[U-Boot] [RFC 09/11] armv7R: dts: k3: am654: Update for loading SYSFW from MMC

[Chee, Tien Fong]

On Thu, 2019-05-16 at 15:54 -0500, Andreas Dannenberg wrote:
> From: Lokesh Vutla <lokeshvutla at ti.com>
> 
> In order to load the sysfw.itb from an MMC device, clocks should be
> hard
> coded to the same value as ROM configured frequency. Clock updates
> cannot
> happen at this point as SYSFW is not yet available. So updating the
> clock
> properties for MMC nodes.
> 
> Furthermore, create a new node for the FS loader framework which we
> want
> to use to load the actual firmware file from the boot media.
> 
> Signed-off-by: Andreas Dannenberg <dannenberg at ti.com>
> ---
>  arch/arm/dts/k3-am654-r5-base-board.dts | 24
> ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts
> b/arch/arm/dts/k3-am654-r5-base-board.dts
> index a07038be70..75880158a2 100644
> --- a/arch/arm/dts/k3-am654-r5-base-board.dts
> +++ b/arch/arm/dts/k3-am654-r5-base-board.dts
> @@ -22,6 +22,12 @@
>  	chosen {
>  		stdout-path = "serial2:115200n8";
>  		tick-timer = &timer1;
> +		firmware-loader = &fs_loader0;
> +	};
> +
> +	fs_loader0: fs_loader at 0 {
> +		u-boot,dm-pre-reloc;
> +		compatible = "u-boot,fs-loader";

Why not using phandlepart = <&mmc 1>, this would help to avoid mmc init
duplication in a few places such as patch [05/11].

>  	};
>  
>  	aliases {
> @@ -96,6 +102,12 @@
>  		u-boot,dm-spl;
>  	};
>  
> +	clk_200mhz: dummy_clock {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <200000000>;
> +		u-boot,dm-spl;
> +	};
>  };
>  
>  &dmsc {
> @@ -137,3 +149,15 @@
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&wkup_vtt_pins_default>;
>  };
> +
> +&sdhci0 {
> +	clock-names = "clk_xin";
> +	clocks = <&clk_200mhz>;
> +	/delete-property/ power-domains;
> +};
> +
> +&sdhci1 {
> +	clock-names = "clk_xin";
> +	clocks = <&clk_200mhz>;
> +	/delete-property/ power-domains;
> +};