TEGRA210_I2S_CG
writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
readl(i2s_base + TEGRA210_I2S_CG);
writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
{ TEGRA210_I2S_CG, 0x1 },
case TEGRA210_I2S_ENABLE ... TEGRA210_I2S_CG: