Hi
On Fri, Mar 05, 2021 at 09:40:53AM +0100, Pavel Löbl wrote:
> Banana Pi P2 Zero is H2+-based board by Sinovoip internally
> similar to Banana Pi M2 Zero.
>
> It features:
> - Allwinner H2+, Quad-core Cortex-A7
> - 512MB DDR3 SDRAM
> - 8G eMMC flash
> - MicroSD card slot
> - 100M LAN
> - WiFi (AP6212) & Bluetooth onboard (SDIO + UART)
> - Micro USB OTG port
> - Micro USB connector (power only)
> - Mini HDMI
> - 40 PIN GPIO includes UART, SPI, I2C, IO etc.
> - GPIO-connected key and LED
> - CSI connector
> - IEEE 802.3af PoE standard PoE module support (optional)
>
> This adds support for v1.1 revision. There was also v1.0 available
> which has different SDcard CD polarity and Ethernet port LEDs
> disconnected in layout.
>
> Signed-off-by: Pavel Löbl <pavel@xxxxxxxx>
> ---
> .../devicetree/bindings/arm/sunxi.yaml | 5 +
> arch/arm/boot/dts/Makefile | 1 +
> .../sun8i-h2-plus-bananapi-p2-zero-v1.1.dts | 197 ++++++++++++++++++
> 3 files changed, 203 insertions(+)
> create mode 100644 arch/arm/boot/dts/sun8i-h2-plus-bananapi-p2-zero-v1.1.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml
> index 6db32fbf813f..3accfa23cbad 100644
> --- a/Documentation/devicetree/bindings/arm/sunxi.yaml
> +++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
> @@ -136,6 +136,11 @@ properties:
> - const: sinovoip,bananapi-m64
> - const: allwinner,sun50i-a64
>
> + - description: Banana Pi P2 Zero
We should mention the version in the description, and BananaPi is
written without the space in all the other boards
> + items:
> + - const: sinovoip,bpi-p2-zero-v1.1
The boards are fairly inconsistent here, but we should rather use
bananapi instead of an abbreviation.
And I guess we should also have a compatible without the version if the
two boards are similar?
> + - const: allwinner,sun8i-h2-plus
> +
> - description: BananaPro
> items:
> - const: lemaker,bananapro
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 3d1ea0b25168..26c1fd13375a 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1190,6 +1190,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
> sun8i-a83t-cubietruck-plus.dtb \
> sun8i-a83t-tbs-a711.dtb \
> sun8i-h2-plus-bananapi-m2-zero.dtb \
> + sun8i-h2-plus-bananapi-p2-zero-v1.1.dtb \
> sun8i-h2-plus-libretech-all-h3-cc.dtb \
> sun8i-h2-plus-orangepi-r1.dtb \
> sun8i-h2-plus-orangepi-zero.dtb \
> diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-p2-zero-v1.1.dts b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-p2-zero-v1.1.dts
> new file mode 100644
> index 000000000000..7297183af3af
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-p2-zero-v1.1.dts
> @@ -0,0 +1,197 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2021 Pavel Löbl <pavel@xxxxxxxx>
> + *
> + * Based on sun8i-h2-plus-bananapi-m2-zero.dts, which is:
> + * Copyright (C) 2017 Icenowy Zheng <icenowy@xxxxxxx>
> + */
> +
> +/dts-v1/;
> +#include "sun8i-h3.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> + model = "Banana Pi BPI-P2-Zero v1.1";
> + compatible = "sinovoip,bpi-p2-zero-v1.1", "allwinner,sun8i-h2-plus";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led {
> + function = LED_FUNCTION_POWER;
> + color = <LED_COLOR_ID_RED>;
> + gpios = <&r_pio 0 10 GPIO_ACTIVE_LOW>; /* PL10 */
> + default-state = "on";
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + power {
> + label = "power";
iirc if there's no label it will use the node name (which is the same
here).
Maxime
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