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From: Daniel Baluta <daniel.baluta@nxp.com>
To: "robh+dt@kernel.org" <robh+dt@kernel.org>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"timur@kernel.org" <timur@kernel.org>,
	"nicoleotsuka@gmail.com" <nicoleotsuka@gmail.com>,
	"broonie@kernel.org" <broonie@kernel.org>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
	"festevam@gmail.com" <festevam@gmail.com>,
	dl-linux-imx <linux-imx@nxp.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Xiubo.Lee@gmail.com" <Xiubo.Lee@gmail.com>,
	"lgirdwood@gmail.com" <lgirdwood@gmail.com>,
	"tiwai@suse.com" <tiwai@suse.com>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	Daniel Baluta <daniel.baluta@nxp.com>
Subject: [PATCH 2/3] dt-bindings: sound: Clarify the usage of clocks in SAI
Date: Tue, 28 May 2019 13:21:01 +0000	[thread overview]
Message-ID: <20190528132034.3908-3-daniel.baluta@nxp.com> (raw)
In-Reply-To: <20190528132034.3908-1-daniel.baluta@nxp.com>

SAI might have up to 4 clock sources selected by an internal
CLK mux.

On imx6/7 mclk0/mclk1 are the same, while on imx8 mclk0 and
mclk1 are coming from different sources.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
---
 Documentation/devicetree/bindings/sound/fsl-sai.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/fsl-sai.txt b/Documentation/devicetree/bindings/sound/fsl-sai.txt
index 2e726b983845..db0497d1920a 100644
--- a/Documentation/devicetree/bindings/sound/fsl-sai.txt
+++ b/Documentation/devicetree/bindings/sound/fsl-sai.txt
@@ -15,8 +15,9 @@ Required properties:
   - clocks		: Must contain an entry for each entry in clock-names.
 
   - clock-names		: Must include the "bus" for register access and
-			  "mclk1", "mclk2", "mclk3" for bit clock and frame
-			  clock providing.
+			  "mclk0", "mclk1", "mclk2", "mclk3" the four clock
+			  sources of the SAI clock MUX selecting a clock
+			  for bit clock and frame clock providing.
   - dmas		: Generic dma devicetree binding as described in
 			  Documentation/devicetree/bindings/dma/dma.txt.
 
-- 
2.17.1


  parent reply	other threads:[~2019-05-28 13:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-28 13:20 [PATCH 0/3] Add mclk0 clock source for SAI Daniel Baluta
2019-05-28 13:21 ` [PATCH 1/3] ARM: dts: imx: Add mclk0 clock " Daniel Baluta
2019-05-29 22:57   ` Nicolin Chen
2019-05-28 13:21 ` Daniel Baluta [this message]
2019-06-14 20:00   ` [PATCH 2/3] dt-bindings: sound: Clarify the usage of clocks in SAI Rob Herring
2019-05-28 13:21 ` [PATCH 3/3] ASoC: fsl_sai: Read SAI clock source 0 from DT Daniel Baluta
2019-05-29 23:03 ` [PATCH 0/3] Add mclk0 clock source for SAI Nicolin Chen
2019-05-30  8:32   ` Daniel Baluta

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