RE: [RFC PATCH 3/4] ARM: at91/dt: add sam9 watchdog default optionsto SoCs

From: Yang, Wenyou
Date: Thu Jun 20 2013 - 21:45:58 EST




> -----Original Message-----
> From: linux-arm-kernel [mailto:linux-arm-kernel-bounces@xxxxxxxxxxxxxxxxxxx]
> On Behalf Of Boris BREZILLON
> Sent: 2013年6月11日 18:51
> To: Wim Van Sebroeck; Jean-Christophe Plagniol-Villard; Ferre, Nicolas
> Cc: Boris BREZILLON; Russell King; linux-kernel@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-watchdog@xxxxxxxxxxxxxxx
> Subject: [RFC PATCH 3/4] ARM: at91/dt: add sam9 watchdog default options to
> SoCs
>
> Set default watchdog options in every SoC compatible with the sam9 watchdog.
>
> Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/at91sam9260.dtsi | 5 +++++
> arch/arm/boot/dts/at91sam9263.dtsi | 5 +++++
> arch/arm/boot/dts/at91sam9g45.dtsi | 5 +++++
> arch/arm/boot/dts/at91sam9n12.dtsi | 5 +++++
> arch/arm/boot/dts/at91sam9x5.dtsi | 5 +++++
> arch/arm/boot/dts/sama5d3.dtsi | 5 +++++
> 6 files changed, 30 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91sam9260.dtsi
> b/arch/arm/boot/dts/at91sam9260.dtsi
> index 899a7cf..6c44c35 100644
> --- a/arch/arm/boot/dts/at91sam9260.dtsi
> +++ b/arch/arm/boot/dts/at91sam9260.dtsi
> @@ -643,6 +643,11 @@
> watchdog@fffffd40 {
> compatible = "atmel,at91sam9260-wdt";
> reg = <0xfffffd40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + atmel,watchdog-type = "hardware";
> + atmel,reset-type = "all";
> + atmel,dbg-halt;
> + atmel,idle-halt;
> status = "disabled";
> };
> };
> diff --git a/arch/arm/boot/dts/at91sam9263.dtsi
> b/arch/arm/boot/dts/at91sam9263.dtsi
> index ff63811..6b31ee0 100644
> --- a/arch/arm/boot/dts/at91sam9263.dtsi
> +++ b/arch/arm/boot/dts/at91sam9263.dtsi
> @@ -519,6 +519,11 @@
> watchdog@fffffd40 {
> compatible = "atmel,at91sam9260-wdt";
> reg = <0xfffffd40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + atmel,watchdog-type = "hardware";
> + atmel,reset-type = "all";
> + atmel,dbg-halt;
> + atmel,idle-halt;
> status = "disabled";
> };
>
> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi
> b/arch/arm/boot/dts/at91sam9g45.dtsi
> index faec17d..ca1a643 100644
> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
> @@ -634,6 +634,11 @@
> watchdog@fffffd40 {
> compatible = "atmel,at91sam9260-wdt";
> reg = <0xfffffd40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + atmel,watchdog-type = "hardware";
> + atmel,reset-type = "all";
> + atmel,dbg-halt;
> + atmel,idle-halt;
> status = "disabled";
> };
>
> diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi
> b/arch/arm/boot/dts/at91sam9n12.dtsi
> index 3166e1d..7c8a5ea 100644
> --- a/arch/arm/boot/dts/at91sam9n12.dtsi
> +++ b/arch/arm/boot/dts/at91sam9n12.dtsi
> @@ -505,6 +505,11 @@
> watchdog@fffffe40 {
> compatible = "atmel,at91sam9260-wdt";
> reg = <0xfffffe40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + atmel,watchdog-type = "hardware";
> + atmel,reset-type = "all";
> + atmel,dbg-halt;
> + atmel,idle-halt;
> status = "disabled";
> };
> };
> diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi
> b/arch/arm/boot/dts/at91sam9x5.dtsi
> index e77106e..48eb1cc 100644
> --- a/arch/arm/boot/dts/at91sam9x5.dtsi
> +++ b/arch/arm/boot/dts/at91sam9x5.dtsi
> @@ -742,6 +742,11 @@
> watchdog@fffffe40 {
> compatible = "atmel,at91sam9260-wdt";
> reg = <0xfffffe40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
> + atmel,watchdog-type = "hardware";
> + atmel,reset-type = "all";
> + atmel,dbg-halt;
> + atmel,idle-halt;
> status = "disabled";
> };
>
> diff --git a/arch/arm/boot/dts/sama5d3.dtsi
> b/arch/arm/boot/dts/sama5d3.dtsi
> index c00e158..7974723 100644
> --- a/arch/arm/boot/dts/sama5d3.dtsi
> +++ b/arch/arm/boot/dts/sama5d3.dtsi
> @@ -885,6 +885,11 @@
> watchdog@fffffe40 {
> compatible = "atmel,at91sam9260-wdt";
> reg = <0xfffffe40 0x10>;
> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
Change it with,
interrupts = <4 IRQ_TYPE_LEVEL_HIGH 7>;
Because in sama5d3, watchdog interrupt is not shared with SYSC, it uses a separate interrupt line, 4.
> + atmel,watchdog-type = "hardware";
> + atmel,reset-type = "all";
> + atmel,dbg-halt;
> + atmel,idle-halt;
> status = "disabled";
> };
>
> --
> 1.7.9.5
>
>
Best Regards,
Wenyou Yang
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> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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