linux-kernel - Re: [PATCH 2/5] Documentation: dt: Add binding info for jz4740-rtc driver

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Date:	Thu, 17 Mar 2016 06:52:25 -0500
From:	Rob Herring <robh@...nel.org>
To:	Paul Cercueil <paul@...pouillou.net>
Cc:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Paul Burton <paul.burton@...tec.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org, rtc-linux@...glegroups.com
Subject: Re: [PATCH 2/5] Documentation: dt: Add binding info for jz4740-rtc
 driver

On Sat, Mar 05, 2016 at 11:38:48PM +0100, Paul Cercueil wrote:
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>  .../devicetree/bindings/rtc/ingenic,jz4740-rtc.txt | 38 ++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt
> 
> diff --git a/Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt b/Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt
> new file mode 100644
> index 0000000..71e4ad0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt
> @@ -0,0 +1,38 @@
> +JZ4740 and similar SoCs real-time clock driver
> +
> +Required properties:
> +
> +- compatible: One of:
> +  - "ingenic,jz4740-rtc" - for use with the JZ4740 SoC
> +  - "ingenic,jz4780-rtc" - for use with the JZ4780 SoC
> +- reg: Address range of rtc register set
> +- interrupts: IRQ number for the alarm interrupt
> +- interrupt-parent: phandle of the interrupt controller
> +- clocks: phandle to the "rtc" clock
> +- clock-names: must be "rtc"
> +
> +Optional properties:
> +- system-power-controller: To use this component as the
> +  system power controller

> +- reset-pin-assert-time: Reset pin low-level assertion time
> +  after wakeup (default 60ms; range 0-125ms if RTC clock at 
> +  32 kHz)
> +- min-wakeup-pin-assert-time: Minimum wakeup pin assertion time
> +  (default 100ms; range 0-2s if RTC clock at 32 kHz)

Please append units on these (-msec).

> +
> +Example:
> +
> +rtc@...03000 {
> +	compatible = "ingenic,jz4740-rtc";
> +	reg = <0x10003000 0x3F>;
> +
> +	interrupt-parent = <&intc>;
> +	interrupts = <32>;
> +
> +	clocks = <&rtc_clock>;
> +	clock-names = "rtc";
> +
> +	system-power-controller;
> +	reset-pin-assert-time = <60>;
> +	min-wakeup-pin-assert-time = <100>;
> +};
> -- 
> 2.7.0
>