Hi Marcin,
On 2024-08-22 15:32, Marcin Juszkiewicz wrote:
> FriendlyELEC NanoPC-T6 has IR receiver connected to PWM3_IR_M0 line
> which ends as GPIO0_D4.
>
> Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
> index 292022a56332..fcea11ff2af2 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
> @@ -25,6 +25,11 @@ chosen {
> stdout-path = "serial2:1500000n8";
> };
>
> + ir-receiver {
> + compatible = "gpio-ir-receiver";
> + gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_LOW>;
I would expect to see pinctrl here that configure pin for gpio func use.
> + };
> +
> leds {
> compatible = "gpio-leds";
>
> @@ -228,7 +233,7 @@ &gpio0 {
> "HEADER_10", "HEADER_08", "HEADER_32", "",
> /* GPIO0 D0-D7 */
> "", "", "", "",
> - "", "", "", "";
> + "IR receiver [PWM3_IR_M0]", "", "", "";
> };
>
> &gpio1 {
> @@ -530,6 +535,13 @@ &pwm1 {
> status = "okay";
> };
>
> +/* Connected to IR Receiver */
> +&pwm3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm3m0_pins>;
> + status = "okay";
> +};
Is this really needed/correct? A pinctrl for gpio func in ir-receiver
node should be enough for the ir-receiver?
Regards,
Jonas
> +
> &saradc {
> vref-supply = <&avcc_1v8_s0>;
> status = "okay";
>
