a7199e2b91
We can easily detect i2c based on it's non-standard module registers that consist of two 32-bit registers accessed in 16-bit mode. So far we don't have other 16-bit modules, so there's currently no need to add a custom property for 16-bit register access. Signed-off-by: Tony Lindgren <tony@atomide.com>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#ifndef __TI_SYSC_DATA_H__
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#define __TI_SYSC_DATA_H__
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enum ti_sysc_module_type {
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TI_SYSC_OMAP2,
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TI_SYSC_OMAP2_TIMER,
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TI_SYSC_OMAP3_SHAM,
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TI_SYSC_OMAP3_AES,
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TI_SYSC_OMAP4,
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TI_SYSC_OMAP4_TIMER,
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TI_SYSC_OMAP4_SIMPLE,
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TI_SYSC_OMAP34XX_SR,
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TI_SYSC_OMAP36XX_SR,
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TI_SYSC_OMAP4_SR,
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TI_SYSC_OMAP4_MCASP,
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TI_SYSC_OMAP4_USB_HOST_FS,
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};
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/**
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* struct sysc_regbits - TI OCP_SYSCONFIG register field offsets
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* @midle_shift: Offset of the midle bit
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* @clkact_shift: Offset of the clockactivity bit
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* @sidle_shift: Offset of the sidle bit
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* @enwkup_shift: Offset of the enawakeup bit
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* @srst_shift: Offset of the softreset bit
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* @autoidle_shift: Offset of the autoidle bit
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* @dmadisable_shift: Offset of the dmadisable bit
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* @emufree_shift; Offset of the emufree bit
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*
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* Note that 0 is a valid shift, and for ti-sysc.c -ENODEV can be used if a
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* feature is not available.
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*/
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struct sysc_regbits {
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s8 midle_shift;
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s8 clkact_shift;
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s8 sidle_shift;
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s8 enwkup_shift;
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s8 srst_shift;
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s8 autoidle_shift;
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s8 dmadisable_shift;
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s8 emufree_shift;
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};
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#define SYSC_QUIRK_16BIT BIT(2)
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#define SYSC_QUIRK_UNCACHED BIT(1)
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#define SYSC_QUIRK_USE_CLOCKACT BIT(0)
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/**
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* struct sysc_capabilities - capabilities for an interconnect target module
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*
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* @sysc_mask: bitmask of supported SYSCONFIG register bits
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* @regbits: bitmask of SYSCONFIG register bits
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* @mod_quirks: bitmask of module specific quirks
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*/
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struct sysc_capabilities {
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const enum ti_sysc_module_type type;
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const u32 sysc_mask;
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const struct sysc_regbits *regbits;
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const u32 mod_quirks;
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};
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/**
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* struct sysc_config - configuration for an interconnect target module
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* @quirks: bitmask of enabled quirks
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*/
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struct sysc_config {
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u32 quirks;
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};
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#endif /* __TI_SYSC_DATA_H__ */
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