mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-26 04:25:27 +08:00
6e1d521b9d
These two branches are a dependency for the at91 device tree changes, so we pull them in here. at91/base2+cleanup will get merged through the arm-soc cleanup2 branch, while the irqdomain tree will be sent by Grant before this one gets integrated. Conflicts: drivers/rtc/rtc-at91sam9.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
131 lines
4.5 KiB
C
131 lines
4.5 KiB
C
/*
|
|
* 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 int __init imx53_tzic_add_irq_domain(struct device_node *np,
|
|
struct device_node *interrupt_parent)
|
|
{
|
|
irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static int __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;
|
|
|
|
gpio_irq_base -= 32;
|
|
irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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",
|
|
"fsl,imx53",
|
|
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,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|