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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0306741004
This adds aptional GPIO bit-bang based callback implementations for setting CLK, DATA and MODE L3 bus lines. It is added here to avoid possible duplicate implementations across users of the bus. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
28 lines
485 B
C
28 lines
485 B
C
#ifndef _L3_H_
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#define _L3_H_ 1
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struct l3_pins {
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void (*setdat)(struct l3_pins *, int);
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void (*setclk)(struct l3_pins *, int);
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void (*setmode)(struct l3_pins *, int);
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int gpio_data;
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int gpio_clk;
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int gpio_mode;
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int use_gpios;
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int data_hold;
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int data_setup;
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int clock_high;
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int mode_hold;
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int mode;
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int mode_setup;
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};
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struct device;
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int l3_write(struct l3_pins *adap, u8 addr, u8 *data, int len);
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int l3_set_gpio_ops(struct device *dev, struct l3_pins *adap);
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#endif
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