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Diffstat (limited to 'sound/soc/fsl/fsl_sai.c')
-rw-r--r--sound/soc/fsl/fsl_sai.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 0754df771e3b..2147994ab46f 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -21,6 +21,8 @@
#include <sound/core.h>
#include <sound/dmaengine_pcm.h>
#include <sound/pcm_params.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
#include "fsl_sai.h"
#include "imx-pcm.h"
@@ -786,10 +788,12 @@ static int fsl_sai_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct fsl_sai *sai;
+ struct regmap *gpr;
struct resource *res;
void __iomem *base;
char tmp[8];
int irq, ret, i;
+ int index;
sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL);
if (!sai)
@@ -797,7 +801,8 @@ static int fsl_sai_probe(struct platform_device *pdev)
sai->pdev = pdev;
- if (of_device_is_compatible(pdev->dev.of_node, "fsl,imx6sx-sai"))
+ if (of_device_is_compatible(pdev->dev.of_node, "fsl,imx6sx-sai") ||
+ of_device_is_compatible(pdev->dev.of_node, "fsl,imx6ul-sai"))
sai->sai_on_imx = true;
sai->is_lsb_first = of_property_read_bool(np, "lsb-first");
@@ -877,6 +882,22 @@ static int fsl_sai_probe(struct platform_device *pdev)
fsl_sai_dai.symmetric_samplebits = 0;
}
+ if (of_find_property(np, "fsl,sai-mclk-direction-output", NULL) &&
+ of_device_is_compatible(pdev->dev.of_node, "fsl,imx6ul-sai")) {
+ gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
+ if (IS_ERR(gpr)) {
+ dev_err(&pdev->dev, "cannot find iomuxc registers\n");
+ return PTR_ERR(gpr);
+ }
+
+ index = of_alias_get_id(np, "sai");
+ if (index < 0)
+ return index;
+
+ regmap_update_bits(gpr, IOMUXC_GPR1, MCLK_DIR(index),
+ MCLK_DIR(index));
+ }
+
sai->dma_params_rx.addr = res->start + FSL_SAI_RDR;
sai->dma_params_tx.addr = res->start + FSL_SAI_TDR;
sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX;
@@ -898,6 +919,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
static const struct of_device_id fsl_sai_ids[] = {
{ .compatible = "fsl,vf610-sai", },
{ .compatible = "fsl,imx6sx-sai", },
+ { .compatible = "fsl,imx6ul-sai", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, fsl_sai_ids);