+ i2s->pinctrl = devm_pinctrl_get(&pdev->dev);
+ if (IS_ERR(i2s->pinctrl))
+ dev_err(&pdev->dev, "failed to find i2s pinctrl\n");
+
+ i2s->bclk_on = pinctrl_lookup_state(i2s->pinctrl,
+ "bclk_on");
+ if (IS_ERR_OR_NULL(i2s->bclk_on))
+ dev_err(&pdev->dev, "failed to find i2s default state\n");
+ else
+ dev_dbg(&pdev->dev, "find i2s bclk state\n");
+
+ i2s->bclk_off = pinctrl_lookup_state(i2s->pinctrl,
+ "bclk_off");
+ if (IS_ERR_OR_NULL(i2s->bclk_off))
+ dev_err(&pdev->dev, "failed to find i2s gpio state\n");
+ else
+ dev_dbg(&pdev->dev, "find i2s bclk_off state\n");
+
+ i2s_pinctrl_select_bclk_off(i2s);
+
+ i2s->playback_dma_data.addr = res->start + I2S_TXDR;
+ i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ i2s->playback_dma_data.maxburst = 4;
+
+ i2s->capture_dma_data.addr = res->start + I2S_RXDR;
+ i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ i2s->capture_dma_data.maxburst = 4;