struct mtk_mmc_compatible {
u8 clk_div_bits;
+ bool hs400_tune; /* only used for MT8173 */
};
struct msdc_tune_para {
static const struct mtk_mmc_compatible mt8135_compat = {
.clk_div_bits = 8,
+ .hs400_tune = false,
};
static const struct mtk_mmc_compatible mt8173_compat = {
.clk_div_bits = 8,
+ .hs400_tune = true,
};
static const struct mtk_mmc_compatible mt2701_compat = {
.clk_div_bits = 12,
+ .hs400_tune = false,
};
static const struct mtk_mmc_compatible mt2712_compat = {
.clk_div_bits = 12,
+ .hs400_tune = false,
};
static const struct of_device_id msdc_of_ids[] = {
host->base + PAD_CMD_TUNE);
}
- if (timing == MMC_TIMING_MMC_HS400)
+ if (timing == MMC_TIMING_MMC_HS400 &&
+ host->dev_comp->hs400_tune)
sdr_set_field(host->base + PAD_CMD_TUNE,
MSDC_PAD_TUNE_CMDRRDLY,
host->hs400_cmd_int_delay);
struct msdc_host *host = mmc_priv(mmc);
int ret;
- if (host->hs400_mode)
+ if (host->hs400_mode &&
+ host->dev_comp->hs400_tune)
ret = hs400_tune_response(mmc, opcode);
else
ret = msdc_tune_response(mmc, opcode);