linux-kernel - Re: [PATCH v2] arm64: dts: qcom: Add Dragonboard 845c

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Date:   Thu, 6 Jun 2019 11:48:57 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        David Brown <david.brown@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: Add Dragonboard 845c

On 05-06-19, 21:38, Bjorn Andersson wrote:
> This adds an initial dts for the Dragonboard 845. Supported
> functionality includes Debug UART, UFS, USB-C (peripheral), USB-A
> (host), microSD-card and Bluetooth.
> 
> Initializing the SMMU is clearing the mapping used for the splash screen
> framebuffer, which causes the board to reboot. This can be worked around
> using:
> 
>   fastboot oem select-display-panel none

I was able to boot db845c on v5.2-rc1 with this patch :)
 
I found some nits, nevertheless this looks good, so:
 
Tested-by: Vinod Koul <vkoul@...nel.org>
Reviewed-by: Vinod Koul <vkoul@...nel.org>

> +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> @@ -0,0 +1,556 @@
> +// SPDX-License-Identifier: GPL-2.0

No copyright?

> +	pcie0_3p3v_dual: vldo-3v3-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VLDO_3V3";
> +
> +		vin-supply = <&vbat>;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 90 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pcie0_pwren_state>;
> +	};
> +
> +	gpio_keys {

Rest of this file is sorted but this isn't, so this should be after dc12v

> +		compatible = "gpio-keys";
> +		#address-cells = <1>;

does this require address cell, we don't have range property here?

> +		#size-cells = <0>;
> +		autorepeat;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&vol_up_pin_a>;
> +
> +		vol-up {
> +			label = "Volume Up";
> +			linux,code = <KEY_VOLUMEUP>;
> +			gpios = <&pm8998_gpio 6 GPIO_ACTIVE_LOW>;
> +		};
> +	};
> +
> +	leds {

This one as well..

-- 
~Vinod