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

Neil Armstrong neil.armstrong at linaro.org
Mon Mar 6 23:58:51 PST 2023


On 06/03/2023 23:11, Martin Blumenstingl wrote:
> 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:

I'll fix those while applying


> 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.

I'll send a follow-up

> 
> 
> Best regards,
> Martin

Thanks !
Neil



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