Re: [PATCH V2] arm64: dts: qcom: sc7180: Include xo clock to sdhc clocks list

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On Tue 21 Jul 03:44 PDT 2020, Shaik Sajida Bhanu wrote:

> From: Veerabhadrarao Badiganti <vbadigan@xxxxxxxxxxxxxx>
> 
> Include xo clock to sdhc clocks list which will be used
> in calculating MCLK_FREQ field of DLL_CONFIG2 register.
> 

Can you please describe why this is useful, perhaps required? What
difference does this make and what problem does it resolve?

If required please include a Fixes: tag here to show that you're fixing
the previous commit.

Thanks,
Bjorn

> Signed-off-by: Veerabhadrarao Badiganti <vbadigan@xxxxxxxxxxxxxx>
> Signed-off-by: Shaik Sajida Bhanu <sbhanu@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index d78a066..7ccb780 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -682,8 +682,9 @@
>  			interrupt-names = "hc_irq", "pwr_irq";
>  
>  			clocks = <&gcc GCC_SDCC1_APPS_CLK>,
> -					<&gcc GCC_SDCC1_AHB_CLK>;
> -			clock-names = "core", "iface";
> +					<&gcc GCC_SDCC1_AHB_CLK>,
> +					<&xo_board>;
> +			clock-names = "core", "iface", "xo";
>  			interconnects = <&aggre1_noc MASTER_EMMC &mc_virt SLAVE_EBI1>,
>  				<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_EMMC_CFG>;
>  			interconnect-names = "sdhc-ddr","cpu-sdhc";
> @@ -2481,8 +2482,9 @@
>  			interrupt-names = "hc_irq", "pwr_irq";
>  
>  			clocks = <&gcc GCC_SDCC2_APPS_CLK>,
> -					<&gcc GCC_SDCC2_AHB_CLK>;
> -			clock-names = "core", "iface";
> +					<&gcc GCC_SDCC2_AHB_CLK>,
> +					<&xo_board>;
> +			clock-names = "core", "iface", "xo";
>  
>  			interconnects = <&aggre1_noc MASTER_SDCC_2 &mc_virt SLAVE_EBI1>,
>  				<&gem_noc MASTER_APPSS_PROC &config_noc	SLAVE_SDCC_2>;
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member 
> of Code Aurora Forum, hosted by The Linux Foundation
> 



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