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

From: Kumar, Anil
Date: Tue Feb 05 2013 - 22:59:52 EST


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

Signed-off-by: Kumar, Anil <anilkumar.v@xxxxxx>
---
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@1d0d000 {
status = "okay";
};
+ wdt: wdt@1c21000 {
+ 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@1c21000 {
+ 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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