Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / plat-mxc / include / mach / iomux-v3.h

diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h
index 0880a4a1aed1e91c397653515dca3d979cf9b804..82620af1922f981b749bfcd59b872638e3dd81e2 100644 (file)
--- 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