linux-kernel - Re: [PATCH v2 2/2] arm64: dts: ti: k3-am625-sk: Enable on board peripherals

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Date:   Sat, 23 Apr 2022 12:32:53 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vignesh Raghavendra <vigneshr@...com>, Nishanth Menon <nm@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Aswath Govindraju <a-govindraju@...com>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: Re: [PATCH v2 2/2] arm64: dts: ti: k3-am625-sk: Enable on board
 peripherals

On 22/04/2022 08:50, Vignesh Raghavendra wrote:
> Add nodes for I2C IO expander, OSPI Flash, Eth PHYs, SD and eMMC that
> are present on AM625 SK board.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
> Reviewed-by: Bryan Brattlof <bb@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-am625-sk.dts | 273 +++++++++++++++++++++++++
>  1 file changed, 273 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> index 0de4113ccd5de..5fc35898a1e2e 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> @@ -9,6 +9,7 @@
>  
>  #include <dt-bindings/leds/common.h>
>  #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/net/ti-dp83867.h>
>  #include "k3-am625.dtsi"
>  
>  / {
> @@ -17,6 +18,12 @@ / {
>  
>  	aliases {
>  		serial2 = &main_uart0;
> +		mmc0 = &sdhci0;
> +		mmc1 = &sdhci1;
> +		mmc2 = &sdhci2;
> +		spi0 = &ospi0;
> +		ethernet0 = &cpsw_port1;
> +		ethernet1 = &cpsw_port2;
>  	};
>  
>  	chosen {
> @@ -87,6 +94,33 @@ vcc_3v3_sys: regulator-2 {
>  		regulator-boot-on;
>  	};
>  
> +	vdd_mmc1: fixed-regulator-sd {

Don't encode the type of binding into node name. Node name should be
generic, so either regulator-0 or regulator-sd.

> +		/* TPS22918DBVR */
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd_mmc1";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-boot-on;
> +		enable-active-high;
> +		vin-supply = <&vcc_3v3_sys>;
> +		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	vdd_sd_dv: gpio-regulator-TLV71033 {

The same + do not mix cases, so regulator-1 or regulator-tlv71033


Best regards,
Krzysztof