[PATCH 3/4] ARM/dts: omap5: Update UART with address space and interrupts
Benoit Cousson
b-cousson at ti.com
Mon Oct 22 08:07:06 EDT 2012
On 10/22/2012 01:57 PM, Benoit Cousson wrote:
> Hi Sourav,
>
> On 10/22/2012 01:16 PM, Sourav wrote:
>> Hi Sebastien,
>> On Monday 22 October 2012 03:52 PM, Sebastien Guiriec wrote:
>>> Add base address and interrupt line inside Device Tree data for
>> Incomplete sentence!
>>> Signed-off-by: Sebastien Guiriec <s-guiriec at ti.com>
>>> ---
>>> arch/arm/boot/dts/omap5.dtsi | 16 ++++++++++++++--
>>> 1 file changed, 14 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
>>> index 6c22e1b..413df94 100644
>>> --- a/arch/arm/boot/dts/omap5.dtsi
>>> +++ b/arch/arm/boot/dts/omap5.dtsi
>>> @@ -237,36 +237,48 @@
>>> uart1: serial at 4806a000 {
>>> compatible = "ti,omap4-uart";
>>> + reg = <0x4806a000 0x100>;
>>> + interrupts = <0 72 0x4>;
>>> ti,hwmods = "uart1";
>>> clock-frequency = <48000000>;
>>> };
>>> uart2: serial at 4806c000 {
>>> compatible = "ti,omap4-uart";
>>> + reg = <0x4806c000 0x100>;
>>> + interrupts = <0 73 0x4>;
>>> ti,hwmods = "uart2";
>>> clock-frequency = <48000000>;
>>> };
>>> uart3: serial at 48020000 {
>>> compatible = "ti,omap4-uart";
>>> + reg = <0x48020000 0x100>;
>>> + interrupts = <0 74 0x4>;
>>> ti,hwmods = "uart3";
>>> clock-frequency = <48000000>;
>>> };
>>> uart4: serial at 4806e000 {
>>> compatible = "ti,omap4-uart";
>>> + reg = <0x4806e000 0x100>;
>>> + interrupts = <0 70 0x4>;
>>> ti,hwmods = "uart4";
>>> clock-frequency = <48000000>;
>>> };
>>> uart5: serial at 48066000 {
>>> - compatible = "ti,omap5-uart";
>>> + compatible = "ti,omap4-uart";
>>> + reg = <0x48066000 0x100>;
>>> + interrupts = <0 105 0x4>;
>> In Omap5 TRM, the interrupt number mentioned for uart5 is 138. How is
>> 105 coming?
>
> It is from hwmod and thus from the HW spec. It looks like the TRM is
> wrong... or the HW spec :-)
>
>>> ti,hwmods = "uart5";
>>> clock-frequency = <48000000>;
>>> };
>>> uart6: serial at 48068000 {
>>> - compatible = "ti,omap6-uart";
>>> + compatible = "ti,omap4-uart";
>>> + reg = <0x48068000 0x100>;
>>> + interrupts = <0 106 0x4>;
>> Same here, TRM shows this number to be 139 ?
In fact, even the TRM (ES1.0 NDA vM) is aligned with these data.
Where did you see 138 and 139?
Regards,
Benoit
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