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Subject[PATCH V2] arm64: dts: imx8mn: Adjust 1.2GHz OPP voltage to OD mode
Date
According to latest datasheet Rev.0, 10/2019, there is restriction
as below:

"If VDD_SOC/GPU/DDR = 0.95V, then VDD_ARM must be >= 0.95V."

As by default SoC is running at OD mode(VDD_SOC = 0.95V), so
VDD_ARM 1.2GHz OPP's voltage should be increased to 0.95V.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
Changes since V1:
- Move the OPP change from board dts for soc dtsi.
---
arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index c98a376..f277572 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -116,7 +116,7 @@

opp-1200000000 {
opp-hz = /bits/ 64 <1200000000>;
- opp-microvolt = <850000>;
+ opp-microvolt = <950000>;
opp-supported-hw = <0xb00>, <0x7>;
clock-latency-ns = <150000>;
opp-suspend;
--
2.7.4
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