Re: [PATCH v3 2/3] ARM: dts: dra7: Add syscon-pllreset syscon to SATA PHY

From: Roger Quadros
Date: Mon Jul 27 2015 - 05:34:12 EST


On 20/07/15 15:08, Tero Kristo wrote:
> On 07/17/2015 04:47 PM, Roger Quadros wrote:
>> This register is required to be passed to the SATA PHY driver
>> to workaround errata i783 (SATA Lockup After SATA DPLL Unlock/Relock).
>>
>> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
>> ---
>> arch/arm/boot/dts/dra7.dtsi | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
>> index 8f1e25b..4a0718c 100644
>> --- a/arch/arm/boot/dts/dra7.dtsi
>> +++ b/arch/arm/boot/dts/dra7.dtsi
>> @@ -1140,6 +1140,7 @@
>> ctrl-module = <&omap_control_sata>;
>> clocks = <&sys_clkin1>, <&sata_ref_clk>;
>> clock-names = "sysclk", "refclk";
>> + syscon-pllreset = <&scm_conf 0x3fc>;
>> #phy-cells = <0>;
>> };
>>
>>
>
> Looks fine to me.
>
> Make sure you use this register via regmap_update_bits only, seeing there is another potential user for the same register.

Yes. Patch 1 is the user using regmap_update_bits.

cheers,
-roger
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