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arm64: dts: imx8mp: Add cpu-freq support

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Add A53 OPP table and cpu regulator to support cpu-freq driver.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Anson Huang <Anson.Huang@nxp.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: NXP Linux Team <linux-imx@nxp.com>
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Marek Vasut 2022-03-11 18:23:52 +01:00 committed by Shawn Guo
parent 9ad9773e89
commit 21a14c68f3
1 changed files with 33 additions and 0 deletions
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33
arch/arm64/boot/dts/freescale/imx8mp.dtsi
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@ -61,6 +61,7 @@
next-level-cache = <&A53_L2>;
nvmem-cells = <&cpu_speed_grade>;
nvmem-cell-names = "speed_grade";
operating-points-v2 = <&a53_opp_table>;
#cooling-cells = <2>;
};
@ -78,6 +79,7 @@
d-cache-line-size = <64>;
d-cache-sets = <128>;
next-level-cache = <&A53_L2>;
operating-points-v2 = <&a53_opp_table>;
#cooling-cells = <2>;
};
@ -95,6 +97,7 @@
d-cache-line-size = <64>;
d-cache-sets = <128>;
next-level-cache = <&A53_L2>;
operating-points-v2 = <&a53_opp_table>;
#cooling-cells = <2>;
};
@ -112,6 +115,7 @@
d-cache-line-size = <64>;
d-cache-sets = <128>;
next-level-cache = <&A53_L2>;
operating-points-v2 = <&a53_opp_table>;
#cooling-cells = <2>;
};
@ -124,6 +128,35 @@
};
};
a53_opp_table: opp-table {
compatible = "operating-points-v2";
opp-shared;
opp-1200000000 {
opp-hz = /bits/ 64 <1200000000>;
opp-microvolt = <850000>;
opp-supported-hw = <0x8a0>, <0x7>;
clock-latency-ns = <150000>;
opp-suspend;
};
opp-1600000000 {
opp-hz = /bits/ 64 <1600000000>;
opp-microvolt = <950000>;
opp-supported-hw = <0xa0>, <0x7>;
clock-latency-ns = <150000>;
opp-suspend;
};
opp-1800000000 {
opp-hz = /bits/ 64 <1800000000>;
opp-microvolt = <1000000>;
opp-supported-hw = <0x20>, <0x3>;
clock-latency-ns = <150000>;
opp-suspend;
};
};
osc_32k: clock-osc-32k {
compatible = "fixed-clock";
#clock-cells = <0>;