diff options
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index e483e9d84f8b..671be33aa9d2 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -123,6 +123,13 @@ static inline void write_ssi_mask(u32 __iomem *addr, u32 clear, u32 set) CCSR_SSI_SIER_TUE0_EN | CCSR_SSI_SIER_TFRC_EN) #define FSLSSI_SISR_MASK (FSLSSI_SIER_DBG_RX_FLAGS | FSLSSI_SIER_DBG_TX_FLAGS) + +enum fsl_ssi_type { + FSL_SSI_MCP8610, + FSL_SSI_MX21, + FSL_SSI_MX51, +}; + /** * fsl_ssi_private: per-SSI private data * @@ -189,6 +196,14 @@ struct fsl_ssi_private { char name[1]; }; +static const struct of_device_id fsl_ssi_ids[] = { + { .compatible = "fsl,mpc8610-ssi", .data = (void *) FSL_SSI_MCP8610}, + { .compatible = "fsl,imx51-ssi", .data = (void *) FSL_SSI_MX51}, + { .compatible = "fsl,imx21-ssi", .data = (void *) FSL_SSI_MX21}, + {} +}; +MODULE_DEVICE_TABLE(of, fsl_ssi_ids); + /** * fsl_ssi_isr: SSI interrupt handler * @@ -1118,6 +1133,8 @@ static int fsl_ssi_probe(struct platform_device *pdev) int ret = 0; struct device_attribute *dev_attr = NULL; struct device_node *np = pdev->dev.of_node; + const struct of_device_id *of_id; + enum fsl_ssi_type hw_type; const char *p, *sprop; const uint32_t *iprop; struct resource res; @@ -1132,6 +1149,11 @@ static int fsl_ssi_probe(struct platform_device *pdev) if (!of_device_is_available(np)) return -ENODEV; + of_id = of_match_device(fsl_ssi_ids, &pdev->dev); + if (!of_id) + return -EINVAL; + hw_type = (enum fsl_ssi_type) of_id->data; + /* We only support the SSI in "I2S Slave" mode */ sprop = of_get_property(np, "fsl,mode", NULL); if (!sprop) { @@ -1211,7 +1233,8 @@ static int fsl_ssi_probe(struct platform_device *pdev) ssi_private->baudclk_locked = false; spin_lock_init(&ssi_private->baudclk_lock); - if (of_device_is_compatible(pdev->dev.of_node, "fsl,imx21-ssi")) { + if (hw_type == FSL_SSI_MX21 || hw_type == FSL_SSI_MX51 || + hw_type == FSL_SSI_MX35) { u32 dma_events[2]; ssi_private->ssi_on_imx = true; @@ -1414,13 +1437,6 @@ static int fsl_ssi_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id fsl_ssi_ids[] = { - { .compatible = "fsl,mpc8610-ssi", }, - { .compatible = "fsl,imx21-ssi", }, - {} -}; -MODULE_DEVICE_TABLE(of, fsl_ssi_ids); - static struct platform_driver fsl_ssi_driver = { .driver = { .name = "fsl-ssi-dai", |