linux-kernel - Re: [PATCH 06/11] arm64: dts: meson-g12a-x96-max: add regulators

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Message-ID: <5C8D0B18.1070001@baylibre.com>
Date:   Sat, 16 Mar 2019 15:41:28 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Guillaume La Roque <glaroque@...libre.com>
CC:     khilman@...libre.com, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 06/11] arm64: dts: meson-g12a-x96-max: add regulators



Le 15/03/2019 23:05, Martin Blumenstingl a écrit :
> Hi Neil and Guillaume,
> 
> On Mon, Mar 11, 2019 at 11:04 AM Neil Armstrong <narmstrong@...libre.com> wrote:
>>
>> From: Guillaume La Roque <glaroque@...libre.com>
>>
>> Add system regulators for the X96 Max Set-Top-Box.
> the hint from the "meson-g12a-sei510: add regulators" patch would be
> great here as well:
>   Still missing
>   * VDD_EE (0.8V - PWM controlled)
>   * VDD_CPU(PWM controlled)
>   * VDDQ1_5

Will add the comment

> 
> I'm not sure whether this board also has VDDQ1_5 though, but VDD_EE
> and VDD_CPU should be very similar (or even identical)

It's bases on a ref design, we can assume it's the same yes

> 
>>
>> Signed-off-by: Guillaume La Roque <glaroque@...libre.com>
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
>> ---
>>  .../boot/dts/amlogic/meson-g12a-x96-max.dts   | 65 +++++++++++++++++++
>>  1 file changed, 65 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
>> index 0edbd00b358f..21e5de48613e 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
>> @@ -21,6 +21,71 @@
>>                 device_type = "memory";
>>                 reg = <0x0 0x0 0x0 0x40000000>;
>>         };
>> +
>> +       flash_1v8: regulator-flash_1v8 {
>> +               compatible = "regulator-fixed";
>> +               regulator-name = "FLASH_1V8";
>> +               regulator-min-microvolt = <1800000>;
>> +               regulator-max-microvolt = <1800000>;
>> +               vin-supply = <&vcc_3v3>;
>> +               regulator-always-on;
>> +       };
>> +
>> +       main_12v: regulator-main_12v {
>> +               compatible = "regulator-fixed";
>> +               regulator-name = "12V";
>> +               regulator-min-microvolt = <12000000>;
>> +               regulator-max-microvolt = <12000000>;
>> +               regulator-always-on;
>> +       };
> mine has a 5V DC in. can you please check this on your board?
> 
> 
> Regards
> Martin
>