Merge tag 'iomap-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
[linux-2.6-microblaze.git] / arch / arm / mach-imx / mach-imx6sl.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright 2013 Freescale Semiconductor, Inc.
4  */
5
6 #include <linux/irqchip.h>
7 #include <linux/of_platform.h>
8 #include <linux/mfd/syscon.h>
9 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
10 #include <linux/regmap.h>
11 #include <asm/mach/arch.h>
12 #include <asm/mach/map.h>
13
14 #include "common.h"
15 #include "cpuidle.h"
16 #include "hardware.h"
17
18 static void __init imx6sl_fec_init(void)
19 {
20         struct regmap *gpr;
21
22         /* set FEC clock from internal PLL clock source */
23         gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr");
24         if (!IS_ERR(gpr)) {
25                 regmap_update_bits(gpr, IOMUXC_GPR1,
26                         IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0);
27                 regmap_update_bits(gpr, IOMUXC_GPR1,
28                         IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0);
29         } else {
30                 pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n");
31         }
32 }
33
34 static void __init imx6sl_init_late(void)
35 {
36         /* imx6sl reuses imx6q cpufreq driver */
37         if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
38                 platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
39
40         if (IS_ENABLED(CONFIG_SOC_IMX6SL) && cpu_is_imx6sl())
41                 imx6sl_cpuidle_init();
42         else if (IS_ENABLED(CONFIG_SOC_IMX6SLL))
43                 imx6sx_cpuidle_init();
44 }
45
46 static void __init imx6sl_init_machine(void)
47 {
48         of_platform_default_populate(NULL, NULL, NULL);
49
50         if (cpu_is_imx6sl())
51                 imx6sl_fec_init();
52         imx_anatop_init();
53         imx6sl_pm_init();
54 }
55
56 static void __init imx6sl_init_irq(void)
57 {
58         imx_gpc_check_dt();
59         imx_init_revision_from_anatop();
60         imx_init_l2cache();
61         imx_src_init();
62         irqchip_init();
63         if (cpu_is_imx6sl())
64                 imx6_pm_ccm_init("fsl,imx6sl-ccm");
65         else
66                 imx6_pm_ccm_init("fsl,imx6sll-ccm");
67 }
68
69 static const char * const imx6sl_dt_compat[] __initconst = {
70         "fsl,imx6sl",
71         "fsl,imx6sll",
72         NULL,
73 };
74
75 DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
76         .l2c_aux_val    = 0,
77         .l2c_aux_mask   = ~0,
78         .init_irq       = imx6sl_init_irq,
79         .init_machine   = imx6sl_init_machine,
80         .init_late      = imx6sl_init_late,
81         .dt_compat      = imx6sl_dt_compat,
82 MACHINE_END