Commit 21a14c68 authored by Marek Vasut's avatar Marek Vasut Committed by Shawn Guo
Browse files

arm64: dts: imx8mp: Add cpu-freq support 



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

Signed-off-by: default avatarMarek 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: default avatarShawn Guo <shawnguo@kernel.org>
parent 9ad9773e

arch/arm64/boot/dts/freescale/imx8mp.dtsi

+33 −0
Original line number Diff line number Diff line
@@ -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>;