soc/ti/davinci-mcasp.c

1829 static int mcasp_reparent_fck(struct platform_device *pdev)
1831 	struct device_node *node = pdev->dev.of_node;
1843 	dev_warn(&pdev->dev, "Update the bindings to use assigned-clocks!\n");
1845 	gfclk = clk_get(&pdev->dev, "fck");
1847 		dev_err(&pdev->dev, "failed to get fck\n");
1853 		dev_err(&pdev->dev, "failed to get parent clock\n");
1860 		dev_err(&pdev->dev, "failed to reparent fck\n");
1881 				    struct platform_device *pdev)
1883 	struct device_node *np = pdev->dev.of_node;
1886 		device_get_match_data(&pdev->dev);
1891 	if (pdev->dev.platform_data) {
1892 		pdata = pdev->dev.platform_data;
1896 		pdata = devm_kmemdup(&pdev->dev, match_pdata, sizeof(*pdata),
1901 		dev_err(&pdev->dev, "No compatible match found\n");
1914 			dev_err(&pdev->dev, "tdm-slots must be in rage [2-32]\n");
1927 		u8 *of_serial_dir = devm_kzalloc(&pdev->dev,
1956 			dev_warn(&pdev->dev, "Invalid dismod value: %u\n", val);
1968 			dev_dbg(&pdev->dev, "Missing DT parameter(s) for audio\n");
1972 		dev_err(&pdev->dev, "Insufficient DT parameter(s)\n");
1980 			dev_warn(&pdev->dev, "invalid tdm slots: %d\n",
1984 			dev_warn(&pdev->dev, "invalid tdm slots: %d\n",
1996 	mcasp->context.xrsr_regs = devm_kcalloc(&pdev->dev,
2241 static int davinci_mcasp_probe(struct platform_device *pdev)
2250 	if (!pdev->dev.platform_data && !pdev->dev.of_node) {
2251 		dev_err(&pdev->dev, "No platform data supplied\n");
2255 	mcasp = devm_kzalloc(&pdev->dev, sizeof(struct davinci_mcasp),
2260 	mem = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
2262 		dev_warn(&pdev->dev,
2264 		mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2266 			dev_err(&pdev->dev, "no mem resource?\n");
2271 	mcasp->base = devm_ioremap_resource(&pdev->dev, mem);
2275 	dev_set_drvdata(&pdev->dev, mcasp);
2276 	pm_runtime_enable(&pdev->dev);
2278 	mcasp->dev = &pdev->dev;
2279 	ret = davinci_mcasp_get_config(mcasp, pdev);
2292 	irq = platform_get_irq_byname_optional(pdev, "common");
2294 		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_common",
2295 					  dev_name(&pdev->dev));
2300 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
2305 			dev_err(&pdev->dev, "common IRQ request failed\n");
2313 	irq = platform_get_irq_byname_optional(pdev, "rx");
2315 		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_rx",
2316 					  dev_name(&pdev->dev));
2321 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
2325 			dev_err(&pdev->dev, "RX IRQ request failed\n");
2332 	irq = platform_get_irq_byname_optional(pdev, "tx");
2334 		irq_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_tx",
2335 					  dev_name(&pdev->dev));
2340 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
2344 			dev_err(&pdev->dev, "TX IRQ request failed\n");
2351 	dat = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dat");
2418 	mcasp_reparent_fck(pdev);
2423 		ret = edma_pcm_platform_register(&pdev->dev);
2427 			ret = sdma_pcm_platform_register(&pdev->dev, "tx", "rx");
2429 			ret = sdma_pcm_platform_register(&pdev->dev, "tx", NULL);
2432 		ret = udma_pcm_platform_register(&pdev->dev);
2435 		dev_err(&pdev->dev, "No DMA controller found (%d)\n", ret);
2442 		dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
2446 	ret = devm_snd_soc_register_component(&pdev->dev, &davinci_mcasp_component,
2455 		dev_err(&pdev->dev, "gpiochip registration failed: %d\n", ret);
2461 	pm_runtime_disable(&pdev->dev);
2465 static void davinci_mcasp_remove(struct platform_device *pdev)
2467 	pm_runtime_disable(&pdev->dev);