From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sekhar Nori Subject: Re: [PATCH 2/2] ARM: davinci: da850: add wdt OF_DEV_AUXDATA entry Date: Mon, 4 Feb 2013 17:20:55 +0530 Message-ID: <510FA09F.7030604@ti.com> References: <1359016695-10362-1-git-send-email-anilkumar.v@ti.com> <1359016695-10362-3-git-send-email-anilkumar.v@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1359016695-10362-3-git-send-email-anilkumar.v-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: Errors-To: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org To: "Kumar, Anil" Cc: davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, b-cousson-l0cyMroinI0@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org, grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org, hs-ynQEQJNshbs@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org 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 > --- > :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[]. 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? Thanks, Sekhar ----8<---- From: "Kumar, Anil" 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 Signed-off-by: Sekhar Nori --- 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@1c23000 { status = "okay"; }; + wdt: wdt@1c21000 { + status = "okay"; + }; }; nand_cs3@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@1c21000 { + compatible = "ti,davinci-wdt"; + reg = <0x21000 0xfff>; + status = "disabled"; + }; }; nand_cs3@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(); }