On 29/08/2023 12:56, Robert Marko wrote:
>
> On 29. 08. 2023. 12:12, Krzysztof Kozlowski wrote:
>> On 29/08/2023 11:54, Gokul Sriram Palanisamy wrote:
>>> Add the APCS, A53 PLL, cpu-opp-table nodes to set
>>> the CPU frequency at optimal range.
>>>
>>> Co-developed-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
>>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
>>> Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@xxxxxxxxxxx>
>>> ---
>>> arch/arm64/boot/dts/qcom/ipq5018.dtsi | 34 +++++++++++++++++++++++++++
>>> 1 file changed, 34 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>> index 9f13d2dcdfd5..05843517312c 100644
>>> --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>> @@ -8,6 +8,7 @@
>>> #include <dt-bindings/interrupt-controller/arm-gic.h>
>>> #include <dt-bindings/clock/qcom,gcc-ipq5018.h>
>>> #include <dt-bindings/reset/qcom,gcc-ipq5018.h>
>>> +#include <dt-bindings/clock/qcom,apss-ipq.h>
>> c is before r.
>>
>>>
>>> / {
>>> interrupt-parent = <&intc>;
>>> @@ -36,6 +37,8 @@ CPU0: cpu@0 {
>>> reg = <0x0>;
>>> enable-method = "psci";
>>> next-level-cache = <&L2_0>;
>>> + clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
>>> + operating-points-v2 = <&cpu_opp_table>;
>>> };
>>>
>>> CPU1: cpu@1 {
>>> @@ -44,6 +47,8 @@ CPU1: cpu@1 {
>>> reg = <0x1>;
>>> enable-method = "psci";
>>> next-level-cache = <&L2_0>;
>>> + clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
>>> + operating-points-v2 = <&cpu_opp_table>;
>>> };
>>>
>>> L2_0: l2-cache {
>>> @@ -54,6 +59,17 @@ L2_0: l2-cache {
>>> };
>>> };
>>>
>>> + cpu_opp_table: opp-table-cpu {
>>> + compatible = "operating-points-v2";
>>> + opp-shared;
>>> +
>>> + opp-1008000000 {
>>> + opp-hz = /bits/ 64 <1008000000>;
>>> + opp-microvolt = <1100000>;
>>> + clock-latency-ns = <200000>;
>> And the rest of OPPs?
> Hi Krzysztof,
> IPQ5018 only supports running at 1.1GHz, but its running at 800MHz
> by default from the bootloader so there is only one OPP.
Isn't this contradictory? If it is running at 800 initially, then it
supports running at 800...
Best regards,
Krzysztof
