diff options
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-imx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/clk-imx35.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-imx/imx35-dt.c | 50 |
4 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index d511e054654..b0c6eb35a32 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -126,6 +126,7 @@ config SOC_IMX35 select HAVE_EPIT select MXC_AVIC select SMP_ON_UP if SMP + select PINCTRL config SOC_IMX5 bool @@ -611,6 +612,13 @@ config MACH_IMX31_DT comment "MX35 platforms:" +config MACH_IMX35_DT + bool "Support i.MX35 platforms from device tree" + select SOC_IMX35 + help + Include support for Freescale i.MX35 based platforms + using the device tree for discovery. + config MACH_PCM043 bool "Support Phytec pcm043 (i.MX35) platforms" select IMX_HAVE_PLATFORM_FLEXCAN diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 0db16972839..befcaf5d057 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -89,6 +89,7 @@ obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o +obj-$(CONFIG_MACH_IMX35_DT) += imx35-dt.o obj-$(CONFIG_HAVE_IMX_ANATOP) += anatop.o obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c index 2193c834f55..a4d5e425cd8 100644 --- a/arch/arm/mach-imx/clk-imx35.c +++ b/arch/arm/mach-imx/clk-imx35.c @@ -45,6 +45,8 @@ static struct arm_ahb_div clk_consumer[] = { static char hsp_div_532[] = { 4, 8, 3, 0 }; static char hsp_div_400[] = { 3, 6, 3, 0 }; +static struct clk_onecell_data clk_data; + static const char *std_sel[] = {"ppll", "arm"}; static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"}; @@ -286,3 +288,15 @@ int __init mx35_clocks_init(void) return 0; } + +static int __init mx35_clocks_init_dt(struct device_node *ccm_node) +{ + clk_data.clks = clk; + clk_data.clk_num = ARRAY_SIZE(clk); + of_clk_add_provider(ccm_node, of_clk_src_onecell_get, &clk_data); + + mx35_clocks_init(); + + return 0; +} +CLK_OF_DECLARE(imx35, "fsl,imx35-ccm", mx35_clocks_init_dt); diff --git a/arch/arm/mach-imx/imx35-dt.c b/arch/arm/mach-imx/imx35-dt.c new file mode 100644 index 00000000000..9d48e0065a6 --- /dev/null +++ b/arch/arm/mach-imx/imx35-dt.c @@ -0,0 +1,50 @@ +/* + * Copyright 2012 Steffen Trumtrar, Pengutronix + * + * based on imx27-dt.c + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ + +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/clk-provider.h> +#include <linux/clocksource.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/hardware/cache-l2x0.h> +#include "common.h" +#include "mx35.h" + +static void __init imx35_dt_init(void) +{ + mxc_arch_reset_init_dt(); + + of_platform_populate(NULL, of_default_bus_match_table, + NULL, NULL); +} + +static void __init imx35_irq_init(void) +{ + imx_init_l2cache(); + mx35_init_irq(); +} + +static const char *imx35_dt_board_compat[] __initconst = { + "fsl,imx35", + NULL +}; + +DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)") + .map_io = mx35_map_io, + .init_early = imx35_init_early, + .init_irq = imx35_irq_init, + .handle_irq = imx35_handle_irq, + .init_machine = imx35_dt_init, + .dt_compat = imx35_dt_board_compat, + .restart = mxc_restart, +MACHINE_END |