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Groups > linux.kernel > #1696835
| From | Icenowy Zheng <icenowy@aosc.io> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC |
| Date | 2017-07-26 09:20 +0200 |
| Message-ID | <u7oLT-5HO-1@gated-at.bofh.it> (permalink) |
| References | <u6mj7-6k6-1@gated-at.bofh.it> <u6mj9-6k6-37@gated-at.bofh.it> <u7oCe-5E8-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
于 2017年7月26日 GMT+08:00 下午3:08:06, Chen-Yu Tsai <wens@csie.org> 写到:
>On Sun, Jul 23, 2017 at 6:27 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
>> From: Ondrej Jirman <megous@megous.com>
>>
>> Add SY8106A regulator to r_i2c bus and enable the r_i2c bus on
>> Orange Pi PC, then set the power supply of the ARM cores to this
>> regulator, in order to enable DVFS.
>>
>> Signed-off-by: Ondrej Jirman <megous@megous.com>
>> [Icenowy: Enable DVFS in this patch, slight changes and change commit
>> message]
>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>> ---
>> arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts | 19 +++++++++++++++++++
>> 1 file changed, 19 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
>b/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
>> index 998b60f8d295..d855f8b6254e 100644
>> --- a/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
>> +++ b/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
>> @@ -98,6 +98,10 @@
>> status = "okay";
>> };
>>
>> +&cpu0 {
>> + cpu-supply = <®_sy8106a>;
>> +};
>> +
>> &ehci0 {
>> status = "okay";
>> };
>> @@ -160,6 +164,21 @@
>> };
>> };
>>
>> +&r_i2c {
>> + status = "okay";
>> +
>> + reg_sy8106a: regulator@65 {
>> + compatible = "silergy,sy8106a";
>> + reg = <0x65>;
>> + regulator-name = "vdd-cpux";
>> + regulator-min-microvolt = <1000000>;
>
>According to the H3 datasheet, the minimum voltage is 1.1V, not 1V.
But the Armbian OPP table for H3 contains several
OPP under 1.1V...
>
>Otherwse
>
>> + regulator-max-microvolt = <1400000>;
>> + regulator-ramp-delay = <200>;
>
>Is this an actual constraint of the SoC? Or is it a characteristic
>of the regulator? If it is the latter, it belongs in the driver.
>AFAIK the regulator supports varying the ramp delay (slew rate).
>
>ChenYu
>
>> + regulator-boot-on;
>> + regulator-always-on;
>> + };
>> +};
>> +
>> &r_pio {
>> leds_r_opc: led_pins@0 {
>> pins = "PL10";
>> --
>> 2.13.0
>>
>> --
>> You received this message because you are subscribed to the Google
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[PATCH 00/10] A trial to Allwinner H3 DVFS support Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
[PATCH 07/10] cpufreq: dt: Add support for some new Allwinner SoCs Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [PATCH 07/10] cpufreq: dt: Add support for some new Allwinner SoCs Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-24 11:00 +0200
Re: [PATCH 07/10] cpufreq: dt: Add support for some new Allwinner SoCs "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-24 14:00 +0200
[PATCH 04/10] ARM: sunxi: h3/h5: Add r_i2c I2C controller Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 04/10] ARM: sunxi: h3/h5: Add r_i2c I2C controller Chen-Yu Tsai <wens@csie.org> - 2017-07-24 05:20 +0200
[PATCH 08/10] ARM: sun8i: h3: add operating-points-v2 table for CPU Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
[PATCH 03/10] ARM: sunxi: h3/h5: Add r_i2c pinmux node Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 03/10] ARM: sunxi: h3/h5: Add r_i2c pinmux node Chen-Yu Tsai <wens@csie.org> - 2017-07-24 05:10 +0200
Re: [linux-sunxi] [PATCH 03/10] ARM: sunxi: h3/h5: Add r_i2c pinmux node icenowy@aosc.io - 2017-07-24 05:10 +0200
[PATCH 05/10] clk: sunxi-ng: h3: gate then ungate PLL CPU clk after rate change Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [PATCH 05/10] clk: sunxi-ng: h3: gate then ungate PLL CPU clk after rate change Stephen Boyd <sboyd@codeaurora.org> - 2017-07-26 02:40 +0200
Re: [linux-sunxi] [PATCH 05/10] clk: sunxi-ng: h3: gate then ungate PLL CPU clk after rate change Chen-Yu Tsai <wens@csie.org> - 2017-07-26 09:20 +0200
[PATCH 09/10] ARM: sun8i: h2+: add SY8113B regulator used by Orange Pi Zero board Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 09/10] ARM: sun8i: h2+: add SY8113B regulator used by Orange Pi Zero board Chen-Yu Tsai <wens@csie.org> - 2017-07-24 06:10 +0200
[PATCH 06/10] clk: sunxi-ng: allow set parent clock (PLL_CPUX) for CPUX clock on H3 Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 06/10] clk: sunxi-ng: allow set parent clock (PLL_CPUX) for CPUX clock on H3 Chen-Yu Tsai <wens@csie.org> - 2017-07-24 05:20 +0200
Re: [PATCH 06/10] clk: sunxi-ng: allow set parent clock (PLL_CPUX) for CPUX clock on H3 Stephen Boyd <sboyd@codeaurora.org> - 2017-07-26 02:40 +0200
[PATCH 02/10] regulator: add support for SY8106A regulator Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 02/10] regulator: add support for SY8106A regulator Chen-Yu Tsai <wens@csie.org> - 2017-07-24 05:10 +0200
Re: [linux-sunxi] [PATCH 02/10] regulator: add support for SY8106A regulator icenowy@aosc.io - 2017-07-24 05:20 +0200
Re: [linux-sunxi] [PATCH 02/10] regulator: add support for SY8106A regulator icenowy@aosc.io - 2017-07-24 05:40 +0200
Re: [linux-sunxi] [PATCH 02/10] regulator: add support for SY8106A regulator Chen-Yu Tsai <wens@csie.org> - 2017-07-24 08:20 +0200
Re: [linux-sunxi] [PATCH 02/10] regulator: add support for SY8106A regulator Chen-Yu Tsai <wens@csie.org> - 2017-07-24 05:40 +0200
Re: [linux-sunxi] [PATCH 02/10] regulator: add support for SY8106A regulator Mark Brown <broonie@kernel.org> - 2017-07-24 17:10 +0200
[PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Chen-Yu Tsai <wens@csie.org> - 2017-07-26 09:10 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Icenowy Zheng <icenowy@aosc.io> - 2017-07-26 09:20 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Chen-Yu Tsai <wens@csie.org> - 2017-07-26 09:40 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC icenowy@aosc.io - 2017-07-26 09:40 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Ondřej Jirman <megous@megous.com> - 2017-07-26 12:40 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-07-26 13:50 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC icenowy@aosc.io - 2017-07-26 14:50 +0200
Re: [linux-sunxi] [PATCH 10/10] ARM: dts: sun8i: Add SY8106A regulator to Orange Pi PC Ondřej Jirman <megous@megous.com> - 2017-07-26 15:00 +0200
[PATCH 01/10] dt-bindings: add binding for the SY8160A voltage regulator Icenowy Zheng <icenowy@aosc.io> - 2017-07-23 12:30 +0200
Re: [linux-sunxi] [PATCH 01/10] dt-bindings: add binding for the SY8160A voltage regulator Chen-Yu Tsai <wens@csie.org> - 2017-07-24 05:10 +0200
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