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From: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
To: alsa-devel@alsa-project.org
Cc: cezary.rojewski@intel.com, vinod.koul@linux.intel.com,
	andriy.shevchenko@intel.com, tiwai@suse.com,
	jee.heng.sia@intel.com, pierre-louis.bossart@linux.intel.com,
	liam.r.girdwood@linux.intel.com, broonie@kernel.org,
	lars@metafoo.de
Subject: [PATCH 2/5] dt-bindings: sound: intel, keembay-i2s: Add info for device to use DMA
Date: Mon, 16 Nov 2020 14:19:02 +0800	[thread overview]
Message-ID: <20201116061905.32431-3-michael.wei.hong.sit@intel.com> (raw)
In-Reply-To: <20201116061905.32431-1-michael.wei.hong.sit@intel.com>

Add descriptions for entries needed for audio device to use DMA
channels for audio playback and capture.

Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 .../bindings/sound/intel,keembay-i2s.yaml          | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml
index d346e61ab708..e0658f122cbb 100644
--- a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml
@@ -45,6 +45,18 @@ properties:
       - const: osc
       - const: apb_clk
 
+  dmas:
+    items:
+      - description: DMA controller phandle and DMA channel
+                     for TX and RX
+
+  dma-names:
+    items:
+      - description: "tx" for the transmit channel
+                     "rx" for the receive channel
+      - const: tx
+      - const: rx
+
 required:
   - compatible
   - "#sound-dai-cells"
@@ -70,4 +82,6 @@ examples:
          interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
          clock-names = "osc", "apb_clk";
          clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>;
+         dmas = <&axi_dma0 29 &axi_dma0 33>;
+         dma-names = "tx", "rx";
      };
-- 
2.17.1


  parent reply	other threads:[~2020-11-16  6:26 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-16  6:19 [PATCH 0/5] This patch series enables DMA mode on Intel Keem Bay platform Michael Sit Wei Hong
2020-11-16  6:19 ` [PATCH 1/5] ASoC: Intel: KMB: Fix S24_LE configuration Michael Sit Wei Hong
2020-11-16  6:19 ` Michael Sit Wei Hong [this message]
2020-11-16  6:19 ` [PATCH 3/5] ASoC: soc-generic-dmaengine-pcm: Add custom prepare and submit function Michael Sit Wei Hong
2020-11-16 19:58   ` Mark Brown
2020-11-16 20:10     ` Pierre-Louis Bossart
2020-11-16 21:16       ` Mark Brown
2020-11-16  6:19 ` [PATCH 4/5] ASoC: dmaengine_pcm: expose functions to header file for custom functions Michael Sit Wei Hong
2020-11-16  6:19 ` [PATCH 5/5] ASoC: Intel: KMB: Enable DMA transfer mode Michael Sit Wei Hong
2020-11-16 23:32 ` [PATCH 0/5] This patch series enables DMA mode on Intel Keem Bay platform Mark Brown
  -- strict thread matches above, loose matches on Subject: below --
2020-11-16  6:14 Michael Sit Wei Hong
2020-11-16  6:14 ` [PATCH 2/5] dt-bindings: sound: intel, keembay-i2s: Add info for device to use DMA Michael Sit Wei Hong

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