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Message-Id: <1438010430-5802-1-git-send-email-lee.jones@linaro.org>
Date: Mon, 27 Jul 2015 16:20:29 +0100
From: Lee Jones <lee.jones@...aro.org>
To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: kernel@...inux.com, rjw@...ysocki.net, viresh.kumar@...aro.org,
linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
ajitpal.singh@...com, sre@...nel.org, dbaryshkov@...il.com,
Lee Jones <lee.jones@...aro.org>
Subject: [PATCH v4 1/2] dt: cpufreq: st: Provide bindings for ST's CPUFreq implementation
Cc: devicetree@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
Changelog:
- Using OPP-v2
- Moved (and linked) a bunch of documentation to ../power/
.../devicetree/bindings/cpufreq/cpufreq-st.txt | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt
new file mode 100644
index 0000000..79add9d
--- /dev/null
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt
@@ -0,0 +1,40 @@
+Binding for ST's CPUFreq driver
+===============================
+
+Frequency Scaling only
+----------------------
+
+Located in CPU's node:
+
+- operating-points : [See: ../power/opp.txt]
+
+Example [safe]
+--------------
+
+cpus {
+ cpu@0 {
+ /* kHz uV */
+ operating-points = <1500000 0
+ 1200000 0
+ 800000 0
+ 500000 0>;
+ };
+};
+
+Dynamic Voltage and Frequency Scaling (DVFS)
+--------------------------------------------
+
+Located in CPU's node:
+
+- operating-points-v2-sti : [See ../power/opp-st.txt]
+
+Example [unsafe]
+----------------
+
+cpus {
+ cpu@0 {
+ operating-points-v2 = <[OPP list phandle]>;
+ };
+};
+
+For an example of an OPP list, see ../power/opp-st.txt.
--
1.9.1
--
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