[Uboot-stm32] [PATCH v2 8/9] ARM: dts: stm32mp1: use OPP information for PLL1 settings in SPL

Patrice CHOTARD patrice.chotard at st.com
Fri Jul 3 09:07:16 CEST 2020


HI Patrick

On 5/25/20 12:19 PM, Patrick Delaunay wrote:
> This patch allows to switch the CPU frequency to 800MHz on the
> ST Microelectronics board (DK1/DK2 and EV1) or dh electronics SOM
> using the STM32MP15x SOC and when it is supported by the HW
> (for STM32MP15xD and STM32MP15xF).
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> ---
>
> Changes in v2:
> - update stm32mp15xx-dhcor and dhcom device tree
>
>  arch/arm/dts/stm32mp15-u-boot.dtsi         | 10 ++++++++++
>  arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi   |  9 ---------
>  arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi   |  9 ---------
>  arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi |  9 ---------
>  arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi |  9 ---------
>  5 files changed, 10 insertions(+), 36 deletions(-)
>
> diff --git a/arch/arm/dts/stm32mp15-u-boot.dtsi b/arch/arm/dts/stm32mp15-u-boot.dtsi
> index a0d971ad88..66be7df9ae 100644
> --- a/arch/arm/dts/stm32mp15-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp15-u-boot.dtsi
> @@ -88,6 +88,16 @@
>  	u-boot,dm-pre-reloc;
>  };
>  
> +&cpu0_opp_table {
> +	u-boot,dm-spl;
> +	opp-650000000 {
> +		u-boot,dm-spl;
> +	};
> +	opp-800000000 {
> +		u-boot,dm-spl;
> +	};
> +};
> +
>  &gpioa {
>  	u-boot,dm-pre-reloc;
>  };
> diff --git a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
> index c52abeb1e7..69cdae6685 100644
> --- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
> @@ -118,15 +118,6 @@
>  		CLK_LPTIM45_LSE
>  	>;
>  
> -	/* VCO = 1300.0 MHz => P = 650 (CPU) */
> -	pll1: st,pll at 0 {
> -		compatible = "st,stm32mp1-pll";
> -		reg = <0>;
> -		cfg = < 2 80 0 0 0 PQR(1,0,0) >;
> -		frac = < 0x800 >;
> -		u-boot,dm-pre-reloc;
> -	};
> -
>  	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
>  	pll2: st,pll at 1 {
>  		compatible = "st,stm32mp1-pll";
> diff --git a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
> index 84af7fa47b..3f716306be 100644
> --- a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
> @@ -115,15 +115,6 @@
>  		CLK_LPTIM45_LSE
>  	>;
>  
> -	/* VCO = 1300.0 MHz => P = 650 (CPU) */
> -	pll1: st,pll at 0 {
> -		compatible = "st,stm32mp1-pll";
> -		reg = <0>;
> -		cfg = < 2 80 0 0 0 PQR(1,0,0) >;
> -		frac = < 0x800 >;
> -		u-boot,dm-pre-reloc;
> -	};
> -
>  	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
>  	pll2: st,pll at 1 {
>  		compatible = "st,stm32mp1-pll";
> diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> index 75d75266e8..f96de9e7a3 100644
> --- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
> @@ -235,15 +235,6 @@
>  		CLK_LPTIM45_LSE
>  	>;
>  
> -	/* VCO = 1300.0 MHz => P = 650 (CPU) */
> -	pll1: st,pll at 0 {
> -		compatible = "st,stm32mp1-pll";
> -		reg = <0>;
> -		cfg = < 2 80 0 0 0 PQR(1,0,0) >;
> -		frac = < 0x800 >;
> -		u-boot,dm-pre-reloc;
> -	};
> -
>  	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
>  	pll2: st,pll at 1 {
>  		compatible = "st,stm32mp1-pll";
> diff --git a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
> index ef730a8322..4059dabf1d 100644
> --- a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
> @@ -105,15 +105,6 @@
>  		CLK_LPTIM45_LSE
>  	>;
>  
> -	/* VCO = 1300.0 MHz => P = 650 (CPU) */
> -	pll1: st,pll at 0 {
> -		compatible = "st,stm32mp1-pll";
> -		reg = <0>;
> -		cfg = < 2 80 0 0 0 PQR(1,0,0) >;
> -		frac = < 0x800 >;
> -		u-boot,dm-pre-reloc;
> -	};
> -
>  	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
>  	pll2: st,pll at 1 {
>  		compatible = "st,stm32mp1-pll";

Reviewed-by: Patrice Chotard <patrice.chotard at st.com>

Thanks


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