linux-kernel - Re: [PATCH] arm64: dts: altera: socfpga_stratix10: move clocks out of soc node

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Message-ID: <1f1ac1ad-0eed-0871-93a9-56f710eeba98@kernel.org>
Date:   Thu, 23 Jun 2022 11:16:55 -0500
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     niravkumar.l.rabara@...el.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: altera: socfpga_stratix10: move clocks out of
 soc node



On 6/22/22 21:42, niravkumar.l.rabara@...el.com wrote:
> From: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
> 
> The clocks are not part of the SoC but provided on the board
> (external oscillators). Moving them out of soc node.
> 
> Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
> ---
>   .../boot/dts/altera/socfpga_stratix10.dtsi    | 56 +++++++++----------
>   1 file changed, 28 insertions(+), 28 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> index aa2bba75265f..5c7d926d18f7 100644
> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> @@ -97,6 +97,34 @@ intc: interrupt-controller@...c1000 {
>   		      <0x0 0xfffc6000 0x0 0x2000>;
>   	};
>   
> +	clocks {
> +		cb_intosc_hs_div2_clk: cb-intosc-hs-div2-clk {
> +			#clock-cells = <0>;
> +			compatible = "fixed-clock";
> +		};
> +
> +		cb_intosc_ls_clk: cb-intosc-ls-clk {
> +			#clock-cells = <0>;
> +			compatible = "fixed-clock";
> +		};
> +
> +		f2s_free_clk: f2s-free-clk {
> +			#clock-cells = <0>;
> +			compatible = "fixed-clock";
> +		};
> +
> +		osc1: osc1 {
> +			#clock-cells = <0>;
> +			compatible = "fixed-clock";
> +		};
> +
> +		qspi_clk: qspi-clk {
> +			#clock-cells = <0>;
> +			compatible = "fixed-clock";
> +			clock-frequency = <200000000>;
> +		};
> +	};
> +
>   	soc {
>   		#address-cells = <1>;
>   		#size-cells = <1>;
> @@ -119,34 +147,6 @@ clkmgr: clock-controller@...10000 {
>   			#clock-cells = <1>;
>   		};
>   
> -		clocks {
> -			cb_intosc_hs_div2_clk: cb-intosc-hs-div2-clk {
> -				#clock-cells = <0>;
> -				compatible = "fixed-clock";
> -			};
> -
> -			cb_intosc_ls_clk: cb-intosc-ls-clk {
> -				#clock-cells = <0>;
> -				compatible = "fixed-clock";
> -			};
> -
> -			f2s_free_clk: f2s-free-clk {
> -				#clock-cells = <0>;
> -				compatible = "fixed-clock";
> -			};
> -
> -			osc1: osc1 {
> -				#clock-cells = <0>;
> -				compatible = "fixed-clock";
> -			};
> -
> -			qspi_clk: qspi-clk {
> -				#clock-cells = <0>;
> -				compatible = "fixed-clock";
> -				clock-frequency = <200000000>;
> -			};
> -		};
> -
>   		gmac0: ethernet@...00000 {
>   			compatible = "altr,socfpga-stmmac-a10-s10", "snps,dwmac-3.74a", "snps,dwmac";
>   			reg = <0xff800000 0x2000>;

NAK! This patch breaks the Stratix10 boot. Also these clocks are part of 
the SoC!

Dinh