diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/iomux-v3.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/iomux-v3.h | 65 |
1 files changed, 41 insertions, 24 deletions
diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h index 0880a4a1aed..82620af1922 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-v3.h +++ b/arch/arm/plat-mxc/include/mach/iomux-v3.h @@ -42,28 +42,44 @@ * If <padname> or <padmode> refers to a GPIO, it is named * GPIO_<unit>_<num> * - */ - -struct pad_desc { - unsigned mux_ctrl_ofs:12; /* IOMUXC_SW_MUX_CTL_PAD offset */ - unsigned mux_mode:8; - unsigned pad_ctrl_ofs:12; /* IOMUXC_SW_PAD_CTRL offset */ -#define NO_PAD_CTRL (1 << 16) - unsigned pad_ctrl:17; - unsigned select_input_ofs:12; /* IOMUXC_SELECT_INPUT offset */ - unsigned select_input:3; -}; - -#define IOMUX_PAD(_pad_ctrl_ofs, _mux_ctrl_ofs, _mux_mode, _select_input_ofs, \ - _select_input, _pad_ctrl) \ - { \ - .mux_ctrl_ofs = _mux_ctrl_ofs, \ - .mux_mode = _mux_mode, \ - .pad_ctrl_ofs = _pad_ctrl_ofs, \ - .pad_ctrl = _pad_ctrl, \ - .select_input_ofs = _select_input_ofs, \ - .select_input = _select_input, \ - } + * IOMUX/PAD Bit field definitions + * + * MUX_CTRL_OFS: 0..11 (12) + * PAD_CTRL_OFS: 12..23 (12) + * SEL_INPUT_OFS: 24..35 (12) + * MUX_MODE + SION: 36..40 (5) + * PAD_CTRL + NO_PAD_CTRL: 41..57 (17) + * SEL_INP: 58..61 (4) + * reserved: 63 (1) +*/ + +typedef u64 iomux_v3_cfg_t; + +#define MUX_CTRL_OFS_SHIFT 0 +#define MUX_CTRL_OFS_MASK ((iomux_v3_cfg_t)0xfff << MUX_CTRL_OFS_SHIFT) +#define MUX_PAD_CTRL_OFS_SHIFT 12 +#define MUX_PAD_CTRL_OFS_MASK ((iomux_v3_cfg_t)0xfff << MUX_PAD_CTRL_OFS_SHIFT) +#define MUX_SEL_INPUT_OFS_SHIFT 24 +#define MUX_SEL_INPUT_OFS_MASK ((iomux_v3_cfg_t)0xfff << MUX_SEL_INPUT_OFS_SHIFT) + +#define MUX_MODE_SHIFT 36 +#define MUX_MODE_MASK ((iomux_v3_cfg_t)0x1f << MUX_MODE_SHIFT) +#define MUX_PAD_CTRL_SHIFT 41 +#define MUX_PAD_CTRL_MASK ((iomux_v3_cfg_t)0x1ffff << MUX_PAD_CTRL_SHIFT) +#define NO_PAD_CTRL ((iomux_v3_cfg_t)1 << (MUX_PAD_CTRL_SHIFT + 16)) +#define MUX_SEL_INPUT_SHIFT 58 +#define MUX_SEL_INPUT_MASK ((iomux_v3_cfg_t)0xf << MUX_SEL_INPUT_SHIFT) + +#define MUX_PAD_CTRL(x) ((iomux_v3_cfg_t)(x) << MUX_PAD_CTRL_SHIFT) + +#define IOMUX_PAD(_pad_ctrl_ofs, _mux_ctrl_ofs, _mux_mode, _sel_input_ofs, \ + _sel_input, _pad_ctrl) \ + (((iomux_v3_cfg_t)(_mux_ctrl_ofs) << MUX_CTRL_OFS_SHIFT) | \ + ((iomux_v3_cfg_t)(_mux_mode) << MUX_MODE_SHIFT) | \ + ((iomux_v3_cfg_t)(_pad_ctrl_ofs) << MUX_PAD_CTRL_OFS_SHIFT) | \ + ((iomux_v3_cfg_t)(_pad_ctrl) << MUX_PAD_CTRL_SHIFT) | \ + ((iomux_v3_cfg_t)(_sel_input_ofs) << MUX_SEL_INPUT_OFS_SHIFT) | \ + ((iomux_v3_cfg_t)(_sel_input) << MUX_SEL_INPUT_SHIFT)) /* * Use to set PAD control @@ -89,6 +105,7 @@ struct pad_desc { #define PAD_CTL_SRE_FAST (1 << 0) #define PAD_CTL_SRE_SLOW (0 << 0) +#define IOMUX_CONFIG_SION (0x1 << 4) #define MX51_NUM_GPIO_PORT 4 @@ -107,13 +124,13 @@ struct pad_desc { /* * setups a single pad in the iomuxer */ -int mxc_iomux_v3_setup_pad(struct pad_desc *pad); +int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t pad); /* * setups mutliple pads * convenient way to call the above function with tables */ -int mxc_iomux_v3_setup_multiple_pads(struct pad_desc *pad_list, unsigned count); +int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count); /* * Initialise the iomux controller |