linux-kernel - Re: [PATCH v4 17/19] ARM: tegra: Update sound node clocks in device tree

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Date:   Wed, 18 Dec 2019 10:47:44 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com,
        mperttunen@...dia.com, gregkh@...uxfoundation.org,
        sboyd@...nel.org, robh+dt@...nel.org, mark.rutland@....com
Cc:     pdeschrijver@...dia.com, pgaikwad@...dia.com, spujar@...dia.com,
        josephl@...dia.com, daniel.lezcano@...aro.org,
        mmaddireddy@...dia.com, markz@...dia.com,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 17/19] ARM: tegra: Update sound node clocks in device
 tree

17.12.2019 23:04, Sowjanya Komatineni пишет:
> clk_out_1, clk_out_2, and clk_out_3 are part of Tegra PMC block
> and are moved from clock driver to pmc driver with pmc as clock
> provider.
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> 
> clk_out_1 is dedicated for audio mclk on Tegra30 through Tegra210.
> 
> This patch updates device tree sound node to use clk_out_1 from
> pmc provider as mclk and uses assigned-clock properties to specify
> clock parents for clk_out_1 and extern1.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
> ---
>  arch/arm/boot/dts/tegra114-dalmore.dts      | 7 ++++++-
>  arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi | 7 ++++++-
>  arch/arm/boot/dts/tegra124-apalis.dtsi      | 7 ++++++-
>  arch/arm/boot/dts/tegra124-jetson-tk1.dts   | 7 ++++++-
>  arch/arm/boot/dts/tegra124-nyan.dtsi        | 7 ++++++-
>  arch/arm/boot/dts/tegra124-venice2.dts      | 7 ++++++-
>  arch/arm/boot/dts/tegra30-apalis-v1.1.dtsi  | 7 ++++++-
>  arch/arm/boot/dts/tegra30-apalis.dtsi       | 7 ++++++-
>  arch/arm/boot/dts/tegra30-beaver.dts        | 7 ++++++-
>  arch/arm/boot/dts/tegra30-cardhu.dtsi       | 7 ++++++-
>  arch/arm/boot/dts/tegra30-colibri.dtsi      | 7 ++++++-
>  11 files changed, 66 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
> index 97a5c3504bbe..c1914b590f5c 100644
> --- a/arch/arm/boot/dts/tegra114-dalmore.dts
> +++ b/arch/arm/boot/dts/tegra114-dalmore.dts
> @@ -1296,7 +1296,12 @@
>  
>  		clocks = <&tegra_car TEGRA114_CLK_PLL_A>,
>  			 <&tegra_car TEGRA114_CLK_PLL_A_OUT0>,
> -			 <&tegra_car TEGRA114_CLK_EXTERN1>;
> +			 <&pmc TEGRA_PMC_CLK_OUT_1>;
>  		clock-names = "pll_a", "pll_a_out0", "mclk";
> +
> +		assigned-clocks = <&tegra_car TEGRA114_CLK_EXTERN1>,
> +				  <&pmc TEGRA_PMC_CLK_OUT_1>;

Won't hurt to add a blank line here, similarly in other places below.

> +		assigned-clock-parents = <&tegra_car TEGRA114_CLK_PLL_A_OUT0>,
> +					 <&tegra_car TEGRA114_CLK_EXTERN1>;

[snip]