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.delau...@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";
--
2.17.1
