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rockchip: add cpu idle state for rk3328

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Signed-off-by: CN_SZTL <cnsztl@project-openwrt.eu.org>
This commit is contained in:
CN_SZTL 2020-08-25 04:34:36 +08:00
parent e645e4d541
commit 430706840e
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GPG Key ID: 6850B6345C862176
5 changed files with 74 additions and 0 deletions
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0
target/linux/rockchip/patches-5.4/104-rockchip-add-hwmon-support-for-SoCs-and-GPUs.patch → target/linux/rockchip/patches-5.4/002-rockchip-add-hwmon-support-for-SoCs-and-GPUs.patch
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74
target/linux/rockchip/patches-5.4/005-arm64-dts-rockchip-Add-RK3328-idle-state.patch Normal file
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@ -0,0 +1,74 @@
From 4f279f9fbca54464173240f7e73b145a136dfa1e Mon Sep 17 00:00:00 2001
From: Robin Murphy <robin.murphy@arm.com>
Date: Sun, 29 Dec 2019 20:16:17 +0000
Subject: arm64: dts: rockchip: Add RK3328 idle state
Downstream RK3328 DTBs describe a CPU idle state matching that present
on other SoCs like RK3399. This works with upstream Trusted Firmware-A
too, so let's add it here.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/a8c83e705d387446ea8121516d410e38b2d9c57b.1577640736.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 91306ebed4da2..c9ff1188bd7b1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -41,6 +41,7 @@
reg = <0x0 0x0>;
clocks = <&cru ARMCLK>;
#cooling-cells = <2>;
+ cpu-idle-states = <&CPU_SLEEP>;
dynamic-power-coefficient = <120>;
enable-method = "psci";
next-level-cache = <&l2>;
@@ -53,6 +54,7 @@
reg = <0x0 0x1>;
clocks = <&cru ARMCLK>;
#cooling-cells = <2>;
+ cpu-idle-states = <&CPU_SLEEP>;
dynamic-power-coefficient = <120>;
enable-method = "psci";
next-level-cache = <&l2>;
@@ -65,6 +67,7 @@
reg = <0x0 0x2>;
clocks = <&cru ARMCLK>;
#cooling-cells = <2>;
+ cpu-idle-states = <&CPU_SLEEP>;
dynamic-power-coefficient = <120>;
enable-method = "psci";
next-level-cache = <&l2>;
@@ -77,12 +80,26 @@
reg = <0x0 0x3>;
clocks = <&cru ARMCLK>;
#cooling-cells = <2>;
+ cpu-idle-states = <&CPU_SLEEP>;
dynamic-power-coefficient = <120>;
enable-method = "psci";
next-level-cache = <&l2>;
operating-points-v2 = <&cpu0_opp_table>;
};
+ 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>;
+ };
+ };
+
l2: l2-cache0 {
compatible = "cache";
};
--
cgit 1.2.3-1.el7

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target/linux/rockchip/patches-5.4/005-net-usb-r8152-add-LED-configuration-from-OF.patch → target/linux/rockchip/patches-5.4/006-net-usb-r8152-add-LED-configuration-from-OF.patch
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target/linux/rockchip/patches-5.4/006-dt-bindings-net-add-RTL8152-binding-documentation.patch → target/linux/rockchip/patches-5.4/007-dt-bindings-net-add-RTL8152-binding-documentation.patch
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target/linux/rockchip/patches-5.4/002-rockchip-rk3328-add-i2c0-controller-for-nanopi-r2s.patch → target/linux/rockchip/patches-5.4/104-rockchip-rk3328-add-i2c0-controller-for-nanopi-r2s.patch
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