[PATCH 1/2] ARM: dts: imx6: remove wrong spdif rxtx2 clock
Nicolin Chen
Guangyu.Chen at freescale.com
Sun Jun 15 19:27:15 PDT 2014
On Mon, Jun 16, 2014 at 02:39:44AM +0300, Anssi Hannula wrote:
> The rxtx2 clock of i.MX6 S/PDIF is currently set to "asrc" clock.
> However, according to SoC documentation, rxtx2 is connected to
> ASRC_EXT_CLK, a different external clock.
>
> Testing on Cubox-i system seems to confirm that: when fsl_spdif is
> forced to select rxtx2 as input clock, audio playback fails with an I/O
> error.
>
> Set rxtx2 to the dummy clock by default to prevent fsl_spdif from
> selecting it.
>
> Signed-off-by: Anssi Hannula <anssi.hannula at iki.fi>
> Cc: Nicolin Chen <Guangyu.Chen at freescale.com>
> Cc: Mark Brown <broonie at kernel.org>
Acked, thank you!
P.S. We might also revive rxtx5 (SYSCLK) since the driver now has the
capability to derive clock from it.
> ---
>
> This one seems clear enough.
>
> arch/arm/boot/dts/imx6qdl.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index ce0599134a69..3aef9a2f5fda 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -181,7 +181,7 @@
> <&sdma 15 18 0>;
> dma-names = "rx", "tx";
> clocks = <&clks 197>, <&clks 3>,
> - <&clks 197>, <&clks 107>,
> + <&clks 197>, <&clks 0>,
> <&clks 0>, <&clks 118>,
> <&clks 0>, <&clks 139>,
> <&clks 0>;
> --
> 1.8.4.5
>
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