xref: /linux/include/linux/platform_data/ti-sysc.h (revision 566a9b05e1fa47dcfb93a4459145d0fdc06d3046)
149a0a3d8STony Lindgren #ifndef __TI_SYSC_DATA_H__
249a0a3d8STony Lindgren #define __TI_SYSC_DATA_H__
349a0a3d8STony Lindgren 
470a65240STony Lindgren enum ti_sysc_module_type {
570a65240STony Lindgren 	TI_SYSC_OMAP2,
670a65240STony Lindgren 	TI_SYSC_OMAP2_TIMER,
770a65240STony Lindgren 	TI_SYSC_OMAP3_SHAM,
870a65240STony Lindgren 	TI_SYSC_OMAP3_AES,
970a65240STony Lindgren 	TI_SYSC_OMAP4,
1070a65240STony Lindgren 	TI_SYSC_OMAP4_TIMER,
1170a65240STony Lindgren 	TI_SYSC_OMAP4_SIMPLE,
1270a65240STony Lindgren 	TI_SYSC_OMAP34XX_SR,
1370a65240STony Lindgren 	TI_SYSC_OMAP36XX_SR,
1470a65240STony Lindgren 	TI_SYSC_OMAP4_SR,
1570a65240STony Lindgren 	TI_SYSC_OMAP4_MCASP,
1670a65240STony Lindgren 	TI_SYSC_OMAP4_USB_HOST_FS,
1770a65240STony Lindgren };
1870a65240STony Lindgren 
1949a0a3d8STony Lindgren /**
2049a0a3d8STony Lindgren  * struct sysc_regbits - TI OCP_SYSCONFIG register field offsets
2149a0a3d8STony Lindgren  * @midle_shift: Offset of the midle bit
2249a0a3d8STony Lindgren  * @clkact_shift: Offset of the clockactivity bit
2349a0a3d8STony Lindgren  * @sidle_shift: Offset of the sidle bit
2449a0a3d8STony Lindgren  * @enwkup_shift: Offset of the enawakeup bit
2549a0a3d8STony Lindgren  * @srst_shift: Offset of the softreset bit
2649a0a3d8STony Lindgren  * @autoidle_shift: Offset of the autoidle bit
2749a0a3d8STony Lindgren  * @dmadisable_shift: Offset of the dmadisable bit
2849a0a3d8STony Lindgren  * @emufree_shift; Offset of the emufree bit
2949a0a3d8STony Lindgren  *
3049a0a3d8STony Lindgren  * Note that 0 is a valid shift, and for ti-sysc.c -ENODEV can be used if a
3149a0a3d8STony Lindgren  * feature is not available.
3249a0a3d8STony Lindgren  */
3349a0a3d8STony Lindgren struct sysc_regbits {
3449a0a3d8STony Lindgren 	s8 midle_shift;
3549a0a3d8STony Lindgren 	s8 clkact_shift;
3649a0a3d8STony Lindgren 	s8 sidle_shift;
3749a0a3d8STony Lindgren 	s8 enwkup_shift;
3849a0a3d8STony Lindgren 	s8 srst_shift;
3949a0a3d8STony Lindgren 	s8 autoidle_shift;
4049a0a3d8STony Lindgren 	s8 dmadisable_shift;
4149a0a3d8STony Lindgren 	s8 emufree_shift;
4249a0a3d8STony Lindgren };
4349a0a3d8STony Lindgren 
44*566a9b05STony Lindgren #define SYSC_QUIRK_NO_IDLE_ON_INIT	BIT(6)
45*566a9b05STony Lindgren #define SYSC_QUIRK_NO_RESET_ON_INIT	BIT(5)
46*566a9b05STony Lindgren #define SYSC_QUIRK_OPT_CLKS_NEEDED	BIT(4)
47*566a9b05STony Lindgren #define SYSC_QUIRK_OPT_CLKS_IN_RESET	BIT(3)
48a7199e2bSTony Lindgren #define SYSC_QUIRK_16BIT		BIT(2)
4970a65240STony Lindgren #define SYSC_QUIRK_UNCACHED		BIT(1)
5070a65240STony Lindgren #define SYSC_QUIRK_USE_CLOCKACT		BIT(0)
5170a65240STony Lindgren 
5270a65240STony Lindgren /**
5370a65240STony Lindgren  * struct sysc_capabilities - capabilities for an interconnect target module
5470a65240STony Lindgren  *
5570a65240STony Lindgren  * @sysc_mask: bitmask of supported SYSCONFIG register bits
5670a65240STony Lindgren  * @regbits: bitmask of SYSCONFIG register bits
5770a65240STony Lindgren  * @mod_quirks: bitmask of module specific quirks
5870a65240STony Lindgren  */
5970a65240STony Lindgren struct sysc_capabilities {
6070a65240STony Lindgren 	const enum ti_sysc_module_type type;
6170a65240STony Lindgren 	const u32 sysc_mask;
6270a65240STony Lindgren 	const struct sysc_regbits *regbits;
6370a65240STony Lindgren 	const u32 mod_quirks;
6470a65240STony Lindgren };
6570a65240STony Lindgren 
6670a65240STony Lindgren /**
6770a65240STony Lindgren  * struct sysc_config - configuration for an interconnect target module
68*566a9b05STony Lindgren  * @srst_udelay: optional delay needed after OCP soft reset
6970a65240STony Lindgren  * @quirks: bitmask of enabled quirks
7070a65240STony Lindgren  */
7170a65240STony Lindgren struct sysc_config {
72*566a9b05STony Lindgren 	u8 srst_udelay;
7370a65240STony Lindgren 	u32 quirks;
7470a65240STony Lindgren };
7570a65240STony Lindgren 
7649a0a3d8STony Lindgren #endif	/* __TI_SYSC_DATA_H__ */
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