linux-kernel - Re: [PATCH v8 5/7] arm64: dts: ti: k3-am69-sk: Add support for TPS6594 PMIC

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Message-ID: <20231201102645.u3embsudo55vm6pi@ula0497581>
Date:   Fri, 1 Dec 2023 15:56:45 +0530
From:   Manorit Chawdhry <m-chawdhry@...com>
To:     Neha Malcom Francis <n-francis@...com>
CC:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <a-nandan@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <eblanc@...libre.com>, <jneanne@...libre.com>,
        <aseketeli@...libre.com>, <jpanis@...libre.com>, <u-kumar1@...com>,
        <j-luthra@...com>, <vaishnav.a@...com>, <hnagalla@...com>,
        <devarsht@...com>
Subject: Re: [PATCH v8 5/7] arm64: dts: ti: k3-am69-sk: Add support for
 TPS6594 PMIC

Hi Neha,

On 11:22-20231128, Neha Malcom Francis wrote:
> This patch adds support for TPS6594 PMIC on wkup I2C0 bus. This device
> provides regulators (bucks and LDOs), but also GPIOs, a RTC, a watchdog,
> an ESM (Error Signal Monitor) which monitors the SoC error output
> signal, and a PFSM (Pre-configurable Finite State Machine) which manages
> the operational modes of the PMIC.
> 
> Signed-off-by: Neha Malcom Francis <n-francis@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-am69-sk.dts | 100 ++++++++++++++++++++++++++
>  1 file changed, 100 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> index 9868c7049bfb..dec27acb4e96 100644
> --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> @@ -431,6 +431,17 @@ J784S4_IOPAD(0x000, PIN_INPUT, 7) /* (AN35) EXTINTN.GPIO0_0 */
>  	};
>  };
>  
> +&wkup_pmx1 {
> +	status = "okay";
> +
> +	pmic_irq_pins_default: pmic-irq-default-pins {
> +		pinctrl-single,pins = <
> +			/* (AA37) MCU_ADC1_AIN4.WKUP_GPIO0_83 */
> +			J784S4_WKUP_IOPAD(0x12c, PIN_INPUT, 7)
> +		>;
> +	};
> +};
> +
>  &wkup_pmx2 {
>  	bootph-all;
>  	wkup_uart0_pins_default: wkup-uart0-default-pins {
> @@ -631,6 +642,95 @@ eeprom@51 {
>  		compatible = "atmel,24c512";
>  		reg = <0x51>;
>  	};
> +
> +	tps659413: pmic@48 {
> +		compatible = "ti,tps6594-q1";
> +		reg = <0x48>;
> +		system-power-controller;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pmic_irq_pins_default>;
> +		interrupt-parent = <&wkup_gpio0>;
> +		interrupts = <39 IRQ_TYPE_EDGE_FALLING>;
> +		ti,primary-pmic;
> +
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		buck12-supply = <&vsys_3v3>;
> +		buck3-supply = <&vsys_3v3>;
> +		buck4-supply = <&vsys_3v3>;
> +		buck5-supply = <&vsys_3v3>;
> +		ldo1-supply = <&vsys_3v3>;
> +		ldo2-supply = <&vsys_3v3>;
> +		ldo3-supply = <&vsys_3v3>;
> +		ldo4-supply = <&vsys_3v3>;
> +
> +		regulators {
> +			bucka12: buck12 {
> +				regulator-name = "vdd_ddr_1v1";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			bucka3: buck3 {
> +				regulator-name = "vdd_ram_0v85";
> +				regulator-min-microvolt = <850000>;
> +				regulator-max-microvolt = <850000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			bucka4: buck4 {
> +				regulator-name = "vdd_io_1v8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			bucka5: buck5 {
> +				regulator-name = "vdd_mcu_0v85";
> +				regulator-min-microvolt = <850000>;
> +				regulator-max-microvolt = <850000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldoa1: ldo1 {
> +				regulator-name = "vdd_mcuio_1v8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldoa2: ldo2 {
> +				regulator-name = "vdd_mcuio_3v3";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldoa3: ldo3 {
> +				regulator-name = "vds_dll_0v8";
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			ldoa4: ldo4 {
> +				regulator-name = "vda_mcu_1v8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +		};
> +	};
>  };
>  

With the full series applied:
https://gist.github.com/manorit2001/7e794a7cbf58af4d7fbbee03eac88e86

[ For AM69-SK ]
Tested-by: Manorit Chawdhry <m-chawdhry@...com>

Regards,
Manorit

>  &wkup_gpio0 {
> -- 
> 2.34.1
>