linux-kernel - Re: [PATCH v4 07/12] dt-bindings: sound: lpass-cpu: Add sc7180 lpass cpu node

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Message-ID: <20200723171053.GA544557@bogus>
Date:   Thu, 23 Jul 2020 11:10:53 -0600
From:   Rob Herring <robh@...nel.org>
To:     Rohit kumar <rohitkr@...eaurora.org>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, plai@...eaurora.org, bgoswami@...eaurora.org,
        perex@...ex.cz, tiwai@...e.com, srinivas.kandagatla@...aro.org,
        linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 07/12] dt-bindings: sound: lpass-cpu: Add sc7180 lpass
 cpu node

On Wed, Jul 22, 2020 at 04:01:50PM +0530, Rohit kumar wrote:
> Add dt-bindings to support "qcom,lpass-cpu-sc7180" node.
> 
> Signed-off-by: Rohit kumar <rohitkr@...eaurora.org>
> ---
>  .../devicetree/bindings/sound/qcom,lpass-cpu.txt   | 55 +++++++++++++++++++++-
>  1 file changed, 53 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
> index 32c2cdb..c21392e 100644
> --- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
> +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
> @@ -4,7 +4,8 @@ This node models the Qualcomm Technologies Low-Power Audio SubSystem (LPASS).
>  
>  Required properties:
>  
> -- compatible		: "qcom,lpass-cpu" or "qcom,apq8016-lpass-cpu"
> +- compatible		: "qcom,lpass-cpu" or "qcom,apq8016-lpass-cpu" or
> +			  "qcom,lpass-cpu-sc7180"

qcom,sc7180-lpass-cpu

>  - clocks		: Must contain an entry for each entry in clock-names.
>  - clock-names		: A list which must include the following entries:
>  				* "ahbix-clk"
> @@ -18,6 +19,13 @@ Required properties:
>  				* "mi2s-bit-clk3"
>  				* "pcnoc-mport-clk"
>  				* "pcnoc-sway-clk"
> +			: required clocks for "qcom,lpass-cpu-sc7180"
> +				* "audio-core"
> +				* "mclk0"
> +				* "mi2s-bit-clk0"
> +				* "mi2s-bit-clk1"
> +				* "pcnoc-sway-clk"
> +				* "pcnoc-mport-clk"
>  
>  - interrupts		: Must contain an entry for each entry in
>  			  interrupt-names.
> @@ -53,7 +61,8 @@ Required properties for each DAI (represented by a subnode):
>  Note that adding a subnode changes the default to "no lines configured",
>  so both playback and capture lines should be configured when a subnode is added.
>  
> -Example:
> +Examples:
> +1)
>  
>  lpass@...00000 {
>  	compatible = "qcom,lpass-cpu";
> @@ -77,3 +86,45 @@ lpass@...00000 {
>  		qcom,playback-sd-lines = <0 1>;
>  	};
>  };
> +
> +2)
> +
> +#include <dt-bindings/sound/sc7180-lpass.h>
> +
> +lpass_cpu: lpass {
> +	compatible = "qcom,lpass-cpu-sc7180";
> +
> +	reg = <0 0x62F00000 0 0x29000>;
> +
> +	iommus = <&apps_smmu 0x1020 0>;
> +
> +	power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
> +	clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>,
> +		<&lpasscorecc LPASS_AUDIO_CORE_CORE_CLK>,
> +		<&lpasscorecc LPASS_AUDIO_CORE_EXT_MCLK0_CLK>,
> +		<&lpasscorecc LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK>,
> +		<&lpasscorecc LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK>,
> +		<&lpasscorecc LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK>;
> +	clock-names = "pcnoc-sway-clk", "audio-core",
> +			"mclk0", "pcnoc-mport-clk",
> +			"mi2s-bit-clk0", "mi2s-bit-clk1";
> +	interrupts = <0 160 IRQ_TYPE_LEVEL_HIGH>;
> +	interrupt-names = "lpass-irq-lpaif";
> +
> +
> +	#sound-dai-cells = <1>;
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	mi2s-primary@0 {
> +		reg = <MI2S_PRIMARY>;
> +		qcom,playback-sd-lines = <1>;
> +		qcom,capture-sd-lines = <0>;
> +	};
> +
> +	mi2s-secondary@1 {
> +		reg = <MI2S_SECONDARY>;
> +		qcom,playback-sd-lines = <0>;
> +	};
> +};
> -- 
> Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
> is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
>