diff options
| author | Marek Vasut <marex@denx.de> | 2022-03-11 18:23:52 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-04-11 09:39:12 +0800 |
| commit | 21a14c68f3a34e1ad06d05c153446644fefa748b (patch) | |
| tree | f472bc7546f2c60d707b9e11570f813dfc228d9e /arch/arm64/boot/dts/freescale/imx8mp.dtsi | |
| parent | 9ad9773e89f8e06148b2a0e77fcdcd716f8f3b18 (diff) | |
arm64: dts: imx8mp: Add cpu-freq support
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>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mp.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp.dtsi | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 68e6c9099f65..e910dc22bf43 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -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>; |