diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/ipq806x/config-4.4 | 1 | ||||
| -rw-r--r-- | target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065.dtsi | 12 | ||||
| -rw-r--r-- | target/linux/ipq806x/patches-4.4/181-cpuidle-Add-cpuidle-support-for-QCOM-cpus.patch | 29 | ||||
| -rw-r--r-- | target/linux/ipq806x/patches-4.4/303-add-saw_l2-and-sns-into-ipq8064-DT.patch (renamed from target/linux/ipq806x/patches-4.4/176-add-saw_l2-into-ipq8064-DT.patch) | 0 | ||||
| -rw-r--r-- | target/linux/ipq806x/patches-4.4/304-add-cpu-idle-state-into-ipq8064-DT.patch | 60 |
5 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/ipq806x/config-4.4 b/target/linux/ipq806x/config-4.4 index 252e53a140..7094965dd2 100644 --- a/target/linux/ipq806x/config-4.4 +++ b/target/linux/ipq806x/config-4.4 @@ -49,6 +49,7 @@ CONFIG_ARM_L1_CACHE_SHIFT_6=y # CONFIG_ARM_LPAE is not set CONFIG_ARM_PATCH_PHYS_VIRT=y CONFIG_ARM_QCOM_CPUFREQ=y +CONFIG_ARM_QCOM_CPUIDLE=y # CONFIG_ARM_SMMU is not set # CONFIG_ARM_SP805_WATCHDOG is not set CONFIG_ARM_THUMB=y diff --git a/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065.dtsi b/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065.dtsi index f09ec92919..fcc08d91ae 100644 --- a/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065.dtsi +++ b/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065.dtsi @@ -36,6 +36,7 @@ cooling-min-state = <0>; cooling-max-state = <10>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_SPC>; }; cpu1: cpu@1 { @@ -54,6 +55,7 @@ cooling-min-state = <0>; cooling-max-state = <10>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_SPC>; }; L2: l2-cache { @@ -65,6 +67,16 @@ qcom,l2 { qcom,l2-rates = <384000000 1000000000 1200000000>; }; + + idle-states { + CPU_SPC: spc { + compatible = "qcom,idle-state-spc", + "arm,idle-state"; + entry-latency-us = <400>; + exit-latency-us = <900>; + min-residency-us = <3000>; + }; + }; }; cpu-pmu { diff --git a/target/linux/ipq806x/patches-4.4/181-cpuidle-Add-cpuidle-support-for-QCOM-cpus.patch b/target/linux/ipq806x/patches-4.4/181-cpuidle-Add-cpuidle-support-for-QCOM-cpus.patch new file mode 100644 index 0000000000..b766ec07ec --- /dev/null +++ b/target/linux/ipq806x/patches-4.4/181-cpuidle-Add-cpuidle-support-for-QCOM-cpus.patch @@ -0,0 +1,29 @@ +From 252a4e72dfd7add3c37604449fd20db29d84c6f8 Mon Sep 17 00:00:00 2001 +From: Lina Iyer <lina.iyer@linaro.org> +Date: Wed, 25 Mar 2015 14:25:29 -0600 +Subject: ARM: cpuidle: Add cpuidle support for QCOM cpus + +Define ARM_QCOM_CPUIDLE config item to enable cpuidle support. + +Cc: Stephen Boyd <sboyd@codeaurora.org> +Cc: Arnd Bergmann <arnd@arndb.de> +Cc: Kevin Hilman <khilman@linaro.org> +Cc: Daniel Lezcano <daniel.lezcano@linaro.org> +Signed-off-by: Lina Iyer <lina.iyer@linaro.org> +--- + drivers/cpuidle/Kconfig.arm | 7 +++++++ + 1 file changed, 7 insertions(+) + +--- a/drivers/cpuidle/Kconfig.arm ++++ b/drivers/cpuidle/Kconfig.arm +@@ -74,3 +74,10 @@ config ARM_MVEBU_V7_CPUIDLE + depends on ARCH_MVEBU && !ARM64 + help + Select this to enable cpuidle on Armada 370, 38x and XP processors. ++ ++config ARM_QCOM_CPUIDLE ++ bool "CPU Idle Driver for QCOM processors" ++ depends on ARCH_QCOM ++ select ARM_CPUIDLE ++ help ++ Select this to enable cpuidle on QCOM processors. diff --git a/target/linux/ipq806x/patches-4.4/176-add-saw_l2-into-ipq8064-DT.patch b/target/linux/ipq806x/patches-4.4/303-add-saw_l2-and-sns-into-ipq8064-DT.patch index d4f6c68a74..d4f6c68a74 100644 --- a/target/linux/ipq806x/patches-4.4/176-add-saw_l2-into-ipq8064-DT.patch +++ b/target/linux/ipq806x/patches-4.4/303-add-saw_l2-and-sns-into-ipq8064-DT.patch diff --git a/target/linux/ipq806x/patches-4.4/304-add-cpu-idle-state-into-ipq8064-DT.patch b/target/linux/ipq806x/patches-4.4/304-add-cpu-idle-state-into-ipq8064-DT.patch new file mode 100644 index 0000000000..9a8795a3ae --- /dev/null +++ b/target/linux/ipq806x/patches-4.4/304-add-cpu-idle-state-into-ipq8064-DT.patch @@ -0,0 +1,60 @@ +From 3985d2c24d96f72211488fc6ebb53b032e4d0a05 Mon Sep 17 00:00:00 2001 +From: Pavel Kubelun <be.dissent@gmail.com> +Date: Sun, 6 Nov 2016 19:02:34 +0300 +Subject: [PATCH] ipq806x: add cpu idle state into ipq8064 DT + +Signed-off-by: Pavel Kubelun <be.dissent@gmail.com> +--- + arch/arm/boot/dts/qcom-ipq8064.dtsi | 16 ++++++++++++++-- + 1 file changed, 14 insertions(+), 2 deletions(-) + +diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi +index cb9c41d..8c989c0 100644 +--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi ++++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi +@@ -18,7 +18,7 @@ + #address-cells = <1>; + #size-cells = <0>; + +- cpu@0 { ++ cpu0: cpu@0 { + compatible = "qcom,krait"; + enable-method = "qcom,kpss-acc-v1"; + device_type = "cpu"; +@@ -31,9 +31,10 @@ + clock-latency = <100000>; + cpu-supply = <&smb208_s2a>; + voltage-tolerance = <5>; ++ cpu-idle-states = <&CPU_SPC>; + }; + +- cpu@1 { ++ cpu1: cpu@1 { + compatible = "qcom,krait"; + enable-method = "qcom,kpss-acc-v1"; + device_type = "cpu"; +@@ -45,6 +46,7 @@ + clock-names = "cpu", "l2"; + clock-latency = <100000>; + cpu-supply = <&smb208_s2b>; ++ cpu-idle-states = <&CPU_SPC>; + }; + + L2: l2-cache { +@@ -56,6 +58,16 @@ + qcom,l2 { + qcom,l2-rates = <384000000 1000000000 1200000000>; + }; ++ ++ idle-states { ++ CPU_SPC: spc { ++ compatible = "qcom,idle-state-spc", ++ "arm,idle-state"; ++ entry-latency-us = <400>; ++ exit-latency-us = <900>; ++ min-residency-us = <3000>; ++ }; ++ }; + }; + + cpu-pmu { |