Re: [PATCH 2/3] arm64: dts: allwinner: Add support for PinePhone revision 1.2

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Hi,

On Fri, Jul 03, 2020 at 09:48:41PM +0200, Ondrej Jirman wrote:
> Revision 1.2 should be the final production version of the PinePhone.
> It has most of the known HW quirks fixed.
> 
> Interrupt to the magnetometer is routed correctly, in this revision.
> 
> The bulk of the changes are in how modem and the USB-C HDMI bridge
> chip is powered and where the signals from the modem are connected.
> 
> Also backlight intensity seemingly behaves differently, than on the
> 1.1 and 1.0 boards, and the PWM duty cycle where backlight starts
> to work is 10% (as tested on 2 1.2 PinePhones I have access to).
> 
> Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/allwinner/Makefile        |  1 +
>  .../allwinner/sun50i-a64-pinephone-1.2.dts    | 40 +++++++++++++++++++
>  .../dts/allwinner/sun50i-a64-pinephone.dtsi   |  2 +-
>  3 files changed, 42 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts
> 
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index e4d3cd0ac5bb..916d10d5b87c 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinebook.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.0.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.1.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.2.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts
> new file mode 100644
> index 000000000000..a9f5b670c9b8
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts
> @@ -0,0 +1,40 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +// Copyright (C) 2020 Ondrej Jirman <megous@xxxxxxxxxx>
> +
> +/dts-v1/;
> +
> +#include "sun50i-a64-pinephone.dtsi"
> +
> +/ {
> +	model = "Pine64 PinePhone (1.2)";
> +	compatible = "pine64,pinephone-1.2", "allwinner,sun50i-a64";
> +};
> +
> +&backlight {
> +	power-supply = <&reg_ldo_io0>;
> +	/*
> +	 * PWM backlight circuit on this PinePhone revision was changed since 1.0,
> +	 * and the lowest PWM duty cycle that doesn't lead to backlight being off
> +	 * is around 10%. Duty cycle for the lowest brightness level also varries
> +	 * quite a bit between individual boards, so the lowest value here was
> +	 * chosen as a safe default.
> +	 */
> +	brightness-levels = <
> +		5000 5248 5506 5858 6345
> +		6987 7805 8823 10062 11543
> +		13287 15317 17654 20319 23336
> +		26724 30505 34702 39335 44427
> +		50000
> +	>;
> +	num-interpolated-steps = <50>;
> +	default-brightness-level = <500>;
> +};
> +
> +&lis3mdl {
> +	/*
> +	 * Board revision 1.2 fixed routing of the interrupt to DRDY pin,
> +	 * enable interrupts.
> +	 */
> +	interrupt-parent = <&pio>;
> +	interrupts = <1 1 IRQ_TYPE_EDGE_RISING>; /* PB1 */
> +};
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> index a3b400ff972b..904122711a89 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> @@ -142,7 +142,7 @@ &i2c1 {
>  	status = "okay";
>  
>  	/* Magnetometer */
> -	lis3mdl@1e {
> +	lis3mdl: lis3mdl@1e {

I just applied all three patches, but the node name here is wrong and
should be the class of the device.

Can you send a follow-up patch renaming the node name to magnetometer?

Thanks!
Maxime

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