1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
4 */
5 #include <linux/irqchip.h>
6 #include <linux/mfd/syscon.h>
7 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
8 #include <linux/micrel_phy.h>
9 #include <linux/of_platform.h>
10 #include <linux/phy.h>
11 #include <linux/regmap.h>
12 #include <asm/mach/arch.h>
13 #include <asm/mach/map.h>
14
15 #include "common.h"
16 #include "cpuidle.h"
17 #include "hardware.h"
18
imx6ul_enet_clk_init(void)19 static void __init imx6ul_enet_clk_init(void)
20 {
21 struct regmap *gpr;
22
23 gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
24 if (!IS_ERR(gpr))
25 regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
26 IMX6UL_GPR1_ENET_CLK_OUTPUT);
27 else
28 pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
29 }
30
imx6ul_enet_init(void)31 static inline void imx6ul_enet_init(void)
32 {
33 imx6ul_enet_clk_init();
34 }
35
imx6ul_init_machine(void)36 static void __init imx6ul_init_machine(void)
37 {
38 imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL",
39 imx_get_soc_revision());
40
41 of_platform_default_populate(NULL, NULL, NULL);
42 imx6ul_enet_init();
43 imx_anatop_init();
44 imx6ul_pm_init();
45 }
46
imx6ul_init_irq(void)47 static void __init imx6ul_init_irq(void)
48 {
49 imx_init_revision_from_anatop();
50 imx_src_init();
51 irqchip_init();
52 imx6_pm_ccm_init("fsl,imx6ul-ccm");
53 }
54
imx6ul_init_late(void)55 static void __init imx6ul_init_late(void)
56 {
57 imx6sx_cpuidle_init();
58
59 if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
60 platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
61 }
62
63 static const char * const imx6ul_dt_compat[] __initconst = {
64 "fsl,imx6ul",
65 "fsl,imx6ull",
66 NULL,
67 };
68
69 DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
70 .init_irq = imx6ul_init_irq,
71 .init_machine = imx6ul_init_machine,
72 .init_late = imx6ul_init_late,
73 .dt_compat = imx6ul_dt_compat,
74 MACHINE_END
75