linux-kernel - Re: [PATCH 01/13] arm64: dts: freescale: imx93-phycore-som: Add PMIC support

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Message-ID: <Z/fbUAc94+lzOW/0@lizhi-Precision-Tower-5810>
Date: Thu, 10 Apr 2025 10:53:04 -0400
From: Frank Li <Frank.li@....com>
To: Primoz Fiser <primoz.fiser@...ik.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, upstream@...ts.phytec.de
Subject: Re: [PATCH 01/13] arm64: dts: freescale: imx93-phycore-som: Add PMIC
 support

On Thu, Apr 10, 2025 at 11:02:39AM +0200, Primoz Fiser wrote:
> PMIC driver for PCA9451A used on phyCORE-i.MX93 SOM is available since
> commit 5edeb7d31262 ("regulator: pca9450: add pca9451a support"). Add
> support for it in the SOM device-tree.
>
> Signed-off-by: Primoz Fiser <primoz.fiser@...ik.com>
> ---

Reviewed-by: Frank Li <Frank.Li@....com>

>  .../boot/dts/freescale/imx93-phycore-som.dtsi | 97 +++++++++++++++++++
>  1 file changed, 97 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
> index 88c2657b50e6..507a71f9294b 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
> @@ -72,6 +72,90 @@ ethphy1: ethernet-phy@1 {
>  	};
>  };
>
> +/* I2C3 */
> +&lpi2c3 {
> +	clock-frequency = <400000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c3>;
> +	status = "okay";
> +
> +	pmic@25 {
> +		compatible = "nxp,pca9451a";
> +		reg = <0x25>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pmic>;
> +		interrupt-parent = <&gpio4>;
> +		interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
> +
> +		regulators {
> +			buck1: BUCK1 {
> +				regulator-name = "VDD_SOC";
> +				regulator-min-microvolt = <610000>;
> +				regulator-max-microvolt = <950000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <3125>;
> +			};
> +
> +			buck2: BUCK2 {
> +				regulator-name = "VDDQ_0V6";
> +				regulator-min-microvolt = <600000>;
> +				regulator-max-microvolt = <600000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			buck4: BUCK4 {
> +				regulator-name = "VDD_3V3_BUCK";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			buck5: BUCK5 {
> +				regulator-name = "VDD_1V8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			buck6: BUCK6 {
> +				regulator-name = "VDD_1V1";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo1: LDO1 {
> +				regulator-name = "PMIC_SNVS_1V8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo4: LDO4 {
> +				regulator-name = "VDD_0V8";
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldo5: LDO5 {
> +				regulator-name = "NVCC_SD2";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +		};
> +	};
> +};
> +
>  /* eMMC */
>  &usdhc1 {
>  	pinctrl-names = "default";
> @@ -108,6 +192,19 @@ MX93_PAD_I2C1_SDA__GPIO1_IO01		0x31e
>  		>;
>  	};
>
> +	pinctrl_lpi2c3: lpi2c3grp {
> +		fsl,pins = <
> +			MX93_PAD_GPIO_IO28__LPI2C3_SDA		0x40000b9e
> +			MX93_PAD_GPIO_IO29__LPI2C3_SCL		0x40000b9e
> +		>;
> +	};
> +
> +	pinctrl_pmic: pmicgrp {
> +		fsl,pins = <
> +			MX93_PAD_ENET2_RD3__GPIO4_IO27		0x31e
> +		>;
> +	};
> +
>  	pinctrl_usdhc1: usdhc1grp {
>  		fsl,pins = <
>  			MX93_PAD_SD1_CLK__USDHC1_CLK		0x179e
> --
> 2.34.1
>