linux-kernel - [PATCH V2 1/2] ARM: davinci: da850: add wdt DT node

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Date:	Wed, 6 Feb 2013 09:30:03 +0530
From:	"Kumar, Anil" <anilkumar.v@...com>
To:	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	<davinci-linux-open-source@...ux.davincidsp.com>
CC:	<linux@....linux.org.uk>, <nsekhar@...com>,
	<khilman@...prootsystems.com>, <hs@...x.de>, <mporter@...com>,
	<broonie@...nsource.wolfsonmicro.com>, <mchehab@...hat.com>,
	<vaibhav.bedia@...com>, <b-cousson@...com>, <tony@...mide.com>,
	<grant.likely@...retlab.ca>, <rob.herring@...xeda.com>,
	<anilkumar.v@...com>
Subject: [PATCH V2 1/2] ARM: davinci: da850: add wdt DT node

Add da850 wdt DT node.
Add OF_DEV_AUXDATA for wdt driver to use wdt clock.

Signed-off-by: Kumar, Anil <anilkumar.v@...com>
---
Changes for V2:

 -Make single patch for wdt DT node and its OF_DEV_AUXDATA entry changes.

:100644 100644 37dc5a3... 4666ce9... M	arch/arm/boot/dts/da850-evm.dts
:100644 100644 640ab75... ffba00f... M	arch/arm/boot/dts/da850.dtsi
:100644 100644 37c27af... 01521ed... M	arch/arm/mach-davinci/da8xx-dt.c
 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 deletions(-)

diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 37dc5a3..4666ce9 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -24,5 +24,8 @@
 		serial2: serial@...d000 {
 			status = "okay";
 		};
+		wdt: wdt@...1000 {
+			status = "okay";
+		};
 	};
 };
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 640ab75..ffba00f 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -56,5 +56,10 @@
 			interrupt-parent = <&intc>;
 			status = "disabled";
 		};
+		wdt: wdt@...1000 {
+			compatible = "ti,davinci-wdt";
+			reg = <0x21000 0x1000>;
+			status = "disabled";
+		};
 	};
 };
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index 37c27af..01521ed 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();
 }
-- 
1.7.4.1

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