[PATCH 2/2] ARM: davinci: da850: add wdt OF_DEV_AUXDATA entry
Kumar, Anil
anilkumar.v at ti.com
Mon Feb 4 20:51:57 EST 2013
On Mon, Feb 04, 2013 at 17:20:55, Nori, Sekhar wrote:
> Hi Anil,
>
> On 1/24/2013 2:08 PM, Kumar, Anil wrote:
> > Add OF_DEV_AUXDATA for wdt driver in da850 board dt
> > file to use wdt clock.
> >
> > Signed-off-by: Kumar, Anil <anilkumar.v at ti.com>
> > ---
> > :100644 100644 37c27af... 1b295d2... M arch/arm/mach-davinci/da8xx-dt.c
> > arch/arm/mach-davinci/da8xx-dt.c | 8 +++++++-
> > 1 files changed, 7 insertions(+), 1 deletions(-)
> >
> > diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
> > index 37c27af..1b295d2 100644
> > --- a/arch/arm/mach-davinci/da8xx-dt.c
> > +++ b/arch/arm/mach-davinci/da8xx-dt.c
> > @@ -37,11 +37,17 @@ static void __init da8xx_init_irq(void)
> > of_irq_init(da8xx_irq_match);
> > }
> >
> > +struct of_dev_auxdata da850_evm_auxdata_lookup[] __initdata = {
>
> Auxdata is not evm specific. This can instead be called da850_auxdata_lookup[].
ok
>
> Also, I dont think it is necessary to add auxdata in a separate patch
> from dt nodes. So, I fixed these issues and came up with below patch. I
> tested basic wdt reboot. reboot command is still broken (with or
> without this patch). Can you please look at that?
>
ok, I will look into reboot command issue.
> Thanks,
> Sekhar
>
> ----8<----
> From: "Kumar, Anil" <anilkumar.v at ti.com>
> Date: Thu, 24 Jan 2013 14:08:14 +0530
> Subject: [PATCH 1/1] ARM: davinci: da850: add wdt DT node
>
> Add da850 wdt DT node.
>
> Signed-off-by: Kumar, Anil <anilkumar.v at ti.com>
> Signed-off-by: Sekhar Nori <nsekhar at ti.com>
> ---
> arch/arm/boot/dts/da850-evm.dts | 3 +++
> arch/arm/boot/dts/da850.dtsi | 5 +++++
> arch/arm/mach-davinci/da8xx-dt.c | 8 +++++++-
> 3 files changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> index fa04152..cc777dc 100644
> --- a/arch/arm/boot/dts/da850-evm.dts
> +++ b/arch/arm/boot/dts/da850-evm.dts
> @@ -30,6 +30,9 @@
> rtc0: rtc at 1c23000 {
> status = "okay";
> };
> + wdt: wdt at 1c21000 {
> + status = "okay";
> + };
> };
> nand_cs3 at 62000000 {
> status = "okay";
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 8dd15c0..2800090 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -88,6 +88,11 @@
> 19>;
> status = "disabled";
> };
> + wdt: wdt at 1c21000 {
> + compatible = "ti,davinci-wdt";
> + reg = <0x21000 0xfff>;
> + status = "disabled";
> + };
> };
> nand_cs3 at 62000000 {
> compatible = "ti,davinci-nand";
> diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
> index 37c27af..90c3c69 100644
> --- a/arch/arm/mach-davinci/da8xx-dt.c
> +++ b/arch/arm/mach-davinci/da8xx-dt.c
> @@ -37,11 +37,17 @@ static void __init da8xx_init_irq(void)
> of_irq_init(da8xx_irq_match);
> }
>
> +struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
> + OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "watchdog", NULL),
> + {}
> +};
> +
> #ifdef CONFIG_ARCH_DAVINCI_DA850
>
> static void __init da850_init_machine(void)
> {
> - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> + of_platform_populate(NULL, of_default_bus_match_table,
> + da850_auxdata_lookup, NULL);
>
> da8xx_uart_clk_enable();
> }
>
>
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