diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6ul.c')
-rw-r--r-- | arch/arm/mach-imx/mach-imx6ul.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6ul.c b/arch/arm/mach-imx/mach-imx6ul.c new file mode 100644 index 000000000..35e81201c --- /dev/null +++ b/arch/arm/mach-imx/mach-imx6ul.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + */ +#include <linux/irqchip.h> +#include <linux/mfd/syscon.h> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> +#include <linux/micrel_phy.h> +#include <linux/of_platform.h> +#include <linux/phy.h> +#include <linux/regmap.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "common.h" +#include "cpuidle.h" +#include "hardware.h" + +static void __init imx6ul_enet_clk_init(void) +{ + struct regmap *gpr; + + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr"); + if (!IS_ERR(gpr)) + regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR, + IMX6UL_GPR1_ENET_CLK_OUTPUT); + else + pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n"); +} + +static inline void imx6ul_enet_init(void) +{ + imx6ul_enet_clk_init(); +} + +static void __init imx6ul_init_machine(void) +{ + imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL", + imx_get_soc_revision()); + + of_platform_default_populate(NULL, NULL, NULL); + imx6ul_enet_init(); + imx_anatop_init(); + imx6ul_pm_init(); +} + +static void __init imx6ul_init_irq(void) +{ + imx_init_revision_from_anatop(); + imx_src_init(); + irqchip_init(); + imx6_pm_ccm_init("fsl,imx6ul-ccm"); +} + +static void __init imx6ul_init_late(void) +{ + imx6sx_cpuidle_init(); + + if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) + platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0); +} + +static const char * const imx6ul_dt_compat[] __initconst = { + "fsl,imx6ul", + "fsl,imx6ull", + NULL, +}; + +DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)") + .init_irq = imx6ul_init_irq, + .init_machine = imx6ul_init_machine, + .init_late = imx6ul_init_late, + .dt_compat = imx6ul_dt_compat, +MACHINE_END |