SDXC_CLK_50M_DDR_8BIT
[SDXC_CLK_50M_DDR_8BIT] = { .output = 90, .sample = 180 },
[SDXC_CLK_50M_DDR_8BIT] = { .output = 72, .sample = 72 },
index = SDXC_CLK_50M_DDR_8BIT;