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Message-Id: <20180410183212.16787-2-jae.hyun.yoo@linux.intel.com>
Date: Tue, 10 Apr 2018 11:32:03 -0700
From: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
To: Alan Cox <alan@...ux.intel.com>, Andrew Jeffery <andrew@...id.au>,
Andrew Lunn <andrew@...n.ch>,
Andy Shevchenko <andriy.shevchenko@...el.com>,
Arnd Bergmann <arnd@...db.de>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Fengguang Wu <fengguang.wu@...el.com>,
Greg KH <gregkh@...uxfoundation.org>,
Guenter Roeck <linux@...ck-us.net>,
Haiyue Wang <haiyue.wang@...ux.intel.com>,
James Feist <james.feist@...ux.intel.com>,
Jason M Biils <jason.m.bills@...ux.intel.com>,
Jean Delvare <jdelvare@...e.com>,
Joel Stanley <joel@....id.au>,
Julia Cartwright <juliac@....teric.us>,
Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
Milton Miller II <miltonm@...ibm.com>,
Pavel Machek <pavel@....cz>,
Randy Dunlap <rdunlap@...radead.org>,
Stef van Os <stef.van.os@...drive-technologies.com>,
Sumeet R Pawnikar <sumeet.r.pawnikar@...el.com>,
Vernon Mauery <vernon.mauery@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
devicetree@...r.kernel.org, linux-hwmon@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, openbmc@...ts.ozlabs.org,
Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
Subject: [PATCH v3 01/10] Documentations: dt-bindings: Add documents of generic PECI bus, adapter and client drivers
This commit adds documents of generic PECI bus, adapter and client drivers.
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
Reviewed-by: Haiyue Wang <haiyue.wang@...ux.intel.com>
Reviewed-by: James Feist <james.feist@...ux.intel.com>
Reviewed-by: Vernon Mauery <vernon.mauery@...ux.intel.com>
Cc: Alan Cox <alan@...ux.intel.com>
Cc: Andrew Jeffery <andrew@...id.au>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Andy Shevchenko <andriy.shevchenko@...el.com>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Fengguang Wu <fengguang.wu@...el.com>
Cc: Greg KH <gregkh@...uxfoundation.org>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Jason M Biils <jason.m.bills@...ux.intel.com>
Cc: Jean Delvare <jdelvare@...e.com>
Cc: Joel Stanley <joel@....id.au>
Cc: Julia Cartwright <juliac@....teric.us>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Milton Miller II <miltonm@...ibm.com>
Cc: Pavel Machek <pavel@....cz>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Stef van Os <stef.van.os@...drive-technologies.com>
Cc: Sumeet R Pawnikar <sumeet.r.pawnikar@...el.com>
---
.../devicetree/bindings/peci/peci-adapter.txt | 23 ++++++++++++++++++++
.../devicetree/bindings/peci/peci-bus.txt | 15 +++++++++++++
.../devicetree/bindings/peci/peci-client.txt | 25 ++++++++++++++++++++++
3 files changed, 63 insertions(+)
create mode 100644 Documentation/devicetree/bindings/peci/peci-adapter.txt
create mode 100644 Documentation/devicetree/bindings/peci/peci-bus.txt
create mode 100644 Documentation/devicetree/bindings/peci/peci-client.txt
diff --git a/Documentation/devicetree/bindings/peci/peci-adapter.txt b/Documentation/devicetree/bindings/peci/peci-adapter.txt
new file mode 100644
index 000000000000..9221374f6b11
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-adapter.txt
@@ -0,0 +1,23 @@
+Generic device tree configuration for PECI adapters.
+
+Required properties:
+- compatible : Should contain hardware specific definition strings that can
+ match an adapter driver implementation.
+- reg : Should contain PECI controller registers location and length.
+- #address-cells : Should be <1>.
+- #size-cells : Should be <0>.
+
+Example:
+ peci: peci@...00000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x10000000 0x1000>;
+
+ peci0: peci-bus@0 {
+ compatible = "soc,soc-peci";
+ reg = <0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/peci/peci-bus.txt b/Documentation/devicetree/bindings/peci/peci-bus.txt
new file mode 100644
index 000000000000..90bcc791ccb0
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-bus.txt
@@ -0,0 +1,15 @@
+Generic device tree configuration for PECI buses.
+
+Required properties:
+- compatible : Should be "simple-bus".
+- #address-cells : Should be <1>.
+- #size-cells : Should be <1>.
+- ranges : Should contain PECI controller registers ranges.
+
+Example:
+ peci: peci@...00000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x10000000 0x1000>;
+ };
diff --git a/Documentation/devicetree/bindings/peci/peci-client.txt b/Documentation/devicetree/bindings/peci/peci-client.txt
new file mode 100644
index 000000000000..8e2bfd8532f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-client.txt
@@ -0,0 +1,25 @@
+Generic device tree configuration for PECI clients.
+
+Required properties:
+- compatible : Should contain target device specific definition strings that can
+ match a client driver implementation.
+- 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 >
+
+ function@...0 {
+ compatible = "device,function";
+ reg = <0x30>;
+ };
+
+ function@...1 {
+ compatible = "device,function";
+ reg = <0x31>;
+ };
+ };
--
2.16.2
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