Release 4.17 include/linux/platform_data/ti-sysc.h
#ifndef __TI_SYSC_DATA_H__
#define __TI_SYSC_DATA_H__
enum ti_sysc_module_type {
TI_SYSC_OMAP2,
TI_SYSC_OMAP2_TIMER,
TI_SYSC_OMAP3_SHAM,
TI_SYSC_OMAP3_AES,
TI_SYSC_OMAP4,
TI_SYSC_OMAP4_TIMER,
TI_SYSC_OMAP4_SIMPLE,
TI_SYSC_OMAP34XX_SR,
TI_SYSC_OMAP36XX_SR,
TI_SYSC_OMAP4_SR,
TI_SYSC_OMAP4_MCASP,
TI_SYSC_OMAP4_USB_HOST_FS,
};
struct ti_sysc_cookie {
void *data;
};
/**
* struct sysc_regbits - TI OCP_SYSCONFIG register field offsets
* @midle_shift: Offset of the midle bit
* @clkact_shift: Offset of the clockactivity bit
* @sidle_shift: Offset of the sidle bit
* @enwkup_shift: Offset of the enawakeup bit
* @srst_shift: Offset of the softreset bit
* @autoidle_shift: Offset of the autoidle bit
* @dmadisable_shift: Offset of the dmadisable bit
* @emufree_shift; Offset of the emufree bit
*
* Note that 0 is a valid shift, and for ti-sysc.c -ENODEV can be used if a
* feature is not available.
*/
struct sysc_regbits {
s8 midle_shift;
s8 clkact_shift;
s8 sidle_shift;
s8 enwkup_shift;
s8 srst_shift;
s8 autoidle_shift;
s8 dmadisable_shift;
s8 emufree_shift;
};
#define SYSC_QUIRK_LEGACY_IDLE BIT(8)
#define SYSC_QUIRK_RESET_STATUS BIT(7)
#define SYSC_QUIRK_NO_IDLE_ON_INIT BIT(6)
#define SYSC_QUIRK_NO_RESET_ON_INIT BIT(5)
#define SYSC_QUIRK_OPT_CLKS_NEEDED BIT(4)
#define SYSC_QUIRK_OPT_CLKS_IN_RESET BIT(3)
#define SYSC_QUIRK_16BIT BIT(2)
#define SYSC_QUIRK_UNCACHED BIT(1)
#define SYSC_QUIRK_USE_CLOCKACT BIT(0)
#define SYSC_NR_IDLEMODES 4
/**
* struct sysc_capabilities - capabilities for an interconnect target module
*
* @sysc_mask: bitmask of supported SYSCONFIG register bits
* @regbits: bitmask of SYSCONFIG register bits
* @mod_quirks: bitmask of module specific quirks
*/
struct sysc_capabilities {
const enum ti_sysc_module_type type;
const u32 sysc_mask;
const struct sysc_regbits *regbits;
const u32 mod_quirks;
};
/**
* struct sysc_config - configuration for an interconnect target module
* @sysc_val: configured value for sysc register
* @midlemodes: bitmask of supported master idle modes
* @sidlemodes: bitmask of supported master idle modes
* @srst_udelay: optional delay needed after OCP soft reset
* @quirks: bitmask of enabled quirks
*/
struct sysc_config {
u32 sysc_val;
u32 syss_mask;
u8 midlemodes;
u8 sidlemodes;
u8 srst_udelay;
u32 quirks;
};
enum sysc_registers {
SYSC_REVISION,
SYSC_SYSCONFIG,
SYSC_SYSSTATUS,
SYSC_MAX_REGS,
};
/**
* struct ti_sysc_module_data - ti-sysc to hwmod translation data for a module
* @name: legacy "ti,hwmods" module name
* @module_pa: physical address of the interconnect target module
* @module_size: size of the interconnect target module
* @offsets: array of register offsets as listed in enum sysc_registers
* @nr_offsets: number of registers
* @cap: interconnect target module capabilities
* @cfg: interconnect target module configuration
*
* This data is enough to allocate a new struct omap_hwmod_class_sysconfig
* based on device tree data parsed by ti-sysc driver.
*/
struct ti_sysc_module_data {
const char *name;
u64 module_pa;
u32 module_size;
int *offsets;
int nr_offsets;
const struct sysc_capabilities *cap;
struct sysc_config *cfg;
};
struct device;
struct ti_sysc_platform_data {
struct of_dev_auxdata *auxdata;
int (*init_module)(struct device *dev,
const struct ti_sysc_module_data *data,
struct ti_sysc_cookie *cookie);
int (*enable_module)(struct device *dev,
const struct ti_sysc_cookie *cookie);
int (*idle_module)(struct device *dev,
const struct ti_sysc_cookie *cookie);
int (*shutdown_module)(struct device *dev,
const struct ti_sysc_cookie *cookie);
};
#endif /* __TI_SYSC_DATA_H__ */
Overall Contributors
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