Hi,
On Wed, Oct 30, 2013 at 3:22 PM, Sachin Kamat <sachin.kamat@xxxxxxxxxx> wrote:
> Hi Leela,
>
> On 30 October 2013 15:21, Leela Krishna Amudala <l.krishna@xxxxxxxxxxx> wrote:
>> This patch adds pmusysreg node to Exynos5 dtsi file to handle PMU
>> register accesses in a centralized way using syscon driver
>>
>> Signed-off-by: Leela Krishna Amudala <l.krishna@xxxxxxxxxxx>
>> ---
>> arch/arm/boot/dts/exynos5.dtsi | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos5.dtsi b/arch/arm/boot/dts/exynos5.dtsi
>> index e52b038..918e732 100644
>> --- a/arch/arm/boot/dts/exynos5.dtsi
>> +++ b/arch/arm/boot/dts/exynos5.dtsi
>> @@ -106,4 +106,9 @@
>> #size-cells = <0>;
>> status = "disabled";
>> };
>> +
>> + pmu_sys_reg: pmusysreg@1004000 {
>> + compatible = "syscon";
>> + reg = <0x10040000 0x5000>;
>> + };
>> };
>
> Had a look at this in a bit detail and found the following.
> The register base address for this block on 5250 and 5420 as per the
> TRM is 0x10050000.
>
> Also, the binding document specifies the naming convention. According
> to it this node
> should like:
>
> sys_reg: sysreg@10050000 {
> compatible = "samsung,exynos5-sysreg", "syscon";
> reg = <0x10050000 0x500>;
> };
>
I know, but here my intention is not to regmap system register (0x10050000),
but instead PMU register (0x10040000), Hence created this node.
~Leela Krishna
> --
> With warm regards,
> Sachin
> --
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