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Date: Fri, 11 Nov 2022 10:27:29 -0600
From: Rob Herring <robh@...nel.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Amit Kucheria <amitk@...nel.org>,
Zhang Rui <rui.zhang@...el.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: thermal: thermal-idle: Fix example paths
The reference by path (&{/cpus/cpu@.../thermal-idle}) in the example causes
an error with new version of dtc:
FATAL ERROR: Can't generate fixup for reference to path &{/cpus/cpu@.../thermal-idle}
This is because the examples are built as an overlay and absolute paths
are not valid as references must be by label. The path was also not
resolvable because, by default, examples are placed under 'example-N'
nodes.
As the example contains top-level nodes, the root node must be explicit for
the example to be extracted as-is. This changes the indentation for the
whole example, but the existing indentation is a mess of of random amounts.
Clean this up to be 4 spaces everywhere.
Signed-off-by: Rob Herring <robh@...nel.org>
---
The dtc update is in my tree, so I'd prefer to take this via the DT
tree.
.../bindings/thermal/thermal-idle.yaml | 154 +++++++++---------
1 file changed, 80 insertions(+), 74 deletions(-)
diff --git a/Documentation/devicetree/bindings/thermal/thermal-idle.yaml b/Documentation/devicetree/bindings/thermal/thermal-idle.yaml
index cc938d7ad1f3..72d85eb64247 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-idle.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-idle.yaml
@@ -48,99 +48,105 @@ additionalProperties: false
examples:
- |
- #include <dt-bindings/thermal/thermal.h>
+ /{
+ #include <dt-bindings/thermal/thermal.h>
- // Example: Combining idle cooling device on big CPUs with cpufreq cooling device
- cpus {
+ compatible = "foo";
+ model = "foo";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ // Example: Combining idle cooling device on big CPUs with cpufreq cooling device
+ cpus {
#address-cells = <2>;
#size-cells = <0>;
/* ... */
- cpu_b0: cpu@100 {
- device_type = "cpu";
- compatible = "arm,cortex-a72";
- reg = <0x0 0x100>;
- enable-method = "psci";
- capacity-dmips-mhz = <1024>;
- dynamic-power-coefficient = <436>;
- #cooling-cells = <2>; /* min followed by max */
- cpu-idle-states = <&CPU_SLEEP>, <&CLUSTER_SLEEP>;
- thermal-idle {
- #cooling-cells = <2>;
- duration-us = <10000>;
- exit-latency-us = <500>;
- };
+ cpu_b0: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0x0 0x100>;
+ enable-method = "psci";
+ capacity-dmips-mhz = <1024>;
+ dynamic-power-coefficient = <436>;
+ #cooling-cells = <2>; /* min followed by max */
+ cpu-idle-states = <&CPU_SLEEP>, <&CLUSTER_SLEEP>;
+ thermal-idle {
+ #cooling-cells = <2>;
+ duration-us = <10000>;
+ exit-latency-us = <500>;
+ };
+ };
+
+ cpu_b1: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0x0 0x101>;
+ enable-method = "psci";
+ capacity-dmips-mhz = <1024>;
+ dynamic-power-coefficient = <436>;
+ #cooling-cells = <2>; /* min followed by max */
+ cpu-idle-states = <&CPU_SLEEP>, <&CLUSTER_SLEEP>;
+ thermal-idle {
+ #cooling-cells = <2>;
+ duration-us = <10000>;
+ exit-latency-us = <500>;
};
+ };
- cpu_b1: cpu@101 {
- device_type = "cpu";
- compatible = "arm,cortex-a72";
- reg = <0x0 0x101>;
- enable-method = "psci";
- capacity-dmips-mhz = <1024>;
- dynamic-power-coefficient = <436>;
- #cooling-cells = <2>; /* min followed by max */
- cpu-idle-states = <&CPU_SLEEP>, <&CLUSTER_SLEEP>;
- thermal-idle {
- #cooling-cells = <2>;
- duration-us = <10000>;
- exit-latency-us = <500>;
- };
- };
-
- /* ... */
+ /* ... */
- };
+ };
- /* ... */
+ /* ... */
- thermal_zones {
- cpu_thermal: cpu {
+ thermal_zones {
+ cpu_thermal: cpu {
polling-delay-passive = <100>;
polling-delay = <1000>;
/* ... */
trips {
- cpu_alert0: cpu_alert0 {
- temperature = <65000>;
- hysteresis = <2000>;
- type = "passive";
- };
-
- cpu_alert1: cpu_alert1 {
- temperature = <70000>;
- hysteresis = <2000>;
- type = "passive";
- };
-
- cpu_alert2: cpu_alert2 {
- temperature = <75000>;
- hysteresis = <2000>;
- type = "passive";
- };
-
- cpu_crit: cpu_crit {
- temperature = <95000>;
- hysteresis = <2000>;
- type = "critical";
- };
+ cpu_alert0: cpu_alert0 {
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_alert1: cpu_alert1 {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_alert2: cpu_alert2 {
+ temperature = <75000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_crit: cpu_crit {
+ temperature = <95000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
};
cooling-maps {
- map0 {
- trip = <&cpu_alert1>;
- cooling-device = <&{/cpus/cpu@.../thermal-idle} 0 15 >,
- <&{/cpus/cpu@.../thermal-idle} 0 15>;
- };
-
- map1 {
- trip = <&cpu_alert2>;
- cooling-device =
- <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
- };
+ map0 {
+ trip = <&cpu_alert1>;
+ cooling-device = <&cpu_b0 0 15 >,
+ <&cpu_b1 0 15>;
+ };
+
+ map1 {
+ trip = <&cpu_alert2>;
+ cooling-device = <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
};
- };
+ };
+ };
};
--
2.35.1
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