On 11/10/2023 20:48, Peter Griffin wrote:
> Google gs101 SoC is ARMv8 mobile SoC found in the Pixel 6,
> (oriole) Pixel 6a (bluejay) and Pixel 6 pro (raven) mobile
> phones. It features:
> * 4xA55 little cluster
> * 2xA76 Mid cluster
> * 2xX1 Big cluster
>
...
> + gpa10: gpa10-gpio-bank {
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + uart15_bus: uart15-bus-pins {
> + samsung,pins = "gpa2-3", "gpa2-4";
> + samsung,pin-function = <2>;
GS101_PIN_FUNC_2
> + samsung,pin-pud = <0>;
GS101_PIN_PULL_NONE
> + };
> +
> + uart16_bus: uart16-bus-pins {
> + samsung,pins = "gpa3-0", "gpa3-1", "gpa3-2", "gpa3-3";
> + samsung,pin-function = <GS101_PIN_FUNC_2>;
> + samsung,pin-pud = <GS101_PIN_PULL_NONE>;
But here it is correct...
> + };
> +
> + uart16_bus_rts: uart1-bus-rts-pins {
> + samsung,pins = "gpa3-2";
> + samsung,pin-function = <GS101_PIN_FUNC_OUTPUT>;
> + samsung,pin-pud = <GS101_PIN_PULL_NONE>;
> + samsung,pin-val = <1>;
Why do you set UART RTS pin value?
> + };
> +
> + uart16_bus_tx_dat: uart1-bus-tx-dat-pins {
> + samsung,pins = "gpa3-1";
> + samsung,pin-val = <1>;
> + };
> +
Best regards,
Krzysztof
