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df8e78607d
Export the aemif_set_cs_timing() and aemif_check_cs_timing() symbols so they can be used by other drivers Add a mutex to protect the CS configuration register from concurrent accesses between the AEMIF and its 'children'. Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20241204094319.1050826-7-bastien.curutchet@bootlin.com [krzysztof: wrap aemif_set_cs_timings() at 80-char] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
33 lines
766 B
C
33 lines
766 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __MEMORY_TI_AEMIF_H
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#define __MEMORY_TI_AEMIF_H
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/**
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* struct aemif_cs_timings: structure to hold CS timing configuration
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* values are expressed in number of clock cycles - 1
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* @ta: minimum turn around time
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* @rhold: read hold width
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* @rstrobe: read strobe width
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* @rsetup: read setup width
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* @whold: write hold width
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* @wstrobe: write strobe width
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* @wsetup: write setup width
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*/
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struct aemif_cs_timings {
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u32 ta;
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u32 rhold;
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u32 rstrobe;
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u32 rsetup;
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u32 whold;
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u32 wstrobe;
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u32 wsetup;
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};
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struct aemif_device;
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int aemif_set_cs_timings(struct aemif_device *aemif, u8 cs, struct aemif_cs_timings *timings);
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int aemif_check_cs_timings(struct aemif_cs_timings *timings);
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#endif // __MEMORY_TI_AEMIF_H
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