MESON_SDHC_CLKC_CLK_DIV
rx_clk_phase = FIELD_GET(MESON_SDHC_CLKC_CLK_DIV, val) / 4;
div = FIELD_GET(MESON_SDHC_CLKC_CLK_DIV, val);
regmap_write(host->regmap, MESON_SDHC_CLKC, MESON_SDHC_CLKC_CLK_DIV);