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[PATCH] dt-bindings: RTC: Add bindings for m41t80 and compatibles

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  [PATCH] dt-bindings: RTC: Add bindings for m41t80 and compatibles Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-09-15 03:50 +0200
    [PATCH] dt-bindings: RTC: merge ds1339 in ds1307 documentation Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-09-15 03:50 +0200
      Re: [PATCH] dt-bindings: RTC: merge ds1339 in ds1307 documentation Rob Herring <robh@kernel.org> - 2017-09-20 23:00 +0200

#1732672 — [PATCH] dt-bindings: RTC: Add bindings for m41t80 and compatibles

The ST M41T80 family of RTC are not trivial devices, document them.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 .../devicetree/bindings/rtc/rtc-m41t80.txt         | 32 ++++++++++++++++++++++
 .../devicetree/bindings/trivial-devices.txt        |  2 --
 2 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/rtc-m41t80.txt

diff --git a/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt b/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt
new file mode 100644
index 000000000000..12add61e5687
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt
@@ -0,0 +1,32 @@
+ST M41T80 family of RTC and compatible
+
+Required properties:
+- compatible: should be one of:
+	"st,m41t62",
+	"st,m41t65",
+	"st,m41t80",
+	"st,m41t81",
+	"st,m41t81s",
+	"st,m41t82",
+	"st,m41t83",
+	"st,m41t84",
+	"st,m41t85",
+	"st,m41t87",
+	"microcrystal,rv4162",
+- reg: I2C bus address of the device
+
+Optional properties:
+- interrupt-parent: phandle for the interrupt controller.
+- interrupts: rtc alarm interrupt.
+- clock-output-names: From common clock binding to override the default output
+                      clock name
+- wakeup-source: Enables wake up of host system on alarm
+
+Example:
+	rtc@68 {
+		compatible = "st,m41t80";
+		reg = <0x68>;
+		interrupt-parent = <&UIC0>;
+		interrupts = <0x9 0x8>;
+	};
+
diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt
index 4353151367a1..4b169caab0eb 100644
--- a/Documentation/devicetree/bindings/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/trivial-devices.txt
@@ -175,8 +175,6 @@ sii,s35390a		2-wire CMOS real-time clock
 silabs,si7020		Relative Humidity and Temperature Sensors
 skyworks,sky81452	Skyworks SKY81452: Six-Channel White LED Driver with Touch Panel Bias Supply
 st,24c256		i2c serial eeprom  (24cxx)
-st,m41t62		Serial real-time clock (RTC) with alarm
-st,m41t80		M41T80 - SERIAL ACCESS RTC WITH ALARMS
 taos,tsl2550		Ambient Light Sensor with SMBUS/Two Wire Serial Interface
 ti,ads7828		8-Channels, 12-bit ADC
 ti,ads7830		8-Channels, 8-bit ADC
-- 
2.14.1

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#1732673 — [PATCH] dt-bindings: RTC: merge ds1339 in ds1307 documentation

Now that there is documentation for the ds1307 and compatible RTCs, merge
the ds1339 documentation in it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 .../devicetree/bindings/rtc/dallas,ds1339.txt          | 18 ------------------
 Documentation/devicetree/bindings/rtc/rtc-ds1307.txt   |  6 ++++++
 2 files changed, 6 insertions(+), 18 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rtc/dallas,ds1339.txt

diff --git a/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt b/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
deleted file mode 100644
index 916f57601a8f..000000000000
--- a/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-* Dallas DS1339		I2C Serial Real-Time Clock
-
-Required properties:
-- compatible: Should contain "dallas,ds1339".
-- reg: I2C address for chip
-
-Optional properties:
-- trickle-resistor-ohms : Selected resistor for trickle charger
-	Values usable for ds1339 are 250, 2000, 4000
-	Should be given if trickle charger should be enabled
-- trickle-diode-disable : Do not use internal trickle charger diode
-	Should be given if internal trickle charger diode should be disabled
-Example:
-	ds1339: rtc@68 {
-		compatible = "dallas,ds1339";
-		trickle-resistor-ohms = <250>;
-		reg = <0x68>;
-	};
diff --git a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
index d1a820e25cb9..2eacc17a9b8d 100644
--- a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
@@ -26,6 +26,11 @@ Optional properties:
 - clock-output-names: From common clock binding to override the default output
                       clock name
 - wakeup-source: Enables wake up of host system on alarm
+- trickle-resistor-ohms : Selected resistor for trickle charger
+	Values usable for ds1339 are 250, 2000, 4000
+	Should be given if trickle charger should be enabled
+- trickle-diode-disable : Do not use internal trickle charger diode
+	Should be given if internal trickle charger diode should be disabled
 
 Example:
 	rtc1: ds1339@68 {
@@ -33,5 +38,6 @@ Example:
 		reg = <0x68>;
 		interrupt-parent = <&gpio4>;
 		interrupts = <20 0>;
+		trickle-resistor-ohms = <250>;
 	};
 
-- 
2.14.1

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#1736114 — Re: [PATCH] dt-bindings: RTC: merge ds1339 in ds1307 documentation

On Fri, Sep 15, 2017 at 03:45:51AM +0200, Alexandre Belloni wrote:
> Now that there is documentation for the ds1307 and compatible RTCs, merge
> the ds1339 documentation in it.
> 
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
>  .../devicetree/bindings/rtc/dallas,ds1339.txt          | 18 ------------------
>  Documentation/devicetree/bindings/rtc/rtc-ds1307.txt   |  6 ++++++
>  2 files changed, 6 insertions(+), 18 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
> 
> diff --git a/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt b/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
> deleted file mode 100644
> index 916f57601a8f..000000000000
> --- a/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
> +++ /dev/null
> @@ -1,18 +0,0 @@
> -* Dallas DS1339		I2C Serial Real-Time Clock
> -
> -Required properties:
> -- compatible: Should contain "dallas,ds1339".
> -- reg: I2C address for chip
> -
> -Optional properties:
> -- trickle-resistor-ohms : Selected resistor for trickle charger
> -	Values usable for ds1339 are 250, 2000, 4000
> -	Should be given if trickle charger should be enabled
> -- trickle-diode-disable : Do not use internal trickle charger diode
> -	Should be given if internal trickle charger diode should be disabled
> -Example:
> -	ds1339: rtc@68 {
> -		compatible = "dallas,ds1339";
> -		trickle-resistor-ohms = <250>;
> -		reg = <0x68>;
> -	};
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
> index d1a820e25cb9..2eacc17a9b8d 100644
> --- a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
> +++ b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
> @@ -26,6 +26,11 @@ Optional properties:
>  - clock-output-names: From common clock binding to override the default output
>                        clock name
>  - wakeup-source: Enables wake up of host system on alarm
> +- trickle-resistor-ohms : Selected resistor for trickle charger
> +	Values usable for ds1339 are 250, 2000, 4000
> +	Should be given if trickle charger should be enabled
> +- trickle-diode-disable : Do not use internal trickle charger diode
> +	Should be given if internal trickle charger diode should be disabled

Do these apply to all compatibles or just 1339?

Rob

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