diff options
| author | Peng Fan <peng.fan@nxp.com> | 2026-03-02 18:07:42 +0300 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-04-06 04:35:35 +0300 |
| commit | d7a3aa262f79a63545014c69b8ead94692c8a7e5 (patch) | |
| tree | 22637c5968e2a6ddfb7d75325201c894737e5978 | |
| parent | 137c291faac3e5ef3e1dfddb8726b30958a08097 (diff) | |
| download | linux-d7a3aa262f79a63545014c69b8ead94692c8a7e5.tar.xz | |
ARM: dts: imx7ulp: Add CPU clock and OPP table support
Add missing CPU clock definitions and operating-points-v2 table for the
Cortex-A7 on i.MX7ULP to enable proper CPU frequency scaling and
integration with the cpufreq/OPP frameworks.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi b/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi index 880b9a4f32b0..1355feda1aa7 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi @@ -41,6 +41,34 @@ compatible = "arm,cortex-a7"; device_type = "cpu"; reg = <0xf00>; + clocks = <&smc1 IMX7ULP_CLK_ARM>, + <&scg1 IMX7ULP_CLK_CORE>, + <&scg1 IMX7ULP_CLK_SYS_SEL>, + <&scg1 IMX7ULP_CLK_HSRUN_CORE>, + <&scg1 IMX7ULP_CLK_HSRUN_SYS_SEL>, + <&scg1 IMX7ULP_CLK_FIRC>; + clock-names = "arm", "core", "scs_sel", + "hsrun_core", "hsrun_scs_sel", + "firc"; + operating-points-v2 = <&cpu0_opp_table>; + }; + }; + + cpu0_opp_table: opp-table { + compatible = "operating-points-v2"; + opp-shared; + + opp-500210000 { + opp-hz = /bits/ 64 <500210000>; + opp-microvolt = <1025000>; + clock-latency-ns = <150000>; + opp-suspend; + }; + + opp-720000000 { + opp-hz = /bits/ 64 <720000000>; + opp-microvolt = <1125000>; + clock-latency-ns = <150000>; }; }; |