[2/3] dt-bindings: sound: Clarify the usage of clocks in SAI
diff mbox series

Message ID 20190528132034.3908-3-daniel.baluta@nxp.com
State New
Headers show
Series
  • Add mclk0 clock source for SAI
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Commit Message

Daniel Baluta May 28, 2019, 1:21 p.m. UTC
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(-)

Comments

Rob Herring June 14, 2019, 8 p.m. UTC | #1
On Tue, 28 May 2019 13:21:01 +0000, Daniel Baluta wrote:
> 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(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

Patch
diff mbox series

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.