linux-kernel - Re: [PATCH] ARM: dts: rockchip: correct regular setting for act8846

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Date:   Wed, 24 May 2017 16:44:05 +0800
From:   Eddie Cai <eddie.cai.linux@...il.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: rockchip: correct regular setting for act8846

2017-05-24 16:17 GMT+08:00 Heiko Stuebner <heiko@...ech.de>:
> Hi Eddie,
>
> Am Mittwoch, 24. Mai 2017, 15:33:41 CEST schrieb Eddie Cai:
>> the previous setting of act8846 is just copy from firefly board. but
>> the reload board is a little different from firefly board. let's correct
>> it.
>>
>> Signed-off-by: Eddie Cai <eddie.cai.linux@...il.com>
>> ---
>>  arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi | 21 +++++++++++----------
>>  1 file changed, 11 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi b/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
>> index 8134966..4cfa109 100644
>> --- a/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
>> +++ b/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
>> @@ -179,6 +179,7 @@
>>                               regulator-name = "vccio_sd";
>>                               regulator-min-microvolt = <3300000>;
>>                               regulator-max-microvolt = <3300000>;
>> +                             regulator-always-on;
>
> the rest below looks pretty straight forward, but why does vccio_sd
> need to be always on?
>
> I've checked the reload's schematics but did not find any further users
> of vccio_sd that may warant this attribute.
Oh, It's default on. thank you for point out my mistake. I will modify
it in next version.
>
>
> Heiko
>
>
>>                       };
>>
>>                       vdd10_lcd: REG6 {
>> @@ -187,24 +188,23 @@
>>                               regulator-max-microvolt = <1000000>;
>>                       };
>>
>> -                     vcca_18: REG7  {
>> -                             regulator-name = "vcca_18";
>> -                             regulator-min-microvolt = <1800000>;
>> -                             regulator-max-microvolt = <1800000>;
>> -                             regulator-always-on;
>> +                     vcca_33: REG7  {
>> +                             regulator-name = "vcca_33";
>> +                             regulator-min-microvolt = <3300000>;
>> +                             regulator-max-microvolt = <3300000>;
>>                       };
>>
>> -                     vcca_33: REG8 {
>> -                             regulator-name = "vcca_33";
>> +                     vcc_lan: REG8 {
>> +                             regulator-name = "vcc_lan";
>>                               regulator-min-microvolt = <3300000>;
>>                               regulator-max-microvolt = <3300000>;
>> -                             regulator-always-on;
>>                       };
>>
>> -                     vcc_lan: REG9 {
>> -                             regulator-name = "vcca_lan";
>> +                     vccio_pmu: REG9 {
>> +                             regulator-name = "vccio_pmu";
>>                               regulator-min-microvolt = <3300000>;
>>                               regulator-max-microvolt = <3300000>;
>> +                             regulator-always-on;
>>                       };
>>
>>                       vdd_10: REG10 {
>> @@ -218,6 +218,7 @@
>>                               regulator-name = "vcc_18";
>>                               regulator-min-microvolt = <1800000>;
>>                               regulator-max-microvolt = <1800000>;
>> +                             regulator-always-on;
>>                       };
>>
>>                       vcc18_lcd: REG12 {
>>
>
>