From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Xie Subject: [PATCH] arm64: dts: rockchip: Add idle-states to device tree for rk3399 Date: Fri, 24 Aug 2018 18:03:00 +0800 Message-ID: <1535104980-8456-2-git-send-email-tony.xie@rock-chips.com> References: <1535104980-8456-1-git-send-email-tony.xie@rock-chips.com> Return-path: In-Reply-To: <1535104980-8456-1-git-send-email-tony.xie@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: heiko@sntech.de Cc: robh+dt@kernel.org, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, chenjh@rock-chips.com, xsf@rock-chips.com, zhangqing@rock-chips.com, huangtao@rock-chips.com, tony.xie@rock-chips.com List-Id: devicetree@vger.kernel.org Signed-off-by: Tony Xie --- arch/arm64/boot/dts/rockchip/rk3399.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index e0040b6..49fb57f 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -111,6 +111,7 @@ #cooling-cells = <2>; /* min followed by max */ clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_l1: cpu@1 { @@ -120,6 +121,7 @@ enable-method = "psci"; clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_l2: cpu@2 { @@ -129,6 +131,7 @@ enable-method = "psci"; clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_l3: cpu@3 { @@ -138,6 +141,7 @@ enable-method = "psci"; clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_b0: cpu@100 { @@ -148,6 +152,7 @@ #cooling-cells = <2>; /* min followed by max */ clocks = <&cru ARMCLKB>; dynamic-power-coefficient = <436>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_b1: cpu@101 { @@ -157,6 +162,29 @@ enable-method = "psci"; clocks = <&cru ARMCLKB>; dynamic-power-coefficient = <436>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; + }; + + idle-states { + entry-method = "psci"; + + CPU_SLEEP: cpu-sleep { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <120>; + exit-latency-us = <250>; + min-residency-us = <900>; + }; + + CLUSTER_SLEEP: cluster-sleep { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x1010000>; + entry-latency-us = <400>; + exit-latency-us = <500>; + min-residency-us = <2000>; + }; }; }; -- 1.9.1