linux-kernel - [RFC 7/8] arm64: dts: meson-sm1: add cpu thermal nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200421080102.22796-8-narmstrong@baylibre.com>
Date:   Tue, 21 Apr 2020 10:01:01 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     nick@...das.com, art@...das.com,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org, linux-hwmon@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [RFC 7/8] arm64: dts: meson-sm1: add cpu thermal nodes

Add thermal nodes for the Amlogic SM1 SoCs based on the G12A and G12B
thermal nodes.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
index d4ec735fb1a5..71317f5aada1 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
@@ -56,6 +56,7 @@
 			reg = <0x0 0x0>;
 			enable-method = "psci";
 			next-level-cache = <&l2>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {
@@ -64,6 +65,7 @@
 			reg = <0x0 0x1>;
 			enable-method = "psci";
 			next-level-cache = <&l2>;
+			#cooling-cells = <2>;
 		};
 
 		cpu2: cpu@2 {
@@ -72,6 +74,7 @@
 			reg = <0x0 0x2>;
 			enable-method = "psci";
 			next-level-cache = <&l2>;
+			#cooling-cells = <2>;
 		};
 
 		cpu3: cpu@3 {
@@ -80,6 +83,7 @@
 			reg = <0x0 0x3>;
 			enable-method = "psci";
 			next-level-cache = <&l2>;
+			#cooling-cells = <2>;
 		};
 
 		l2: l2-cache0 {
@@ -466,6 +470,26 @@
 	compatible = "amlogic,sm1-clkc";
 };
 
+&cpu_thermal {
+	cooling-maps {
+		map0 {
+			trip = <&cpu_passive>;
+			cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+
+		map1 {
+			trip = <&cpu_hot>;
+			cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+					<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
 &ethmac {
 	power-domains = <&pwrc PWRC_SM1_ETH_ID>;
 };
-- 
2.22.0