spi: meson-spicc: support max 80MHz clock

 *   to have a CS go down over the full transfer

 */

#define SPICC_MAX_FREQ	30000000

#define SPICC_MAX_BURST	128

/* Register Map */

#define SPICC_FIFO_HALF 10

struct meson_spicc_data {

	unsigned int			max_speed_hz;

	bool				has_oen;

	bool				has_enhance_clk_div;

};

	master->transfer_one = meson_spicc_transfer_one;

	master->use_gpio_descriptors = true;

	/* Setup max rate according to the Meson GX datasheet */

	if ((rate >> 2) > SPICC_MAX_FREQ)

		master->max_speed_hz = SPICC_MAX_FREQ;

	else

		master->max_speed_hz = rate >> 2;

	/* Setup max rate according to the Meson datasheet */

	master->max_speed_hz = min_t(unsigned int, rate >> 1,

				     spicc->data->max_speed_hz);

	meson_spicc_oen_enable(spicc);

}

static const struct meson_spicc_data meson_spicc_gx_data = {

	.max_speed_hz		= 30000000,

};

static const struct meson_spicc_data meson_spicc_axg_data = {

	.max_speed_hz		= 80000000,

	.has_oen		= true,

	.has_enhance_clk_div	= true,

};