Hi Patrick
On 4/21/20 5:11 PM, Patrick Delaunay wrote:
> This patch allows to switch the CPU frequency to 800MHz on the
> ST Microelectronics board (DK1/DK2 and EV1) when it supported by the HW
> (for STM32MP15xD and STM32MP15xF).
>
> Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
> ---
>
> 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 ---------
> 3 files changed, 10 insertions(+), 18 deletions(-)
>
> diff --git a/arch/arm/dts/stm32mp15-u-boot.dtsi
> b/arch/arm/dts/stm32mp15-u-boot.dtsi
> index e0b1223de8..497c1a01ec 100644
> --- a/arch/arm/dts/stm32mp15-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp15-u-boot.dtsi
> @@ -63,6 +63,16 @@
> 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 5844d41c53..97d5ea43c3 100644
> --- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi
> @@ -122,15 +122,6 @@
> CLK_LPTIM45_LSE
> >;
>
> - /* VCO = 1300.0 MHz => P = 650 (CPU) */
> - pll1: st,pll@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@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 ed2f024be9..9f9aa4ac65 100644
> --- a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
> @@ -119,15 +119,6 @@
> CLK_LPTIM45_LSE
> >;
>
> - /* VCO = 1300.0 MHz => P = 650 (CPU) */
> - pll1: st,pll@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@1 {
> compatible = "st,stm32mp1-pll";
Reviewed-by: Patrice Chotard <patrice.chot...@st.com>
Thanks
Patrice
