void __init imx51_tzic_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ irq_domain_add_simple(np, 0);
+}
+
+static void __init imx51_gpio_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
+ 32 * 4; /* imx51 gets 4 gpio ports */
+
+ irq_domain_add_simple(np, gpio_irq_base);
+ gpio_irq_base += 32;
+}
+
+static const struct of_device_id imx51_irq_match[] __initconst = {
+ { .compatible = "fsl,imx51-tzic", .data = imx51_tzic_add_irq_domain, },
+ { .compatible = "fsl,imx51-gpio", .data = imx51_gpio_add_irq_domain, },
+ { /* sentinel */ }
+};
+
+static const struct of_device_id imx51_iomuxc_of_match[] __initconst = {
+ { .compatible = "fsl,imx51-iomuxc-babbage", .data = imx51_babbage_common_init, },
+ { /* sentinel */ }
+};
+
+static void __init imx51_dt_init(void)
+{
+ struct device_node *node;
+ const struct of_device_id *of_id;
+ void (*func)(void);
+
+ of_irq_init(imx51_irq_match);
+
+ node = of_find_matching_node(NULL, imx51_iomuxc_of_match);
+ if (node) {
+ of_id = of_match_node(imx51_iomuxc_of_match, node);
+ func = of_id->data;
+ func();
+ of_node_put(node);
+ }
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ imx51_auxdata_lookup, NULL);
+}
+
+static void __init imx51_timer_init(void)
+{
+ mx51_clocks_init_dt();
+}
+
+static struct sys_timer imx51_timer = {
+ .init = imx51_timer_init,
+};
+
+static const char *imx51_dt_board_compat[] __initdata = {
+ "fsl,imx51-babbage",
+ NULL
+};
+
+DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)")
+ .map_io = mx51_map_io,
+ .init_early = imx51_init_early,
+ .init_irq = mx51_init_irq,
+ .handle_irq = imx51_handle_irq,
+ .timer = &imx51_timer,
+ .init_machine = imx51_dt_init,
+ .dt_compat = imx51_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c
new file mode 100644
index 0000000..ccaa0b8
--- /dev/null
+++ b/arch/arm/mach-mx5/imx53-dt.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/common.h>
+#include <mach/mx53.h>
+
+/*
+ * Lookup table for attaching a specific name and platform_data pointer to
+ * devices as they get created by of_platform_populate(). Ideally this table
+ * would not exist, but the current clock implementation depends on some devices
+ * having a specific name.
+ */
+static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = {
+ OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART1_BASE_ADDR, "imx21-uart.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART2_BASE_ADDR, "imx21-uart.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART3_BASE_ADDR, "imx21-uart.2", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART4_BASE_ADDR, "imx21-uart.3", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART5_BASE_ADDR, "imx21-uart.4", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-fec", MX53_FEC_BASE_ADDR, "imx25-fec.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx53.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx53.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx53.2", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx53.3", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-cspi", MX53_CSPI_BASE_ADDR, "imx35-cspi.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C3_BASE_ADDR, "imx-i2c.2", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-sdma", MX53_SDMA_BASE_ADDR, "imx35-sdma", NULL),
+ OF_DEV_AUXDATA("fsl,imx53-wdt", MX53_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL),
+ { /* sentinel */ }
+};
+
+static void __init imx53_tzic_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ irq_domain_add_simple(np, 0);
+}
+
+static void __init imx53_gpio_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
+ 32 * 7; /* imx53 gets 7 gpio ports */
+
+ irq_domain_add_simple(np, gpio_irq_base);
+ gpio_irq_base += 32;
+}
+
+static const struct of_device_id imx53_irq_match[] __initconst = {
+ { .compatible = "fsl,imx53-tzic", .data = imx53_tzic_add_irq_domain, },
+ { .compatible = "fsl,imx53-gpio", .data = imx53_gpio_add_irq_domain, },
+ { /* sentinel */ }
+};
+
+static const struct of_device_id imx53_iomuxc_of_match[] __initconst = {
+ { .compatible = "fsl,imx53-iomuxc-ard", .data = imx53_ard_common_init, },
+ { .compatible = "fsl,imx53-iomuxc-evk", .data = imx53_evk_common_init, },
+ { .compatible = "fsl,imx53-iomuxc-qsb", .data = imx53_qsb_common_init, },
+ { .compatible = "fsl,imx53-iomuxc-smd", .data = imx53_smd_common_init, },
+ { /* sentinel */ }
+};
+
+static void __init imx53_dt_init(void)
+{
+ struct device_node *node;
+ const struct of_device_id *of_id;
+ void (*func)(void);
+
+ of_irq_init(imx53_irq_match);
+
+ node = of_find_matching_node(NULL, imx53_iomuxc_of_match);
+ if (node) {
+ of_id = of_match_node(imx53_iomuxc_of_match, node);
+ func = of_id->data;
+ func();
+ of_node_put(node);
+ }
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ imx53_auxdata_lookup, NULL);
+}
+
+static void __init imx53_timer_init(void)
+{
+ mx53_clocks_init_dt();
+}
+
+static struct sys_timer imx53_timer = {
+ .init = imx53_timer_init,
+};
+
+static const char *imx53_dt_board_compat[] __initdata = {
+ "fsl,imx53-ard",
+ "fsl,imx53-evk",
+ "fsl,imx53-qsb",
+ "fsl,imx53-smd",
+ NULL
+};
+
+DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)")
+ .map_io = mx53_map_io,
+ .init_early = imx53_init_early,
+ .init_irq = mx53_init_irq,
+ .handle_irq = imx53_handle_irq,
+ .timer = &imx53_timer,
+ .init_machine = imx53_dt_init,
+ .dt_compat = imx53_dt_board_compat,
+MACHINE_END
OpenPOWER on IntegriCloud