1/*
2 * Copyright 2013 Freescale Semiconductor, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 */
9
10#include <linux/irqchip.h>
11#include <linux/of.h>
12#include <linux/of_platform.h>
13#include <linux/mfd/syscon.h>
14#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
15#include <linux/regmap.h>
16#include <asm/mach/arch.h>
17#include <asm/mach/map.h>
18
19#include "common.h"
20#include "cpuidle.h"
21
22static void __init imx6sl_fec_init(void)
23{
24	struct regmap *gpr;
25
26	/* set FEC clock from internal PLL clock source */
27	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr");
28	if (!IS_ERR(gpr)) {
29		regmap_update_bits(gpr, IOMUXC_GPR1,
30			IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0);
31		regmap_update_bits(gpr, IOMUXC_GPR1,
32			IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0);
33	} else {
34		pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n");
35	}
36}
37
38static void __init imx6sl_init_late(void)
39{
40	/* imx6sl reuses imx6q cpufreq driver */
41	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
42		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
43
44	imx6sl_cpuidle_init();
45}
46
47static void __init imx6sl_init_machine(void)
48{
49	struct device *parent;
50
51	parent = imx_soc_device_init();
52	if (parent == NULL)
53		pr_warn("failed to initialize soc device\n");
54
55	of_platform_populate(NULL, of_default_bus_match_table, NULL, parent);
56
57	imx6sl_fec_init();
58	imx_anatop_init();
59	imx6sl_pm_init();
60}
61
62static void __init imx6sl_init_irq(void)
63{
64	imx_gpc_check_dt();
65	imx_init_revision_from_anatop();
66	imx_init_l2cache();
67	imx_src_init();
68	irqchip_init();
69	imx6_pm_ccm_init("fsl,imx6sl-ccm");
70}
71
72static const char * const imx6sl_dt_compat[] __initconst = {
73	"fsl,imx6sl",
74	NULL,
75};
76
77DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
78	.init_irq	= imx6sl_init_irq,
79	.init_machine	= imx6sl_init_machine,
80	.init_late      = imx6sl_init_late,
81	.dt_compat	= imx6sl_dt_compat,
82MACHINE_END
83