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authorAnson Huang <Anson.Huang@nxp.com>2019-01-03 17:04:45 +0800
committerJason Liu <jason.hui.liu@nxp.com>2019-02-12 10:35:49 +0800
commit74dbd8881211993b265bd30217c761323e31e132 (patch)
tree11cd89b6c54aa2133e00d45439b2db6dfe942a30 /arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi
parent290ef20492562c12397f47873f1a50425d9741a5 (diff)
MLK-20673 ARM64: dts: freescale: imx8qm: disable cpu-idle
Since some ATF versions could have cpu-idle with cpu/cluster power off support enabled, but due to some drivers are NOT ready to support cpu/cluster power off when idle, so i.MX8QM's cpu-idle with cpu/cluster power off is NOT ready at all, disable it to avoid confusion, and ATF can have the full cpu-idle support there. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Bai Ping <ping.bai@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi')
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi
index 94a83cc7cd66..746ee65722b7 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi
@@ -298,6 +298,7 @@
clocks = <&clk IMX8QM_A53_DIV>;
clock-latency = <61036>;
#cooling-cells = <2>;
+ /delete-property/ cpu-idle-states;
};
&A72_0 {
@@ -312,6 +313,7 @@
clocks = <&clk IMX8QM_A72_DIV>;
clock-latency = <61036>;
#cooling-cells = <2>;
+ /delete-property/ cpu-idle-states;
};
@@ -324,3 +326,19 @@
/*underdrive*/ 400000 0 /*core/shader clock share the same frequency on underdrive mode*/
>;
};
+
+&A53_1 {
+ /delete-property/ cpu-idle-states;
+};
+
+&A53_2 {
+ /delete-property/ cpu-idle-states;
+};
+
+&A53_3 {
+ /delete-property/ cpu-idle-states;
+};
+
+&A72_1 {
+ /delete-property/ cpu-idle-states;
+};