linux-kernel - Re: [PATCH] ARM64: dts: imx8mm-evk: Assigned clocks for audio plls

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Date:   Wed, 16 Oct 2019 11:14:03 +0000
From:   Daniel Baluta <daniel.baluta@....com>
To:     dl-linux-imx <linux-imx@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "festevam@...il.com" <festevam@...il.com>,
        Jacky Bai <ping.bai@....com>, Jun Li <jun.li@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "S.j. Wang" <shengjiu.wang@....com>,
        Anson Huang <anson.huang@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
Subject: Re: [PATCH] ARM64: dts: imx8mm-evk: Assigned clocks for audio plls

On Wed, 2019-10-16 at 10:36 +0000, S.j. Wang wrote:
> Assign clocks and clock-rates for audio plls, that audio
> drivers can utilize them.
> 
> Add dai-tdm-slot-num and dai-tdm-slot-width for sound-wm8524,
> that sai driver can generate correct bit clock.
> 
> Fixes: 13f3b9fdef6c ("arm64: dts: imx8mm-evk: Enable audio codec
> wm8524")
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>

Reviewed-by: Daniel Baluta <daniel.baluta@....com>

> ---
>  arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 2 ++
>  arch/arm64/boot/dts/freescale/imx8mm.dtsi    | 8 ++++++--
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> index f7a15f3904c2..13137451b438 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> @@ -62,6 +62,8 @@
>  
>  		cpudai: simple-audio-card,cpu {
>  			sound-dai = <&sai3>;
> +			dai-tdm-slot-num = <2>;
> +			dai-tdm-slot-width = <32>;
>  		};
>  
>  		simple-audio-card,codec {
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index 5f9d0da196e1..2139c0a9c495 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -479,14 +479,18 @@
>  						<&clk
> IMX8MM_CLK_AUDIO_AHB>,
>  						<&clk
> IMX8MM_CLK_IPG_AUDIO_ROOT>,
>  						<&clk IMX8MM_SYS_PLL3>,
> -						<&clk
> IMX8MM_VIDEO_PLL1>;
> +						<&clk
> IMX8MM_VIDEO_PLL1>,
> +						<&clk
> IMX8MM_AUDIO_PLL1>,
> +						<&clk
> IMX8MM_AUDIO_PLL2>;
>  				assigned-clock-parents = <&clk
> IMX8MM_SYS_PLL3_OUT>,
>  							 <&clk
> IMX8MM_SYS_PLL1_800M>;
>  				assigned-clock-rates = <0>,
>  							<400000000>,
>  							<400000000>,
>  							<750000000>,
> -							<594000000>;
> +							<594000000>,
> +							<393216000>,
> +							<361267200>;
>  			};
>  
>  			src: reset-controller@...90000 {