diff mbox

[v4,2/3] watchdog: qcom: document device tree bindings

Message ID 84605584a0634ad35a7829daf5a148107aaabc72.1411684967.git.joshc@codeaurora.org (mailing list archive)
State New, archived
Headers show

Commit Message

Josh Cartwright Sept. 25, 2014, 10:51 p.m. UTC
The Qualcomm Krait Processor Sub-system (KPSS) contains one or more
instances of the WDT.  Provide documentation on how to describe these in
the device tree.

Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
---
 .../devicetree/bindings/watchdog/qcom-wdt.txt      | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/qcom-wdt.txt

Comments

Guenter Roeck Sept. 26, 2014, 3:19 a.m. UTC | #1
On 09/25/2014 03:51 PM, Josh Cartwright wrote:
> The Qualcomm Krait Processor Sub-system (KPSS) contains one or more
> instances of the WDT.  Provide documentation on how to describe these in
> the device tree.
>
> Signed-off-by: Josh Cartwright <joshc@codeaurora.org>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
>   .../devicetree/bindings/watchdog/qcom-wdt.txt      | 24 ++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
>
> diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
> new file mode 100644
> index 0000000..4726924
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
> @@ -0,0 +1,24 @@
> +Qualcomm Krait Processor Sub-system (KPSS) Watchdog
> +---------------------------------------------------
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> +
> +			"qcom,kpss-wdt-msm8960"
> +			"qcom,kpss-wdt-apq8064"
> +			"qcom,kpss-wdt-ipq8064"
> +
> +- reg : shall contain base register location and length
> +- clocks : shall contain the input clock
> +
> +Optional properties :
> +- timeout-sec : shall contain the default watchdog timeout in seconds,
> +                if unset, the default timeout is 30 seconds
> +
> +Example:
> +	watchdog@208a038 {
> +		compatible = "qcom,kpss-wdt-ipq8064";
> +		reg = <0x0208a038 0x40>;
> +		clocks = <&sleep_clk>;
> +		timeout-sec = <10>;
> +	};
>

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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
new file mode 100644
index 0000000..4726924
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
@@ -0,0 +1,24 @@ 
+Qualcomm Krait Processor Sub-system (KPSS) Watchdog
+---------------------------------------------------
+
+Required properties :
+- compatible : shall contain only one of the following:
+
+			"qcom,kpss-wdt-msm8960"
+			"qcom,kpss-wdt-apq8064"
+			"qcom,kpss-wdt-ipq8064"
+
+- reg : shall contain base register location and length
+- clocks : shall contain the input clock
+
+Optional properties :
+- timeout-sec : shall contain the default watchdog timeout in seconds,
+                if unset, the default timeout is 30 seconds
+
+Example:
+	watchdog@208a038 {
+		compatible = "qcom,kpss-wdt-ipq8064";
+		reg = <0x0208a038 0x40>;
+		clocks = <&sleep_clk>;
+		timeout-sec = <10>;
+	};