On 11:05-20240822, Bhavya Kapoor wrote:
> main_uart5 in J722S platform is used by the firmware. Thus,
what platform? what firmware?
> describe it for completeness, adding the pinmux and mark
> it as reserved.
>
> Signed-off-by: Bhavya Kapoor <b-kapoor@xxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> index 24e9f2ea509b..5addf1c0afc2 100644
> --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> @@ -20,6 +20,7 @@ / {
> aliases {
> serial0 = &wkup_uart0;
> serial2 = &main_uart0;
> + serial3 = &main_uart5;
> mmc0 = &sdhci0;
> mmc1 = &sdhci1;
> };
> @@ -211,6 +212,13 @@ J722S_IOPAD(0x01cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */
> bootph-all;
> };
>
> + main_uart5_pins_default: main-uart5-default-pins {
> + pinctrl-single,pins = <
> + J722S_IOPAD(0x0108, PIN_INPUT, 3) /* (J27) UART5_RXD */
> + J722S_IOPAD(0x010c, PIN_OUTPUT, 3) /* (H27) UART5_TXD */
> + >;
> + };
> +
> vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
> pinctrl-single,pins = <
> J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */
> @@ -330,6 +338,12 @@ &main_uart0 {
> bootph-all;
> };
>
> +&main_uart5 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_uart5_pins_default>;
Document specifically why reserved.
> + status = "reserved";
> +};
> +
> &mcu_pmx0 {
>
> mcu_mcan0_pins_default: mcu-mcan0-default-pins {
> --
> 2.34.1
>
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
