1 #ifndef __TI_SYSC_DATA_H__ 2 #define __TI_SYSC_DATA_H__ 3 4 enum ti_sysc_module_type { 5 TI_SYSC_OMAP2, 6 TI_SYSC_OMAP2_TIMER, 7 TI_SYSC_OMAP3_SHAM, 8 TI_SYSC_OMAP3_AES, 9 TI_SYSC_OMAP4, 10 TI_SYSC_OMAP4_TIMER, 11 TI_SYSC_OMAP4_SIMPLE, 12 TI_SYSC_OMAP34XX_SR, 13 TI_SYSC_OMAP36XX_SR, 14 TI_SYSC_OMAP4_SR, 15 TI_SYSC_OMAP4_MCASP, 16 TI_SYSC_OMAP4_USB_HOST_FS, 17 TI_SYSC_DRA7_MCAN, 18 }; 19 20 struct ti_sysc_cookie { 21 void *data; 22 void *clkdm; 23 }; 24 25 /** 26 * struct sysc_regbits - TI OCP_SYSCONFIG register field offsets 27 * @midle_shift: Offset of the midle bit 28 * @clkact_shift: Offset of the clockactivity bit 29 * @sidle_shift: Offset of the sidle bit 30 * @enwkup_shift: Offset of the enawakeup bit 31 * @srst_shift: Offset of the softreset bit 32 * @autoidle_shift: Offset of the autoidle bit 33 * @dmadisable_shift: Offset of the dmadisable bit 34 * @emufree_shift; Offset of the emufree bit 35 * 36 * Note that 0 is a valid shift, and for ti-sysc.c -ENODEV can be used if a 37 * feature is not available. 38 */ 39 struct sysc_regbits { 40 s8 midle_shift; 41 s8 clkact_shift; 42 s8 sidle_shift; 43 s8 enwkup_shift; 44 s8 srst_shift; 45 s8 autoidle_shift; 46 s8 dmadisable_shift; 47 s8 emufree_shift; 48 }; 49 50 #define SYSC_QUIRK_SWSUP_MSTANDBY BIT(13) 51 #define SYSC_QUIRK_SWSUP_SIDLE_ACT BIT(12) 52 #define SYSC_QUIRK_SWSUP_SIDLE BIT(11) 53 #define SYSC_QUIRK_EXT_OPT_CLOCK BIT(10) 54 #define SYSC_QUIRK_LEGACY_IDLE BIT(9) 55 #define SYSC_QUIRK_RESET_STATUS BIT(8) 56 #define SYSC_QUIRK_NO_IDLE BIT(7) 57 #define SYSC_QUIRK_NO_IDLE_ON_INIT BIT(6) 58 #define SYSC_QUIRK_NO_RESET_ON_INIT BIT(5) 59 #define SYSC_QUIRK_OPT_CLKS_NEEDED BIT(4) 60 #define SYSC_QUIRK_OPT_CLKS_IN_RESET BIT(3) 61 #define SYSC_QUIRK_16BIT BIT(2) 62 #define SYSC_QUIRK_UNCACHED BIT(1) 63 #define SYSC_QUIRK_USE_CLOCKACT BIT(0) 64 65 #define SYSC_NR_IDLEMODES 4 66 67 /** 68 * struct sysc_capabilities - capabilities for an interconnect target module 69 * 70 * @sysc_mask: bitmask of supported SYSCONFIG register bits 71 * @regbits: bitmask of SYSCONFIG register bits 72 * @mod_quirks: bitmask of module specific quirks 73 */ 74 struct sysc_capabilities { 75 const enum ti_sysc_module_type type; 76 const u32 sysc_mask; 77 const struct sysc_regbits *regbits; 78 const u32 mod_quirks; 79 }; 80 81 /** 82 * struct sysc_config - configuration for an interconnect target module 83 * @sysc_val: configured value for sysc register 84 * @midlemodes: bitmask of supported master idle modes 85 * @sidlemodes: bitmask of supported master idle modes 86 * @srst_udelay: optional delay needed after OCP soft reset 87 * @quirks: bitmask of enabled quirks 88 */ 89 struct sysc_config { 90 u32 sysc_val; 91 u32 syss_mask; 92 u8 midlemodes; 93 u8 sidlemodes; 94 u8 srst_udelay; 95 u32 quirks; 96 }; 97 98 enum sysc_registers { 99 SYSC_REVISION, 100 SYSC_SYSCONFIG, 101 SYSC_SYSSTATUS, 102 SYSC_MAX_REGS, 103 }; 104 105 /** 106 * struct ti_sysc_module_data - ti-sysc to hwmod translation data for a module 107 * @name: legacy "ti,hwmods" module name 108 * @module_pa: physical address of the interconnect target module 109 * @module_size: size of the interconnect target module 110 * @offsets: array of register offsets as listed in enum sysc_registers 111 * @nr_offsets: number of registers 112 * @cap: interconnect target module capabilities 113 * @cfg: interconnect target module configuration 114 * 115 * This data is enough to allocate a new struct omap_hwmod_class_sysconfig 116 * based on device tree data parsed by ti-sysc driver. 117 */ 118 struct ti_sysc_module_data { 119 const char *name; 120 u64 module_pa; 121 u32 module_size; 122 int *offsets; 123 int nr_offsets; 124 const struct sysc_capabilities *cap; 125 struct sysc_config *cfg; 126 }; 127 128 struct device; 129 struct clk; 130 131 struct ti_sysc_platform_data { 132 struct of_dev_auxdata *auxdata; 133 int (*init_clockdomain)(struct device *dev, struct clk *fck, 134 struct clk *ick, struct ti_sysc_cookie *cookie); 135 void (*clkdm_deny_idle)(struct device *dev, 136 const struct ti_sysc_cookie *cookie); 137 void (*clkdm_allow_idle)(struct device *dev, 138 const struct ti_sysc_cookie *cookie); 139 int (*init_module)(struct device *dev, 140 const struct ti_sysc_module_data *data, 141 struct ti_sysc_cookie *cookie); 142 int (*enable_module)(struct device *dev, 143 const struct ti_sysc_cookie *cookie); 144 int (*idle_module)(struct device *dev, 145 const struct ti_sysc_cookie *cookie); 146 int (*shutdown_module)(struct device *dev, 147 const struct ti_sysc_cookie *cookie); 148 }; 149 150 #endif /* __TI_SYSC_DATA_H__ */ 151