diff options
Diffstat (limited to 'arch/arm/mach-imx/iomux-v3.c')
| -rw-r--r-- | arch/arm/mach-imx/iomux-v3.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/arch/arm/mach-imx/iomux-v3.c b/arch/arm/mach-imx/iomux-v3.c index 948b610b10..8a6064da6c 100644 --- a/arch/arm/mach-imx/iomux-v3.c +++ b/arch/arm/mach-imx/iomux-v3.c @@ -15,11 +15,11 @@ * */ #include <common.h> +#include <init.h> #include <io.h> #include <mach/iomux-v3.h> -#include <mach/imx-regs.h> -static void __iomem *base = (void *)IMX_IOMUXC_BASE; +static void __iomem *base; /* * configures a single pad in the iomuxer @@ -33,6 +33,9 @@ int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t pad) u32 pad_ctrl_ofs = (pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT; u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT; + if (!base) + return -EINVAL; + debug("%s: mux 0x%08x -> 0x%04x pad: 0x%08x -> 0x%04x sel_inp: 0x%08x -> 0x%04x\n", __func__, mux_mode, mux_ctrl_ofs, pad_ctrl, pad_ctrl_ofs, sel_input, sel_input_ofs); @@ -66,3 +69,39 @@ int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count) return 0; } EXPORT_SYMBOL(mxc_iomux_v3_setup_multiple_pads); + +static int imx_iomux_probe(struct device_d *dev) +{ + base = dev_request_mem_region(dev, 0); + + return 0; +} + +static __maybe_unused struct of_device_id imx_iomux_dt_ids[] = { + { + .compatible = "fsl,imx35-iomux", + }, { + /* sentinel */ + } +}; + +static struct platform_device_id imx_iomux_ids[] = { + { + .name = "imx35-iomux", + }, { + /* sentinel */ + }, +}; + +static struct driver_d imx_iomux_driver = { + .name = "imx-iomuxv3", + .probe = imx_iomux_probe, + .of_compatible = DRV_OF_COMPAT(imx_iomux_dt_ids), + .id_table = imx_iomux_ids, +}; + +static int imx_iomux_init(void) +{ + return platform_driver_register(&imx_iomux_driver); +} +postcore_initcall(imx_iomux_init); |