| Dong Aisheng | bc3a59c | 2012-03-31 21:26:57 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2012 Freescale Semiconductor, Inc. |
| 3 | * Copyright 2012 Linaro Ltd. |
| 4 | * |
| 5 | * The code contained herein is licensed under the GNU General Public |
| 6 | * License. You may obtain a copy of the GNU General Public License |
| 7 | * Version 2 or later at the following locations: |
| 8 | * |
| 9 | * http://www.opensource.org/licenses/gpl-license.html |
| 10 | * http://www.gnu.org/copyleft/gpl.html |
| 11 | */ |
| 12 | |
| 13 | #include <linux/clk.h> |
| 14 | #include <linux/clkdev.h> |
| 15 | #include <linux/err.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/init.h> |
| 18 | #include <linux/irqdomain.h> |
| 19 | #include <linux/of_irq.h> |
| 20 | #include <linux/of_platform.h> |
| 21 | #include <asm/mach/arch.h> |
| 22 | #include <asm/mach/time.h> |
| 23 | #include <mach/common.h> |
| 24 | |
| 25 | static int __init mxs_icoll_add_irq_domain(struct device_node *np, |
| 26 | struct device_node *interrupt_parent) |
| 27 | { |
| 28 | irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL); |
| 29 | |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | static const struct of_device_id mxs_irq_match[] __initconst = { |
| 34 | { .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, }, |
| 35 | { /* sentinel */ } |
| 36 | }; |
| 37 | |
| 38 | static void __init mxs_dt_init_irq(void) |
| 39 | { |
| 40 | icoll_init_irq(); |
| 41 | of_irq_init(mxs_irq_match); |
| 42 | } |
| 43 | |
| 44 | static void __init imx28_timer_init(void) |
| 45 | { |
| 46 | mx28_clocks_init(); |
| 47 | } |
| 48 | |
| 49 | static struct sys_timer imx28_timer = { |
| 50 | .init = imx28_timer_init, |
| 51 | }; |
| 52 | |
| 53 | static void __init imx28_evk_init(void) |
| 54 | { |
| 55 | struct clk *clk; |
| 56 | |
| 57 | /* Enable fec phy clock */ |
| 58 | clk = clk_get_sys("enet_out", NULL); |
| 59 | if (!IS_ERR(clk)) |
| 60 | clk_prepare_enable(clk); |
| 61 | } |
| 62 | |
| 63 | static void __init mxs_machine_init(void) |
| 64 | { |
| 65 | if (of_machine_is_compatible("fsl,imx28-evk")) |
| 66 | imx28_evk_init(); |
| 67 | |
| 68 | of_platform_populate(NULL, of_default_bus_match_table, |
| 69 | NULL, NULL); |
| 70 | } |
| 71 | |
| 72 | static const char *imx28_dt_compat[] __initdata = { |
| 73 | "fsl,imx28-evk", |
| 74 | "fsl,imx28", |
| 75 | NULL, |
| 76 | }; |
| 77 | |
| 78 | DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)") |
| 79 | .map_io = mx28_map_io, |
| 80 | .init_irq = mxs_dt_init_irq, |
| 81 | .timer = &imx28_timer, |
| 82 | .init_machine = mxs_machine_init, |
| 83 | .dt_compat = imx28_dt_compat, |
| 84 | .restart = mxs_restart, |
| 85 | MACHINE_END |