From: Marco Felsch <m.felsch@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: Johannes Schneider <johannes.schneider@leica-geosystems.com>,
devicetree@vger.kernel.org, Richard Zhu <hongxing.zhu@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Li Yang <leoyang.li@nxp.com>, Rob Herring <robh+dt@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Fabio Estevam <festevam@gmail.com>,
Shengjiu Wang <shengjiu.wang@nxp.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 1/3] arm64: dts: imx8mm-evk: move PMIC configuration
Date: Thu, 19 Jan 2023 11:45:30 +0100 [thread overview]
Message-ID: <20230119104530.u65425ee7oc5nn2h@pengutronix.de> (raw)
In-Reply-To: <c461cdd8-2173-80e4-797d-c3d7555ca209@pengutronix.de>
Hi Ahamd,
On 23-01-19, Ahmad Fatoum wrote:
> Hello Marco,
>
> On 19.01.23 10:51, Marco Felsch wrote:
> > Do we really need to move it into another dtsi file? I would either
> > suggest to move the pmic description into the .dts file since it is not
> > common anymore. This way we can avoid the imx8mm-evk-rohm-pmic.dtsi.
>
> The PMIC DTSIs were my suggestion. The Rohm PMIC is still common between
> old LPDDR4 EVK and DDR4 EVK.
Ah okay but still it is one indirection more while reading the dts file.
Therefore I would prefer to put it into the dts file or keep it in the
dtsi file and delete the node within the imx8mm-evkb.dts file. But this
is just my opinion.
Regards,
Marco
>
> Cheers,
> Ahmad
>
> >
> > Regards,
> > Marco
> >
> >> / {
> >> model = "FSL i.MX8MM DDR4 EVK with CYW43455 WIFI/BT board";
> >> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk-rohm-pmic.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk-rohm-pmic.dtsi
> >> new file mode 100644
> >> index 000000000000..0b056996a27b
> >> --- /dev/null
> >> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk-rohm-pmic.dtsi
> >> @@ -0,0 +1,118 @@
> >> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> >> +/*
> >> + * Copyright 2020 NXP
> >> + */
> >> +
> >> +&i2c1 {
> >> + pmic@4b {
> >> + compatible = "rohm,bd71847";
> >> + reg = <0x4b>;
> >> + pinctrl-names = "default";
> >> + pinctrl-0 = <&pinctrl_pmic>;
> >> + interrupt-parent = <&gpio1>;
> >> + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> >> + rohm,reset-snvs-powered;
> >> +
> >> + #clock-cells = <0>;
> >> + clocks = <&osc_32k 0>;
> >> + clock-output-names = "clk-32k-out";
> >> +
> >> + regulators {
> >> + buck1_reg: BUCK1 {
> >> + regulator-name = "buck1";
> >> + regulator-min-microvolt = <700000>;
> >> + regulator-max-microvolt = <1300000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + regulator-ramp-delay = <1250>;
> >> + };
> >> +
> >> + buck2_reg: BUCK2 {
> >> + regulator-name = "buck2";
> >> + regulator-min-microvolt = <700000>;
> >> + regulator-max-microvolt = <1300000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + regulator-ramp-delay = <1250>;
> >> + rohm,dvs-run-voltage = <1000000>;
> >> + rohm,dvs-idle-voltage = <900000>;
> >> + };
> >> +
> >> + buck3_reg: BUCK3 {
> >> + // BUCK5 in datasheet
> >> + regulator-name = "buck3";
> >> + regulator-min-microvolt = <700000>;
> >> + regulator-max-microvolt = <1350000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + buck4_reg: BUCK4 {
> >> + // BUCK6 in datasheet
> >> + regulator-name = "buck4";
> >> + regulator-min-microvolt = <3000000>;
> >> + regulator-max-microvolt = <3300000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + buck5_reg: BUCK5 {
> >> + // BUCK7 in datasheet
> >> + regulator-name = "buck5";
> >> + regulator-min-microvolt = <1605000>;
> >> + regulator-max-microvolt = <1995000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + buck6_reg: BUCK6 {
> >> + // BUCK8 in datasheet
> >> + regulator-name = "buck6";
> >> + regulator-min-microvolt = <800000>;
> >> + regulator-max-microvolt = <1400000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + ldo1_reg: LDO1 {
> >> + regulator-name = "ldo1";
> >> + regulator-min-microvolt = <1600000>;
> >> + regulator-max-microvolt = <3300000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + ldo2_reg: LDO2 {
> >> + regulator-name = "ldo2";
> >> + regulator-min-microvolt = <800000>;
> >> + regulator-max-microvolt = <900000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + ldo3_reg: LDO3 {
> >> + regulator-name = "ldo3";
> >> + regulator-min-microvolt = <1800000>;
> >> + regulator-max-microvolt = <3300000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + ldo4_reg: LDO4 {
> >> + regulator-name = "ldo4";
> >> + regulator-min-microvolt = <900000>;
> >> + regulator-max-microvolt = <1800000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> +
> >> + ldo6_reg: LDO6 {
> >> + regulator-name = "ldo6";
> >> + regulator-min-microvolt = <900000>;
> >> + regulator-max-microvolt = <1800000>;
> >> + regulator-boot-on;
> >> + regulator-always-on;
> >> + };
> >> + };
> >> + };
> >> +};
> >> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> >> index a2b24d4d4e3e..d2b6d7de7e53 100644
> >> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> >> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> >> @@ -7,6 +7,7 @@
> >>
> >> #include <dt-bindings/usb/pd.h>
> >> #include "imx8mm-evk.dtsi"
> >> +#include "imx8mm-evk-rohm-pmic.dtsi"
> >>
> >> / {
> >> model = "FSL i.MX8MM EVK board";
> >> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> >> index 7d6317d95b13..21d0614af44c 100644
> >> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> >> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> >> @@ -182,118 +182,6 @@ &i2c1 {
> >> pinctrl-names = "default";
> >> pinctrl-0 = <&pinctrl_i2c1>;
> >> status = "okay";
> >> -
> >> - pmic@4b {
> >> - compatible = "rohm,bd71847";
> >> - reg = <0x4b>;
> >> - pinctrl-names = "default";
> >> - pinctrl-0 = <&pinctrl_pmic>;
> >> - interrupt-parent = <&gpio1>;
> >> - interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> >> - rohm,reset-snvs-powered;
> >> -
> >> - #clock-cells = <0>;
> >> - clocks = <&osc_32k 0>;
> >> - clock-output-names = "clk-32k-out";
> >> -
> >> - regulators {
> >> - buck1_reg: BUCK1 {
> >> - regulator-name = "buck1";
> >> - regulator-min-microvolt = <700000>;
> >> - regulator-max-microvolt = <1300000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - regulator-ramp-delay = <1250>;
> >> - };
> >> -
> >> - buck2_reg: BUCK2 {
> >> - regulator-name = "buck2";
> >> - regulator-min-microvolt = <700000>;
> >> - regulator-max-microvolt = <1300000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - regulator-ramp-delay = <1250>;
> >> - rohm,dvs-run-voltage = <1000000>;
> >> - rohm,dvs-idle-voltage = <900000>;
> >> - };
> >> -
> >> - buck3_reg: BUCK3 {
> >> - // BUCK5 in datasheet
> >> - regulator-name = "buck3";
> >> - regulator-min-microvolt = <700000>;
> >> - regulator-max-microvolt = <1350000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - buck4_reg: BUCK4 {
> >> - // BUCK6 in datasheet
> >> - regulator-name = "buck4";
> >> - regulator-min-microvolt = <3000000>;
> >> - regulator-max-microvolt = <3300000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - buck5_reg: BUCK5 {
> >> - // BUCK7 in datasheet
> >> - regulator-name = "buck5";
> >> - regulator-min-microvolt = <1605000>;
> >> - regulator-max-microvolt = <1995000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - buck6_reg: BUCK6 {
> >> - // BUCK8 in datasheet
> >> - regulator-name = "buck6";
> >> - regulator-min-microvolt = <800000>;
> >> - regulator-max-microvolt = <1400000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - ldo1_reg: LDO1 {
> >> - regulator-name = "ldo1";
> >> - regulator-min-microvolt = <1600000>;
> >> - regulator-max-microvolt = <3300000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - ldo2_reg: LDO2 {
> >> - regulator-name = "ldo2";
> >> - regulator-min-microvolt = <800000>;
> >> - regulator-max-microvolt = <900000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - ldo3_reg: LDO3 {
> >> - regulator-name = "ldo3";
> >> - regulator-min-microvolt = <1800000>;
> >> - regulator-max-microvolt = <3300000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - ldo4_reg: LDO4 {
> >> - regulator-name = "ldo4";
> >> - regulator-min-microvolt = <900000>;
> >> - regulator-max-microvolt = <1800000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> -
> >> - ldo6_reg: LDO6 {
> >> - regulator-name = "ldo6";
> >> - regulator-min-microvolt = <900000>;
> >> - regulator-max-microvolt = <1800000>;
> >> - regulator-boot-on;
> >> - regulator-always-on;
> >> - };
> >> - };
> >> - };
> >> };
> >>
> >> &i2c2 {
> >> --
> >> 2.25.1
> >>
> >>
> >>
> >
> >
>
> --
> Pengutronix e.K. | |
> Steuerwalder Str. 21 | http://www.pengutronix.de/ |
> 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
>
>
next prev parent reply other threads:[~2023-01-19 10:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 15:23 [PATCH v7 0/3] pmic on imx8mm Johannes Schneider
2023-01-10 15:23 ` [PATCH v7 1/3] arm64: dts: imx8mm-evk: move PMIC configuration Johannes Schneider
2023-01-19 9:51 ` Marco Felsch
2023-01-19 10:02 ` Ahmad Fatoum
2023-01-19 10:45 ` Marco Felsch [this message]
2023-01-10 15:23 ` [PATCH v7 2/3] arm64: dts: imx8mm-evk: add revision-B EVK Johannes Schneider
2023-01-20 19:53 ` Marco Felsch
2023-01-21 19:51 ` Krzysztof Kozlowski
2023-01-10 15:23 ` [PATCH v7 3/3] dt-bindings: arm: fsl: Add i.MX8MM-EVK rev-b Johannes Schneider
2023-01-20 19:50 ` Marco Felsch
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