On 4/16/2018 4:22 PM, Jae Hyun Yoo wrote:
On 4/16/2018 11:14 AM, Rob Herring wrote:
On Tue, Apr 10, 2018 at 11:32:09AM -0700, Jae Hyun Yoo wrote:
This commit adds dt-bindings documents for PECI cputemp and dimmtemp
client
drivers.
"dt-bindings: hwmon: ..." for the subject.
I'll change the subject.
Signed-off-by: Jae Hyun Yoo <[email protected]>
Reviewed-by: Haiyue Wang <[email protected]>
Reviewed-by: James Feist <[email protected]>
Reviewed-by: Vernon Mauery <[email protected]>
Cc: Alan Cox <[email protected]>
Cc: Andrew Jeffery <[email protected]>
Cc: Andrew Lunn <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Fengguang Wu <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Jason M Biils <[email protected]>
Cc: Jean Delvare <[email protected]>
Cc: Joel Stanley <[email protected]>
Cc: Julia Cartwright <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Milton Miller II <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Stef van Os <[email protected]>
Cc: Sumeet R Pawnikar <[email protected]>
---
.../devicetree/bindings/hwmon/peci-cputemp.txt | 24
+++++++++++++++++++++
.../devicetree/bindings/hwmon/peci-dimmtemp.txt | 25
++++++++++++++++++++++
2 files changed, 49 insertions(+)
create mode 100644
Documentation/devicetree/bindings/hwmon/peci-cputemp.txt
create mode 100644
Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt
diff --git a/Documentation/devicetree/bindings/hwmon/peci-cputemp.txt
b/Documentation/devicetree/bindings/hwmon/peci-cputemp.txt
new file mode 100644
index 000000000000..d5530ef9cfd2
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/peci-cputemp.txt
@@ -0,0 +1,24 @@
+Bindings for Intel PECI (Platform Environment Control Interface)
cputemp driver.
+
+Required properties:
+- compatible : Should be "intel,peci-cputemp".
+- reg : Should contain address of a client CPU. Address range
of CPU
+ clients is starting from 0x30 based on PECI specification.
+ <0x30> .. <0x37> (depends on the PECI_OFFSET_MAX definition)
Again, where is PECI_OFFSET_MAX defined? It can't depend on something in
the kernel.
I'll remove the unnecessary description.
+
+Example:
+ peci-bus@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ < more properties >
+
+ peci-cputemp@cpu0 {
+ compatible = "intel,peci-cputemp";
+ reg = <0x30>;
+ };
+
+ peci-cputemp@cpu1 {
+ compatible = "intel,peci-cputemp";
+ reg = <0x31>;
+ };
+ };
diff --git
a/Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt
b/Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt
new file mode 100644
index 000000000000..56e5deb61e5c
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt
@@ -0,0 +1,25 @@
+Bindings for Intel PECI (Platform Environment Control Interface)
dimmtemp
+driver.
+
+Required properties:
+- compatible : Should be "intel,peci-dimmtemp".
+- reg : Should contain address of a client CPU. Address range
of CPU
+ clients is starting from 0x30 based on PECI specification.
+ <0x30> .. <0x37> (depends on the PECI_OFFSET_MAX definition)
+
+Example:
+ peci-bus@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ < more properties >
+
+ peci-dimmtemp@cpu0 {
unit-address is wrong.
Will fix it using the reg value.
It is a different bus from cputemp? Otherwise, you have conflicting
addresses. If that's the case, probably should make it clear by showing
different host adapters for each example.
It could be the same bus with cputemp. Also, client address sharing is
possible by PECI core if the functionality is different. I mean, cputemp
and dimmtemp targeting the same client is possible case like this.
peci-cputemp@30
peci-dimmtemp@30
Oh, I got your point. Probably, I should change these separate settings
into one like
peci-client@30 {
compatible = "intel,peci-client";
reg = <0x30>;
};
Then cputemp and dimmtemp drivers could refer the same compatible
string. Will rewrite it.
+ compatible = "intel,peci-dimmtemp";
+ reg = <0x30>;
+ };
+
+ peci-dimmtemp@cpu1 {
+ compatible = "intel,peci-dimmtemp";
+ reg = <0x31>;
+ };
+ };
--
2.16.2
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