linux-kernel - Re: [PATCH v2 2/7] arm64: dts: rockchip: px30: Add Engicam EDIMM2.2 Starter Kit

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Message-ID: <25b87188-bd06-90da-b2ce-bbfdb716e00a@gmail.com>
Date:   Sat, 29 Aug 2020 22:31:40 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     Jagan Teki <jagan@...rulasolutions.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Suniel Mahesh <sunil@...rulasolutions.com>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-amarula <linux-amarula@...rulasolutions.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/7] arm64: dts: rockchip: px30: Add Engicam EDIMM2.2
 Starter Kit

Hi Jagan,

On 8/29/20 5:58 PM, Jagan Teki wrote:
> Engicam EDIMM2.2 Starter Kit is an EDIMM 2.2 Form Factor Capacitive
> Evaluation Board.
> 
> Genaral features:
> - LCD 7" C.Touch
> - microSD slot
> - Ethernet 1Gb
> - Wifi/BT
> - 2x LVDS Full HD interfaces
> - 3x USB 2.0
> - 1x USB 3.0
> - HDMI Out
> - Mini PCIe
> - MIPI CSI
> - 2x CAN
> - Audio Out
> 
> SOM's like PX30.Core needs to mount on top of this Evaluation board
> for creating complete PX30.Core EDIMM2.2 Starter Kit.
> 
> Add support for it.
> 
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
> Changes for v2:
> - move carrier enablement nodes in carrier dtsi
> 
>  .../dts/rockchip/px30-engicam-common.dtsi     | 39 +++++++++++++++++++
>  .../dts/rockchip/px30-engicam-edimm2.2.dtsi   |  7 ++++
>  2 files changed, 46 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi
>  create mode 100644 arch/arm64/boot/dts/rockchip/px30-engicam-edimm2.2.dtsi
> 
> diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi
> new file mode 100644
> index 000000000000..4e85c1a690e5
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi
> @@ -0,0 +1,39 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Engicam srl
> + * Copyright (c) 2020 Amarula Solutions(India)
> + */
> +
> +/ {
> +	vcc5v0_sys: vcc5v0-sys {
> +		compatible = "regulator-fixed";

Just one of the exceptions to the sort rule...

		regulator-name = "vcc5v0_sys";	/* +5V */

> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;

> +		regulator-name = "vcc5v0_sys";	/* +5V */

Move on top of the other regulator properties.
Same goes for the regulators in px30-px30-core.dtsi.

> +	};
> +};
> +
> +&gmac {
> +	clock_in_out = "output";
> +	phy-supply = <&vcc_3v3>;	/* +3V3_SOM */
> +	snps,reset-active-low;
> +	snps,reset-delays-us = <0 50000 50000>;
> +	snps,reset-gpio = <&gpio2 RK_PB5 GPIO_ACTIVE_HIGH>;
> +	status = "okay";
> +};
> +
> +&sdmmc {

> +	cap-mmc-highspeed;

Remove.
Board only has a micro-SD card.

> +	cap-sd-highspeed;
> +	card-detect-delay = <800>;

> +	vqmmc-supply = <&vcc_3v3>;
> +	vmmc-supply = <&vcc_3v3>;	/* +3V3_SOM */

sort

> +	status = "okay";
> +};
> +
> +&uart2 {
> +	pinctrl-0 = <&uart2m1_xfer>;
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-edimm2.2.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-edimm2.2.dtsi
> new file mode 100644
> index 000000000000..cb00988953e9
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-edimm2.2.dtsi
> @@ -0,0 +1,7 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Engicam srl
> + * Copyright (c) 2020 Amarula Solutions(India)
> + */
> +
> +#include "px30-engicam-common.dtsi"
>