From: Palmer Dabbelt <palmer@dabbelt.com> To: plr.vincent@gmail.com Cc: robh+dt@kernel.org, Paul Walmsley <paul.walmsley@sifive.com>, aou@eecs.berkeley.edu, krzysztof.kozlowski@canonical.com, qiuwenbo@kylinos.com.cn, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, david.abdurachmanov@sifive.com Subject: Re: [PATCH v3 5/6] riscv: dts: sifive unmatched: Fix regulator for board rev3 Date: Thu, 02 Dec 2021 13:42:09 -0800 (PST) [thread overview] Message-ID: <mhng-25baa8a5-d7c1-4a37-8489-123fd12499f0@palmer-ri-x1c9> (raw) In-Reply-To: <537742e7af4a21baf79429469ba7c30947ddca7a.1637362542.git.plr.vincent@gmail.com> On Fri, 19 Nov 2021 14:55:41 PST (-0800), plr.vincent@gmail.com wrote: > The existing values are rejected by the da9063 regulator driver, as they > are unachievable with the declared chip setup (non-merged vcore and bmem > are unable to provide the declared curent). > > Fix voltages to match rev3 schematics, which also matches their boot-up There's a few references to rev 3 here. I'm not sure if that means we should have multiple device trees -- this one seems pretty benign, but some of the regulator stuff worries me there, where anything rev 3 specific might not be safe on other revisions. Did any previous revisions make it out of the lab? > configuration within the chip's available precision. > Declare bcore1/bcore2 and bmem/bio as merged. > Set ldo09 and ldo10 as always-on as their consumers are not declared but > exist. > Drop ldo current limits as there is no current limit feature for these > regulators in the DA9063. Fixes warnings like: > DA9063_LDO3: Operation of current configuration missing > > Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com> > > --- > Changes since v2: > - Fix end-of-commit-message separator so change lists do not end up in them. > Changes since v1: > - Remove trailing "." on subject line. > --- > .../boot/dts/sifive/hifive-unmatched-a00.dts | 84 ++++++------------- > 1 file changed, 24 insertions(+), 60 deletions(-) > > diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts > index 6e7775fdae32..1abad0eec02e 100644 > --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts > +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts > @@ -93,47 +93,31 @@ wdt { > }; > > regulators { > - vdd_bcore1: bcore1 { > - regulator-min-microvolt = <900000>; > - regulator-max-microvolt = <900000>; > - regulator-min-microamp = <5000000>; > - regulator-max-microamp = <5000000>; > - regulator-always-on; > - }; > - > - vdd_bcore2: bcore2 { > - regulator-min-microvolt = <900000>; > - regulator-max-microvolt = <900000>; > - regulator-min-microamp = <5000000>; > - regulator-max-microamp = <5000000>; > + vdd_bcore: bcores-merged { > + regulator-min-microvolt = <1050000>; > + regulator-max-microvolt = <1050000>; > + regulator-min-microamp = <4800000>; > + regulator-max-microamp = <4800000>; > regulator-always-on; > }; > > vdd_bpro: bpro { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <2500000>; > - regulator-max-microamp = <2500000>; > + regulator-min-microamp = <2400000>; > + regulator-max-microamp = <2400000>; > regulator-always-on; > }; > > vdd_bperi: bperi { > - regulator-min-microvolt = <1050000>; > - regulator-max-microvolt = <1050000>; > + regulator-min-microvolt = <1060000>; > + regulator-max-microvolt = <1060000>; > regulator-min-microamp = <1500000>; > regulator-max-microamp = <1500000>; > regulator-always-on; > }; > > - vdd_bmem: bmem { > - regulator-min-microvolt = <1200000>; > - regulator-max-microvolt = <1200000>; > - regulator-min-microamp = <3000000>; > - regulator-max-microamp = <3000000>; > - regulator-always-on; > - }; > - > - vdd_bio: bio { > + vdd_bmem_bio: bmem-bio-merged { > regulator-min-microvolt = <1200000>; > regulator-max-microvolt = <1200000>; > regulator-min-microamp = <3000000>; > @@ -144,86 +128,66 @@ vdd_bio: bio { > vdd_ldo1: ldo1 { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <100000>; > - regulator-max-microamp = <100000>; > regulator-always-on; > }; > > vdd_ldo2: ldo2 { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > regulator-always-on; > }; > > vdd_ldo3: ldo3 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ldo4: ldo4 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <2500000>; > + regulator-max-microvolt = <2500000>; > regulator-always-on; > }; > > vdd_ldo5: ldo5 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <100000>; > - regulator-max-microamp = <100000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ldo6: ldo6 { > - regulator-min-microvolt = <3300000>; > - regulator-max-microvolt = <3300000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-always-on; > }; > > vdd_ldo7: ldo7 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ldo8: ldo8 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ld09: ldo9 { > regulator-min-microvolt = <1050000>; > regulator-max-microvolt = <1050000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-always-on; > }; > > vdd_ldo10: ldo10 { > regulator-min-microvolt = <1000000>; > regulator-max-microvolt = <1000000>; > - regulator-min-microamp = <300000>; > - regulator-max-microamp = <300000>; > + regulator-always-on; > }; > > vdd_ldo11: ldo11 { > regulator-min-microvolt = <2500000>; > regulator-max-microvolt = <2500000>; > - regulator-min-microamp = <300000>; > - regulator-max-microamp = <300000>; > regulator-always-on; > }; > };
WARNING: multiple messages have this Message-ID (diff)
From: Palmer Dabbelt <palmer@dabbelt.com> To: plr.vincent@gmail.com Cc: robh+dt@kernel.org, Paul Walmsley <paul.walmsley@sifive.com>, aou@eecs.berkeley.edu, krzysztof.kozlowski@canonical.com, qiuwenbo@kylinos.com.cn, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, david.abdurachmanov@sifive.com Subject: Re: [PATCH v3 5/6] riscv: dts: sifive unmatched: Fix regulator for board rev3 Date: Thu, 02 Dec 2021 13:42:09 -0800 (PST) [thread overview] Message-ID: <mhng-25baa8a5-d7c1-4a37-8489-123fd12499f0@palmer-ri-x1c9> (raw) In-Reply-To: <537742e7af4a21baf79429469ba7c30947ddca7a.1637362542.git.plr.vincent@gmail.com> On Fri, 19 Nov 2021 14:55:41 PST (-0800), plr.vincent@gmail.com wrote: > The existing values are rejected by the da9063 regulator driver, as they > are unachievable with the declared chip setup (non-merged vcore and bmem > are unable to provide the declared curent). > > Fix voltages to match rev3 schematics, which also matches their boot-up There's a few references to rev 3 here. I'm not sure if that means we should have multiple device trees -- this one seems pretty benign, but some of the regulator stuff worries me there, where anything rev 3 specific might not be safe on other revisions. Did any previous revisions make it out of the lab? > configuration within the chip's available precision. > Declare bcore1/bcore2 and bmem/bio as merged. > Set ldo09 and ldo10 as always-on as their consumers are not declared but > exist. > Drop ldo current limits as there is no current limit feature for these > regulators in the DA9063. Fixes warnings like: > DA9063_LDO3: Operation of current configuration missing > > Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com> > > --- > Changes since v2: > - Fix end-of-commit-message separator so change lists do not end up in them. > Changes since v1: > - Remove trailing "." on subject line. > --- > .../boot/dts/sifive/hifive-unmatched-a00.dts | 84 ++++++------------- > 1 file changed, 24 insertions(+), 60 deletions(-) > > diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts > index 6e7775fdae32..1abad0eec02e 100644 > --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts > +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts > @@ -93,47 +93,31 @@ wdt { > }; > > regulators { > - vdd_bcore1: bcore1 { > - regulator-min-microvolt = <900000>; > - regulator-max-microvolt = <900000>; > - regulator-min-microamp = <5000000>; > - regulator-max-microamp = <5000000>; > - regulator-always-on; > - }; > - > - vdd_bcore2: bcore2 { > - regulator-min-microvolt = <900000>; > - regulator-max-microvolt = <900000>; > - regulator-min-microamp = <5000000>; > - regulator-max-microamp = <5000000>; > + vdd_bcore: bcores-merged { > + regulator-min-microvolt = <1050000>; > + regulator-max-microvolt = <1050000>; > + regulator-min-microamp = <4800000>; > + regulator-max-microamp = <4800000>; > regulator-always-on; > }; > > vdd_bpro: bpro { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <2500000>; > - regulator-max-microamp = <2500000>; > + regulator-min-microamp = <2400000>; > + regulator-max-microamp = <2400000>; > regulator-always-on; > }; > > vdd_bperi: bperi { > - regulator-min-microvolt = <1050000>; > - regulator-max-microvolt = <1050000>; > + regulator-min-microvolt = <1060000>; > + regulator-max-microvolt = <1060000>; > regulator-min-microamp = <1500000>; > regulator-max-microamp = <1500000>; > regulator-always-on; > }; > > - vdd_bmem: bmem { > - regulator-min-microvolt = <1200000>; > - regulator-max-microvolt = <1200000>; > - regulator-min-microamp = <3000000>; > - regulator-max-microamp = <3000000>; > - regulator-always-on; > - }; > - > - vdd_bio: bio { > + vdd_bmem_bio: bmem-bio-merged { > regulator-min-microvolt = <1200000>; > regulator-max-microvolt = <1200000>; > regulator-min-microamp = <3000000>; > @@ -144,86 +128,66 @@ vdd_bio: bio { > vdd_ldo1: ldo1 { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <100000>; > - regulator-max-microamp = <100000>; > regulator-always-on; > }; > > vdd_ldo2: ldo2 { > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > regulator-always-on; > }; > > vdd_ldo3: ldo3 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ldo4: ldo4 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <2500000>; > + regulator-max-microvolt = <2500000>; > regulator-always-on; > }; > > vdd_ldo5: ldo5 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <100000>; > - regulator-max-microamp = <100000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ldo6: ldo6 { > - regulator-min-microvolt = <3300000>; > - regulator-max-microvolt = <3300000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-always-on; > }; > > vdd_ldo7: ldo7 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ldo8: ldo8 { > - regulator-min-microvolt = <1800000>; > - regulator-max-microvolt = <1800000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > vdd_ld09: ldo9 { > regulator-min-microvolt = <1050000>; > regulator-max-microvolt = <1050000>; > - regulator-min-microamp = <200000>; > - regulator-max-microamp = <200000>; > + regulator-always-on; > }; > > vdd_ldo10: ldo10 { > regulator-min-microvolt = <1000000>; > regulator-max-microvolt = <1000000>; > - regulator-min-microamp = <300000>; > - regulator-max-microamp = <300000>; > + regulator-always-on; > }; > > vdd_ldo11: ldo11 { > regulator-min-microvolt = <2500000>; > regulator-max-microvolt = <2500000>; > - regulator-min-microamp = <300000>; > - regulator-max-microamp = <300000>; > regulator-always-on; > }; > }; _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2021-12-02 21:42 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-19 22:55 [PATCH v3 1/6] riscv: dts: sifive unmatched: Name gpio lines Vincent Pelletier 2021-11-19 22:55 ` Vincent Pelletier 2021-11-19 22:55 ` [PATCH v3 2/6] riscv: dts: sifive unmatched: Expose the board ID eeprom Vincent Pelletier 2021-11-19 22:55 ` Vincent Pelletier 2021-11-21 17:23 ` Krzysztof Kozlowski 2021-11-21 17:23 ` Krzysztof Kozlowski 2021-11-19 22:55 ` [PATCH v3 3/6] riscv: dts: sifive unmatched: Expose the PMIC sub-functions Vincent Pelletier 2021-11-19 22:55 ` Vincent Pelletier 2021-11-19 22:55 ` [PATCH v3 4/6] riscv: dts: sifive unmatched: Expose the FU740 core supply regulator Vincent Pelletier 2021-11-19 22:55 ` Vincent Pelletier 2021-11-21 17:24 ` Krzysztof Kozlowski 2021-11-21 17:24 ` Krzysztof Kozlowski 2021-12-17 5:35 ` Palmer Dabbelt 2021-12-17 5:35 ` Palmer Dabbelt 2021-12-19 21:56 ` Heiko Stübner 2021-12-19 21:56 ` Heiko Stübner 2021-12-19 22:14 ` Rob Herring 2021-12-19 22:14 ` Rob Herring 2021-11-19 22:55 ` [PATCH v3 5/6] riscv: dts: sifive unmatched: Fix regulator for board rev3 Vincent Pelletier 2021-11-19 22:55 ` Vincent Pelletier 2021-12-02 21:42 ` Palmer Dabbelt [this message] 2021-12-02 21:42 ` Palmer Dabbelt 2021-12-03 3:55 ` David Abdurachmanov 2021-12-03 3:55 ` David Abdurachmanov 2021-11-19 22:55 ` [PATCH v3 6/6] riscv: dts: sifive unmatched: Link the tmp451 with its power supply Vincent Pelletier 2021-11-19 22:55 ` Vincent Pelletier 2021-11-21 17:25 ` Krzysztof Kozlowski 2021-11-21 17:25 ` Krzysztof Kozlowski
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