From: Frieder Schrempf <frieder.schrempf@kontron.de> To: Frieder Schrempf <frieder@fris.de>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <festevam@gmail.com>, Krzysztof Kozlowski <krzk@kernel.org>, NXP Linux Team <linux-imx@nxp.com>, Pengutronix Kernel Team <kernel@pengutronix.de> Subject: Re: [PATCH 2/8] arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Date: Thu, 30 Sep 2021 18:02:01 +0200 [thread overview] Message-ID: <bf6ab1b2-664c-1d1d-18b9-71ced9fbb518@kontron.de> (raw) In-Reply-To: <20210930155633.2745201-3-frieder@fris.de> On 30.09.21 17:56, Frieder Schrempf wrote: > From: Frieder Schrempf <frieder.schrempf@kontron.de> > > VDD_SOC should be 800 mV in suspend and 850 mV in run mode. VDD_DRAM > should be 950 mV for DDR clock frequencies of 1.5 GHz. > > This information is taken from the datasheet and the uboot-imx code. > > Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> This should also have: Fixes: 21c4f45b335f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org > --- > arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > index 03b3516abd64..b12fb7ce6686 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > @@ -92,10 +92,12 @@ regulators { > reg_vdd_soc: BUCK1 { > regulator-name = "buck1"; > regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <900000>; > + regulator-max-microvolt = <850000>; > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > + nxp,dvs-run-voltage = <850000>; > + nxp,dvs-standby-voltage = <800000>; > }; > > reg_vdd_arm: BUCK2 { > @@ -111,7 +113,7 @@ reg_vdd_arm: BUCK2 { > reg_vdd_dram: BUCK3 { > regulator-name = "buck3"; > regulator-min-microvolt = <850000>; > - regulator-max-microvolt = <900000>; > + regulator-max-microvolt = <950000>; > regulator-boot-on; > regulator-always-on; > }; >
WARNING: multiple messages have this Message-ID (diff)
From: Frieder Schrempf <frieder.schrempf@kontron.de> To: Frieder Schrempf <frieder@fris.de>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <festevam@gmail.com>, Krzysztof Kozlowski <krzk@kernel.org>, NXP Linux Team <linux-imx@nxp.com>, Pengutronix Kernel Team <kernel@pengutronix.de> Subject: Re: [PATCH 2/8] arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Date: Thu, 30 Sep 2021 18:02:01 +0200 [thread overview] Message-ID: <bf6ab1b2-664c-1d1d-18b9-71ced9fbb518@kontron.de> (raw) In-Reply-To: <20210930155633.2745201-3-frieder@fris.de> On 30.09.21 17:56, Frieder Schrempf wrote: > From: Frieder Schrempf <frieder.schrempf@kontron.de> > > VDD_SOC should be 800 mV in suspend and 850 mV in run mode. VDD_DRAM > should be 950 mV for DDR clock frequencies of 1.5 GHz. > > This information is taken from the datasheet and the uboot-imx code. > > Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> This should also have: Fixes: 21c4f45b335f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org > --- > arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > index 03b3516abd64..b12fb7ce6686 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > @@ -92,10 +92,12 @@ regulators { > reg_vdd_soc: BUCK1 { > regulator-name = "buck1"; > regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <900000>; > + regulator-max-microvolt = <850000>; > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > + nxp,dvs-run-voltage = <850000>; > + nxp,dvs-standby-voltage = <800000>; > }; > > reg_vdd_arm: BUCK2 { > @@ -111,7 +113,7 @@ reg_vdd_arm: BUCK2 { > reg_vdd_dram: BUCK3 { > regulator-name = "buck3"; > regulator-min-microvolt = <850000>; > - regulator-max-microvolt = <900000>; > + regulator-max-microvolt = <950000>; > regulator-boot-on; > regulator-always-on; > }; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-09-30 16:02 UTC|newest] Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-30 15:56 [PATCH 0/8] Devicetree fixes and additions for Kontron SL/BL i.MX8MM boards Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-09-30 15:56 ` [PATCH 1/8] arm64: dts: imx8mm-kontron: Add support for ultra high speed modes on SD card Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-10-05 6:45 ` Shawn Guo 2021-10-05 6:45 ` Shawn Guo 2021-10-15 10:44 ` Frieder Schrempf 2021-10-15 10:44 ` Frieder Schrempf 2021-09-30 15:56 ` [PATCH 2/8] arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-09-30 16:02 ` Frieder Schrempf [this message] 2021-09-30 16:02 ` Frieder Schrempf 2021-10-05 6:49 ` Shawn Guo 2021-10-05 6:49 ` Shawn Guo 2021-10-05 6:53 ` Shawn Guo 2021-10-05 6:53 ` Shawn Guo 2021-10-05 13:10 ` Frieder Schrempf 2021-10-05 13:10 ` Frieder Schrempf 2021-10-15 3:51 ` Shawn Guo 2021-10-15 3:51 ` Shawn Guo 2021-09-30 15:56 ` [PATCH 3/8] arm64: dts: imx8mm-kontron: Set VDD_SNVS to 800 mV Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-10-05 6:56 ` Shawn Guo 2021-10-05 6:56 ` Shawn Guo 2021-10-05 13:14 ` Frieder Schrempf 2021-10-05 13:14 ` Frieder Schrempf 2021-10-15 4:04 ` Shawn Guo 2021-10-15 4:04 ` Shawn Guo 2021-09-30 15:56 ` [PATCH 4/8] arm64: dts: imx8mm-kontron: Fix reg_rst_eth2 and reg_vdd_5v regulators Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-10-05 7:09 ` Shawn Guo 2021-10-05 7:09 ` Shawn Guo 2021-10-05 17:06 ` Frieder Schrempf 2021-10-05 17:06 ` Frieder Schrempf 2021-10-15 4:09 ` Shawn Guo 2021-10-15 4:09 ` Shawn Guo 2021-10-15 11:32 ` Frieder Schrempf 2021-10-15 11:32 ` Frieder Schrempf 2021-09-30 15:56 ` [PATCH 5/8] arm64: dts: imx8mm-kontron: Fix CAN SPI clock frequency Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-10-05 7:12 ` Shawn Guo 2021-10-05 7:12 ` Shawn Guo 2021-10-05 17:17 ` Frieder Schrempf 2021-10-05 17:17 ` Frieder Schrempf 2021-10-15 4:12 ` Shawn Guo 2021-10-15 4:12 ` Shawn Guo 2021-09-30 15:56 ` [PATCH 6/8] arm64: dts: imx8mm-kontron: Fix connection type for VSC8531 RGMII PHY Frieder Schrempf 2021-10-02 18:14 ` Heiko Thiery 2021-10-02 18:08 ` Heiko Thiery 2021-10-05 7:20 ` Shawn Guo 2021-10-05 7:20 ` Shawn Guo 2021-09-30 15:56 ` [PATCH 7/8] arm64: dts: imx8mm-kontron: Fix reset delays for ethernet PHY Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-09-30 15:56 ` [PATCH 8/8] arm64: dts: imx8mm-kontron: Leave reg_vdd_arm always powered on Frieder Schrempf 2021-09-30 15:56 ` Frieder Schrempf 2021-09-30 18:52 ` Heiko Thiery 2021-09-30 18:52 ` Heiko Thiery 2021-10-05 7:27 ` Shawn Guo 2021-10-05 7:27 ` Shawn Guo
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