diff options
| author |   Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-02-10 16:09:50 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-02-11 11:47:56 +0000 |
| commit | fb0c3c6e2007da156d023e91da42c173ea33b102 (patch) | |
| tree | a32984bf87df09ff74ee939a05706b17b1bfc942 /sound/soc/ti | |
| parent | ASoC: ti: Add udma-pcm platform driver for UDMA (diff) | |
| download | wireguard-linux-fb0c3c6e2007da156d023e91da42c173ea33b102.tar.xz wireguard-linux-fb0c3c6e2007da156d023e91da42c173ea33b102.zip | |
ASoC: ti: davinci-mcasp: Add support for platforms using UDMA
k3 devices including am654 and j721e are using UDMA
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200210140950.11090-3-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/ti')
| -rw-r--r-- | sound/soc/ti/Kconfig | 4 | ||||
| -rw-r--r-- | sound/soc/ti/davinci-mcasp.c | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/sound/soc/ti/Kconfig b/sound/soc/ti/Kconfig index bf85a160a523..c5408c129f34 100644 --- a/sound/soc/ti/Kconfig +++ b/sound/soc/ti/Kconfig @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only menu "Audio support for Texas Instruments SoCs" -depends on DMA_OMAP || TI_EDMA || COMPILE_TEST +depends on DMA_OMAP || TI_EDMA || TI_K3_UDMA || COMPILE_TEST config SND_SOC_TI_EDMA_PCM tristate @@ -28,6 +28,7 @@ config SND_SOC_DAVINCI_MCASP tristate "Multichannel Audio Serial Port (McASP) support" select SND_SOC_TI_EDMA_PCM select SND_SOC_TI_SDMA_PCM + select SND_SOC_TI_UDMA_PCM help Say Y or M here if you want to have support for McASP IP found in various Texas Instruments SoCs like: @@ -35,6 +36,7 @@ config SND_SOC_DAVINCI_MCASP - Sitara line of SoCs (AM335x, AM438x, etc) - DRA7x devices - Keystone devices + - K3 devices (am654, j721e) config SND_SOC_DAVINCI_VCIF tristate "daVinci Voice Interface (VCIF) support" diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c index e1e937eb1dc1..d9c3a3210a24 100644 --- a/sound/soc/ti/davinci-mcasp.c +++ b/sound/soc/ti/davinci-mcasp.c @@ -38,6 +38,7 @@ #include "edma-pcm.h" #include "sdma-pcm.h" +#include "udma-pcm.h" #include "davinci-mcasp.h" #define MCASP_MAX_AFIFO_DEPTH 64 @@ -1875,6 +1876,7 @@ nodata: enum { PCM_EDMA, PCM_SDMA, + PCM_UDMA, }; static const char *sdma_prefix = "ti,omap"; @@ -1912,6 +1914,8 @@ static int davinci_mcasp_get_dma_type(struct davinci_mcasp *mcasp) dev_dbg(mcasp->dev, "DMA controller compatible = \"%s\"\n", tmp); if (!strncmp(tmp, sdma_prefix, strlen(sdma_prefix))) return PCM_SDMA; + else if (strstr(tmp, "udmap")) + return PCM_UDMA; return PCM_EDMA; } @@ -2371,6 +2375,9 @@ static int davinci_mcasp_probe(struct platform_device *pdev) case PCM_SDMA: ret = sdma_pcm_platform_register(&pdev->dev, "tx", "rx"); break; + case PCM_UDMA: + ret = udma_pcm_platform_register(&pdev->dev); + break; default: dev_err(&pdev->dev, "No DMA controller found (%d)\n", ret); case -EPROBE_DEFER: |