diff options
| author | Abel Vesa <abel.vesa@nxp.com> | 2019-06-05 23:28:11 +0300 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 16:05:31 +0800 |
| commit | 8f8987f5c586f25ef54899802854b34f7199a310 (patch) | |
| tree | 16030e4fec46a2b24558c6d7d9ec8eef0ec1bc10 /arch/arm64 | |
| parent | 082a776ee0eb1c90a20a745b75599b618c90533d (diff) | |
arm64: dts: imx8mq: Add idle states and gpcv2 wake_request broken property
Add the cpu-sleep idle state with all the necessary parameters and also add
the cpu-idle-states to the cpu nodes.
The 'broken-wake-request-signals' property is used to let the irq-imx-gpcv2
driver know that the wake request signals from GIC are not linked to the
GPC at all and, therefore, the driver should make use of the dedicated
workaround to explicitly wake up the target core on every IPI.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Diffstat (limited to 'arch/arm64')
| -rwxr-xr-x | arch/arm64/boot/dts/freescale/imx8mq.dtsi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 65a364e57c14..1b956534bba3 100755 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -103,6 +103,7 @@ #cooling-cells = <2>; nvmem-cells = <&cpu_speed_grade>; nvmem-cell-names = "speed_grade"; + cpu-idle-states = <&CPU_SLEEP>; }; A53_1: cpu@1 { @@ -115,6 +116,7 @@ next-level-cache = <&A53_L2>; operating-points-v2 = <&a53_opp_table>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_SLEEP>; }; A53_2: cpu@2 { @@ -127,6 +129,7 @@ next-level-cache = <&A53_L2>; operating-points-v2 = <&a53_opp_table>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_SLEEP>; }; A53_3: cpu@3 { @@ -139,11 +142,27 @@ next-level-cache = <&A53_L2>; operating-points-v2 = <&a53_opp_table>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_SLEEP>; }; A53_L2: l2-cache0 { compatible = "cache"; }; + + idle-states { + entry-method = "psci"; + + CPU_SLEEP: cpu-sleep { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x0010033>; + local-timer-stop; + entry-latency-us = <1000>; + exit-latency-us = <700>; + min-residency-us = <2700>; + wakeup-latency-us = <1500>; + }; + }; + }; a53_opp_table: opp-table { @@ -541,6 +560,7 @@ reg = <0x303a0000 0x10000>; interrupt-parent = <&gic>; interrupt-controller; + broken-wake-request-signals; #interrupt-cells = <3>; pgc { |