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SubjectRe: [PATCH] ARM: dts: sun8i-h3: Add support for the RerVision H3-DVK board
On Thu, Mar 14, 2019 at 02:06:56PM +0100, Paul Kocialkowski wrote:
> This is an H3-based board that sticks close to the reference design.
>
> Supported features:
> * UART
> * DRAM
> * MMC
> * eMMC
> * Ethernet
> * USB host
> * USB peripheral
> * HDMI
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/sun8i-h3-rervision-dvk.dts | 119 +++++++++++++++++++
> 2 files changed, 120 insertions(+)
> create mode 100644 arch/arm/boot/dts/sun8i-h3-rervision-dvk.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index bd40148a15b2..8db275b75214 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1078,6 +1078,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
> sun8i-h3-orangepi-plus.dtb \
> sun8i-h3-orangepi-plus2e.dtb \
> sun8i-h3-orangepi-zero-plus2.dtb \
> + sun8i-h3-rervision-dvk.dtb \
> sun8i-r16-bananapi-m2m.dtb \
> sun8i-r16-nintendo-nes-classic.dtb \
> sun8i-r16-nintendo-super-nes-classic.dtb \
> diff --git a/arch/arm/boot/dts/sun8i-h3-rervision-dvk.dts b/arch/arm/boot/dts/sun8i-h3-rervision-dvk.dts
> new file mode 100644
> index 000000000000..94b71e064eb6
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-h3-rervision-dvk.dts
> @@ -0,0 +1,119 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2019 Bootlin
> + * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
> + */
> +
> +/dts-v1/;
> +#include "sun8i-h3.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + model = "RerVision H3-DVK";
> + compatible = "rervision,h3-dvk", "allwinner,sun8i-h3";
> +
> + aliases {
> + ethernet0 = &emac;
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + connector {
> + compatible = "hdmi-connector";
> + type = "a";
> +
> + port {
> + hdmi_connector_input: endpoint {
> + remote-endpoint = <&hdmi_connector_output>;

Those are pretty long labels, how would you feel about hdmi_con_in and
hdmi_out_con, as we've used on all the other boards?

> +&mmc2_8bit_pins {
> + drive-strength = <40>;
> + bias-pull-up;
> +};

bias-pull-up is already set by default, and a 30mA drive strength
should cover what the spec asks for. Did you encounter any issue with
this?

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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