Subject: [PATCH 3/4] ARM/dts: omap5: Update UART with address space and interrupts

From: [email-masked] (Sourav)
Date: Mon, 22 Oct 2012 17:57:00 +0530

Hi Benoit,
On Monday 22 October 2012 05:37 PM, Benoit Cousson wrote:
> 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 <[email-masked]>
>>>> ---
>>>>    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?
I looked at Page 6300 of the above TRM, Figure 24-60. Is this place not 
correct to look
up for these data?

> Regards,
> Benoit