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Subject: Re: [PATCH 1/6] dt-bindings: mailbox: qcom: Add clock-name optional
 property
To:     bjorn.andersson@linaro.org, robh+dt@kernel.org, agross@kernel.org,
        mark.rutland@arm.com
Cc:     niklas.cassel@linaro.org, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20190826164807.7028-1-jorge.ramirez-ortiz@linaro.org>
From:   Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
Message-ID: <d655e638-b937-eb03-1a6f-946864d7722d@linaro.org>
Date:   Thu, 5 Sep 2019 09:30:30 +0200
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On 8/26/19 18:48, Jorge Ramirez-Ortiz wrote:
> When the APCS clock is registered (platform dependent), it retrieves
> its parent names from hardcoded values in the driver.
> 
> The following commit allows the DT node to provide such clock names to
> the platform data based clock driver therefore avoiding having to
> explicitly embed those names in the clock driver source code.
> 
> Co-developed-by: Niklas Cassel <niklas.cassel@linaro.org>
> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>  .../mailbox/qcom,apcs-kpss-global.txt         | 24 ++++++++++++++++---
>  1 file changed, 21 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
> index 1232fc9fc709..b69310322b09 100644
> --- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
> +++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
> @@ -18,10 +18,11 @@ platforms.
>  	Usage: required
>  	Value type: <prop-encoded-array>
>  	Definition: must specify the base address and size of the global block
> +
>  - clocks:
> -	Usage: required if #clocks-cells property is present
> -	Value type: <phandle>
> -	Definition: phandle to the input PLL, which feeds the APCS mux/divider
> +	Usage: required if #clock-names property is present
> +	Value type: <phandle array>
> +	Definition: phandles to the two parent clocks of the clock driver.
>  
>  - #mbox-cells:
>  	Usage: required
> @@ -33,6 +34,12 @@ platforms.
>  	Value type: <u32>
>  	Definition: as described in clock.txt, must be 0
>  
> +- clock-names:
> +	Usage: required if the platform data based clock driver needs to
> +	retrieve the parent clock names from device tree.
> +	This will requires two mandatory clocks to be defined.
> +	Value type: <string-array>
> +	Definition: must be "aux" and "pll"
>  
>  = EXAMPLE
>  The following example describes the APCS HMSS found in MSM8996 and part of the
> @@ -65,3 +72,14 @@ Below is another example of the APCS binding on MSM8916 platforms:
>  		clocks = <&a53pll>;
>  		#clock-cells = <0>;
>  	};
> +
> +Below is another example of the APCS binding on QCS404 platforms:
> +
> +	apcs_glb: mailbox@b011000 {
> +		compatible = "qcom,qcs404-apcs-apps-global", "syscon";
> +		reg = <0x0b011000 0x1000>;
> +		#mbox-cells = <1>;
> +		clocks = <&gcc GCC_GPLL0_AO_OUT_MAIN>, <&apcs_hfpll>;
> +		clock-names = "aux", "pll";
> +		#clock-cells = <0>;
> +	};
> 

just a quick follow up, is this series being picked-up?