diff mbox

[v3,8/8] rtc: at91sam9: add DT bindings documentation

Message ID 1410425767-17874-9-git-send-email-boris.brezillon@free-electrons.com
State Superseded, archived
Headers show

Commit Message

Boris Brezillon Sept. 11, 2014, 8:56 a.m. UTC
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
---
 .../devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt

Comments

Johan Hovold Sept. 11, 2014, 9:42 a.m. UTC | #1
On Thu, Sep 11, 2014 at 10:56:07AM +0200, Boris BREZILLON wrote:
> Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
> ---
>  .../devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> 
> diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> new file mode 100644
> index 0000000..258a036
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> @@ -0,0 +1,24 @@
> +Atmel AT91SAM9260 Real Time Timer
> +
> +Required properties:
> +- compatible: should be: "atmel,at91sam9260-rtt"
> +- reg: should encode the memory region of the RTT controller
> +- interrupts: rtc alarm/event interrupt
> +- clocks: should contain one clock pointing the the slow clk
> +- atmel,time-reg: should encode the GPBR register used to store the RTC
> +		  time. The first cell should point to the GPBR node and
> +		  the second one encode the offset within the GPBR block
> +		  (or in other terms, the GPBR register used to store the
> +		  current time value).
> +
> +
> +
> +Example:
> +
> +rtc@fffffe00 {

This should be rtt@

> +	compatible = "atmel,at91sam9260-rtt";
> +	reg = <0xfffffd20 0x10>;
> +	interrupts = <1 4 7>;
> +	clocks = <&clk32k>;
> +	atmel,time-reg = <&gpbr 0x0>;

I think the property name could be more descriptive as it is specific to
when the RTT is used as an RTC. Perhaps, atmel,rtt-rtc-time-reg?

> +};

Johan
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Boris Brezillon Sept. 11, 2014, 9:56 a.m. UTC | #2
On Thu, 11 Sep 2014 11:42:13 +0200
Johan Hovold <johan@kernel.org> wrote:

> On Thu, Sep 11, 2014 at 10:56:07AM +0200, Boris BREZILLON wrote:
> > Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
> > ---
> >  .../devicetree/bindings/rtc/atmel,at91sam9-rtc.txt | 24 ++++++++++++++++++++++
> >  1 file changed, 24 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> > new file mode 100644
> > index 0000000..258a036
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
> > @@ -0,0 +1,24 @@
> > +Atmel AT91SAM9260 Real Time Timer
> > +
> > +Required properties:
> > +- compatible: should be: "atmel,at91sam9260-rtt"
> > +- reg: should encode the memory region of the RTT controller
> > +- interrupts: rtc alarm/event interrupt
> > +- clocks: should contain one clock pointing the the slow clk
> > +- atmel,time-reg: should encode the GPBR register used to store the RTC
> > +		  time. The first cell should point to the GPBR node and
> > +		  the second one encode the offset within the GPBR block
> > +		  (or in other terms, the GPBR register used to store the
> > +		  current time value).
> > +
> > +
> > +
> > +Example:
> > +
> > +rtc@fffffe00 {
> 
> This should be rtt@
> 
> > +	compatible = "atmel,at91sam9260-rtt";
> > +	reg = <0xfffffd20 0x10>;
> > +	interrupts = <1 4 7>;
> > +	clocks = <&clk32k>;
> > +	atmel,time-reg = <&gpbr 0x0>;
> 
> I think the property name could be more descriptive as it is specific to
> when the RTT is used as an RTC. Perhaps, atmel,rtt-rtc-time-reg?

No problem, I'll change both names for the next version.
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
new file mode 100644
index 0000000..258a036
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9-rtc.txt
@@ -0,0 +1,24 @@ 
+Atmel AT91SAM9260 Real Time Timer
+
+Required properties:
+- compatible: should be: "atmel,at91sam9260-rtt"
+- reg: should encode the memory region of the RTT controller
+- interrupts: rtc alarm/event interrupt
+- clocks: should contain one clock pointing the the slow clk
+- atmel,time-reg: should encode the GPBR register used to store the RTC
+		  time. The first cell should point to the GPBR node and
+		  the second one encode the offset within the GPBR block
+		  (or in other terms, the GPBR register used to store the
+		  current time value).
+
+
+
+Example:
+
+rtc@fffffe00 {
+	compatible = "atmel,at91sam9260-rtt";
+	reg = <0xfffffd20 0x10>;
+	interrupts = <1 4 7>;
+	clocks = <&clk32k>;
+	atmel,time-reg = <&gpbr 0x0>;
+};