On Thu, 08 Feb 2024 16:39:54 +0100, Farouk Bouabid wrote:
> On the boards that we are using (ringneck/puma-haikou) a hardware switch
> can set the rs485 transceiver into half or full duplex mode.
>
> In half-duplex mode the DE/RE signal of the rs485 transceiver is not
> connected to an RTS signal whose control is already handled in the rs485
> emulation (start/stop callbacks), but rather to a gpio. And since enabling
> the receiver requires setting this gpio active we need to do that in em485
> while receiving and disable it while sending to enable the driver mode.
>
> [...]
Applied, thanks!
[1/2] arm64: dts: rockchip: rk3399-puma-haikou: add rs485 support on uart2
commit: 54448f711aa32f176534bbd7b1903cc6d1c8a50d
[2/2] arm64: dts: rockchip: px30-ringneck-haikou: add rs485 support on uart5
commit: 5963d97aa780619ffb66cf4886c0ca1175ccbd3e
Best regards,
--
Heiko Stuebner <heiko@xxxxxxxxx>
