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@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@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 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@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/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@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/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@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";