[PATCH linux dev-4.17 v2 1/2] ARM: dts: aspeed: Add "spi-max-frequency" property

[Andrew Jeffery]

On Fri, 22 Jun 2018, at 16:39, Cédric Le Goater wrote:
> Keep the FMC controller chips at a safe 50 MHz rate and use 100 MHz
> for the PNOR on the machines using a AST2500 SoC.
> 
> Signed-off-by: Cédric Le Goater <clg at kaod.org>

Reviewed-by: Andrew Jeffery <andrew at aj.id.au>

> ---
>  arch/arm/boot/dts/aspeed-ast2500-evb.dts         | 2 ++
>  arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts    | 2 ++
>  arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts     | 2 ++
>  arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 3 +++
>  arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts       | 2 ++
>  arch/arm/boot/dts/aspeed-g4.dtsi                 | 2 ++
>  arch/arm/boot/dts/aspeed-g5.dtsi                 | 7 +++++++
>  7 files changed, 20 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed-ast2500-evb.dts b/arch/arm/boot/
> dts/aspeed-ast2500-evb.dts
> index c0a7f51e7eb6..6b78e40d3259 100644
> --- a/arch/arm/boot/dts/aspeed-ast2500-evb.dts
> +++ b/arch/arm/boot/dts/aspeed-ast2500-evb.dts
> @@ -41,6 +41,7 @@
>  		status = "okay";
>  		m25p,fast-read;
>  		label = "bmc";
> +		spi-max-frequency = <50000000>;
>  #include "openbmc-flash-layout.dtsi"
>  	};
>  };
> @@ -51,6 +52,7 @@
>  		status = "okay";
>  		m25p,fast-read;
>  		label = "pnor";
> +		spi-max-frequency = <100000000>;
>  	};
>  };
>  
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/
> boot/dts/aspeed-bmc-opp-palmetto.dts
> index e6095f51ecf5..af41973a3882 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
> @@ -66,6 +66,7 @@
>  		status = "okay";
>  		m25p,fast-read;
>  		label = "bmc";
> +		spi-max-frequency = <50000000>;
>  #include "openbmc-flash-layout.dtsi"
>  	};
>  };
> @@ -78,6 +79,7 @@
>  	flash at 0 {
>  		status = "okay";
>  		m25p,fast-read;
> +		spi-max-frequency = <50000000>;
>  		label = "pnor";
>  	};
>  };
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/
> boot/dts/aspeed-bmc-opp-romulus.dts
> index 347938673c83..ffe0c991d985 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
> @@ -93,6 +93,7 @@
>  		status = "okay";
>  		m25p,fast-read;
>  		label = "bmc";
> +		spi-max-frequency = <50000000>;
>  #include "openbmc-flash-layout.dtsi"
>  	};
>  };
> @@ -106,6 +107,7 @@
>  		status = "okay";
>  		m25p,fast-read;
>  		label = "pnor";
> +		spi-max-frequency = <100000000>;
>  	};
>  };
>  
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/
> arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> index d05ace220a09..c51e3e8ece62 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> @@ -190,6 +190,7 @@
>  		status = "okay";
>  		label = "bmc";
>  		m25p,fast-read;
> +		spi-max-frequency = <50000000>;
>  #include "openbmc-flash-layout.dtsi"
>  	};
>  
> @@ -197,6 +198,7 @@
>  		status = "okay";
>  		label = "alt";
>  		m25p,fast-read;
> +		spi-max-frequency = <50000000>;
>  	};
>  };
>  
> @@ -209,6 +211,7 @@
>  		status = "okay";
>  		label = "pnor";
>  		m25p,fast-read;
> +		spi-max-frequency = <100000000>;
>  	};
>  };
>  
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/
> dts/aspeed-bmc-opp-zaius.dts
> index 80cc7cba163c..757d6b3eb041 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
> @@ -124,6 +124,7 @@
>  		status = "okay";
>  		label = "bmc";
>  		m25p,fast-read;
> +		spi-max-frequency = <50000000>;
>  #include "openbmc-flash-layout.dtsi"
>  	};
>  };
> @@ -137,6 +138,7 @@
>  		status = "okay";
>  		label = "pnor";
>  		m25p,fast-read;
> +		spi-max-frequency = <100000000>;
>  	};
>  };
>  
> diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
> index 79257bf415a8..e526f54f400e 100644
> --- a/arch/arm/boot/dts/aspeed-g4.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g4.dtsi
> @@ -65,6 +65,7 @@
>  			flash at 0 {
>  				reg = < 0 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  		};
> @@ -80,6 +81,7 @@
>  			flash at 0 {
>  				reg = < 0 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  		};
> diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
> index 9cc50551c42e..afd33112c329 100644
> --- a/arch/arm/boot/dts/aspeed-g5.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g5.dtsi
> @@ -65,16 +65,19 @@
>  			flash at 0 {
>  				reg = < 0 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  			flash at 1 {
>  				reg = < 1 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  			flash at 2 {
>  				reg = < 2 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  		};
> @@ -90,11 +93,13 @@
>  			flash at 0 {
>  				reg = < 0 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  			flash at 1 {
>  				reg = < 1 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  		};
> @@ -110,11 +115,13 @@
>  			flash at 0 {
>  				reg = < 0 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  			flash at 1 {
>  				reg = < 1 >;
>  				compatible = "jedec,spi-nor";
> +				spi-max-frequency = <50000000>;
>  				status = "disabled";
>  			};
>  		};
> -- 
> 2.13.6
>