1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef __TI_SYSC_DATA_H__ 4 #define __TI_SYSC_DATA_H__ 5 6 enum ti_sysc_module_type { 7 TI_SYSC_OMAP2, 8 TI_SYSC_OMAP2_TIMER, 9 TI_SYSC_OMAP3_SHAM, 10 TI_SYSC_OMAP3_AES, 11 TI_SYSC_OMAP4, 12 TI_SYSC_OMAP4_TIMER, 13 TI_SYSC_OMAP4_SIMPLE, 14 TI_SYSC_OMAP34XX_SR, 15 TI_SYSC_OMAP36XX_SR, 16 TI_SYSC_OMAP4_SR, 17 TI_SYSC_OMAP4_MCASP, 18 TI_SYSC_OMAP4_USB_HOST_FS, 19 TI_SYSC_DRA7_MCAN, 20 }; 21 22 struct ti_sysc_cookie { 23 void *data; 24 void *clkdm; 25 }; 26 27 /** 28 * struct sysc_regbits - TI OCP_SYSCONFIG register field offsets 29 * @midle_shift: Offset of the midle bit 30 * @clkact_shift: Offset of the clockactivity bit 31 * @sidle_shift: Offset of the sidle bit 32 * @enwkup_shift: Offset of the enawakeup bit 33 * @srst_shift: Offset of the softreset bit 34 * @autoidle_shift: Offset of the autoidle bit 35 * @dmadisable_shift: Offset of the dmadisable bit 36 * @emufree_shift; Offset of the emufree bit 37 * 38 * Note that 0 is a valid shift, and for ti-sysc.c -ENODEV can be used if a 39 * feature is not available. 40 */ 41 struct sysc_regbits { 42 s8 midle_shift; 43 s8 clkact_shift; 44 s8 sidle_shift; 45 s8 enwkup_shift; 46 s8 srst_shift; 47 s8 autoidle_shift; 48 s8 dmadisable_shift; 49 s8 emufree_shift; 50 }; 51 52 #define SYSC_MODULE_QUIRK_HDQ1W BIT(17) 53 #define SYSC_MODULE_QUIRK_I2C BIT(16) 54 #define SYSC_MODULE_QUIRK_WDT BIT(15) 55 #define SYSS_QUIRK_RESETDONE_INVERTED BIT(14) 56 #define SYSC_QUIRK_SWSUP_MSTANDBY BIT(13) 57 #define SYSC_QUIRK_SWSUP_SIDLE_ACT BIT(12) 58 #define SYSC_QUIRK_SWSUP_SIDLE BIT(11) 59 #define SYSC_QUIRK_EXT_OPT_CLOCK BIT(10) 60 #define SYSC_QUIRK_LEGACY_IDLE BIT(9) 61 #define SYSC_QUIRK_RESET_STATUS BIT(8) 62 #define SYSC_QUIRK_NO_IDLE BIT(7) 63 #define SYSC_QUIRK_NO_IDLE_ON_INIT BIT(6) 64 #define SYSC_QUIRK_NO_RESET_ON_INIT BIT(5) 65 #define SYSC_QUIRK_OPT_CLKS_NEEDED BIT(4) 66 #define SYSC_QUIRK_OPT_CLKS_IN_RESET BIT(3) 67 #define SYSC_QUIRK_16BIT BIT(2) 68 #define SYSC_QUIRK_UNCACHED BIT(1) 69 #define SYSC_QUIRK_USE_CLOCKACT BIT(0) 70 71 #define SYSC_NR_IDLEMODES 4 72 73 /** 74 * struct sysc_capabilities - capabilities for an interconnect target module 75 * @type: sysc type identifier for the module 76 * @sysc_mask: bitmask of supported SYSCONFIG register bits 77 * @regbits: bitmask of SYSCONFIG register bits 78 * @mod_quirks: bitmask of module specific quirks 79 */ 80 struct sysc_capabilities { 81 const enum ti_sysc_module_type type; 82 const u32 sysc_mask; 83 const struct sysc_regbits *regbits; 84 const u32 mod_quirks; 85 }; 86 87 /** 88 * struct sysc_config - configuration for an interconnect target module 89 * @sysc_val: configured value for sysc register 90 * @syss_mask: configured mask value for SYSSTATUS register 91 * @midlemodes: bitmask of supported master idle modes 92 * @sidlemodes: bitmask of supported slave idle modes 93 * @srst_udelay: optional delay needed after OCP soft reset 94 * @quirks: bitmask of enabled quirks 95 */ 96 struct sysc_config { 97 u32 sysc_val; 98 u32 syss_mask; 99 u8 midlemodes; 100 u8 sidlemodes; 101 u8 srst_udelay; 102 u32 quirks; 103 }; 104 105 enum sysc_registers { 106 SYSC_REVISION, 107 SYSC_SYSCONFIG, 108 SYSC_SYSSTATUS, 109 SYSC_MAX_REGS, 110 }; 111 112 /** 113 * struct ti_sysc_module_data - ti-sysc to hwmod translation data for a module 114 * @name: legacy "ti,hwmods" module name 115 * @module_pa: physical address of the interconnect target module 116 * @module_size: size of the interconnect target module 117 * @offsets: array of register offsets as listed in enum sysc_registers 118 * @nr_offsets: number of registers 119 * @cap: interconnect target module capabilities 120 * @cfg: interconnect target module configuration 121 * 122 * This data is enough to allocate a new struct omap_hwmod_class_sysconfig 123 * based on device tree data parsed by ti-sysc driver. 124 */ 125 struct ti_sysc_module_data { 126 const char *name; 127 u64 module_pa; 128 u32 module_size; 129 int *offsets; 130 int nr_offsets; 131 const struct sysc_capabilities *cap; 132 struct sysc_config *cfg; 133 }; 134 135 struct device; 136 struct clk; 137 138 struct ti_sysc_platform_data { 139 struct of_dev_auxdata *auxdata; 140 int (*init_clockdomain)(struct device *dev, struct clk *fck, 141 struct clk *ick, struct ti_sysc_cookie *cookie); 142 void (*clkdm_deny_idle)(struct device *dev, 143 const struct ti_sysc_cookie *cookie); 144 void (*clkdm_allow_idle)(struct device *dev, 145 const struct ti_sysc_cookie *cookie); 146 int (*init_module)(struct device *dev, 147 const struct ti_sysc_module_data *data, 148 struct ti_sysc_cookie *cookie); 149 int (*enable_module)(struct device *dev, 150 const struct ti_sysc_cookie *cookie); 151 int (*idle_module)(struct device *dev, 152 const struct ti_sysc_cookie *cookie); 153 int (*shutdown_module)(struct device *dev, 154 const struct ti_sysc_cookie *cookie); 155 }; 156 157 #endif /* __TI_SYSC_DATA_H__ */ 158