linux-kernel - Re: [PATCH v2 3/5] arm64: dts: ti: k3-j721e-som-p0: Add TP6594 family PMICs

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Date:   Fri, 14 Apr 2023 13:34:04 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Esteban Blanc <eblanc@...libre.com>, nm@...com, vigneshr@...com,
        kristo@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, sterzik@...com, u-kumar1@...com,
        jneanne@...libre.com, jpanis@...libre.com, aseketeli@...libre.com
Subject: Re: [PATCH v2 3/5] arm64: dts: ti: k3-j721e-som-p0: Add TP6594 family
 PMICs

On 14/04/2023 13:28, Esteban Blanc wrote:
> From: Jerome Neanne <jneanne@...libre.com>
> 
> This patch adds support for TPS6594 PMIC family on wakup I2C0 bus.
> Theses devices 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: Jerome Neanne <jneanne@...libre.com>
> Signed-off-by: Esteban Blanc <eblanc@...libre.com>
> ---
>  arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi | 171 ++++++++++++++++++++
>  1 file changed, 171 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
> index e289d5b44356..a9511e82478a 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
> @@ -150,6 +150,12 @@ J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
>  		>;
>  	};
>  
> +	pmic_irq_pins_default: pmic-irq-pins-default {
> +		pinctrl-single,pins = <
> +			J721E_WKUP_IOPAD(0xd4, PIN_INPUT, 7) /* (G26) WKUP_GPIO0_9 */
> +		>;
> +	};
> +
>  	mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins-default {
>  		pinctrl-single,pins = <
>  			J721E_WKUP_IOPAD(0x0000, PIN_OUTPUT, 0) /* MCU_OSPI0_CLK */
> @@ -308,3 +314,168 @@ &c71_0 {
>  	memory-region = <&c71_0_dma_memory_region>,
>  			<&c71_0_memory_region>;
>  };
> +
> +&wkup_i2c0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&wkup_i2c0_pins_default>;
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	tps659413: tps659413@48 {

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

Same everywhere else.

Best regards,
Krzysztof