[PATCH v2 2/2] arm64: dts: amlogic: Add initial support for BPI-CM4 module with BPI-CM4IO baseboard

Martin Blumenstingl martin.blumenstingl at googlemail.com
Mon Mar 6 14:11:53 PST 2023


Hi Neil,

On Mon, Mar 6, 2023 at 9:31 AM Neil Armstrong <neil.armstrong at linaro.org> wrote:
>
> Add support for both the BananaPi BPI-CM4 module and the BananaPi
> baseboard which is comnpatible with the RaspberryPi CM4IO baseboard.
s/comnpatible/compatible/

>
> The BananaPi BPI-CM4 module follows the CM4 specifications at [1],
> but with a single HDMI port and a since DSI output.
s/since/single/

>
> The current CM4IO baseboard DT should work fine on the Raspberry CM4
> baseboard and other derivatives baseboards, but proper DT should
> be written for other baseboards.
>
> The split is done so it's easy to describe a new CM4 baseboard, enabling
> only the necessary HW used on the baseboard.
>
> [1] https://datasheets.raspberrypi.com/cm4io/cm4io-datasheet.pdf
>
> Tested-by: Christian Hewitt <christianshewitt at gmail.com>
> Signed-off-by: Neil Armstrong <neil.armstrong at linaro.org>
With the typos above fixed:
Reviewed-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>

[...]
> +&ext_mdio {
> +       external_phy: ethernet-phy at 0 {
> +               /* Realtek RTL8211F (0x001cc916) */
> +               reg = <0>;
> +               max-speed = <1000>;
> +
> +               interrupt-parent = <&gpio_intc>;
> +               /* MAC_INTR on GPIOZ_14 */
> +               interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
It would be great to have the reset GPIO (GPIOZ_15) described as well.
But this can be done in a follow-up patch.


Best regards,
Martin



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