On 03/08/23 02:23, Andrew Davis wrote:
> OSPI nodes defined in the top-level J7200 SoC dtsi files are incomplete
> and may not be functional unless they are extended with pinmux and
> device information.
>
> As the attached OSPI device is only known about at the board integration
> level, these nodes should only be enabled when provided with this
> information.
Agree
>
> Disable the OSPI nodes in the dtsi files and only enable the ones that
> are actually pinned out on a given board.
>
> Signed-off-by: Andrew Davis <afd@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 1 +
> arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> index ee7860913c387..571eb0e2eac92 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> @@ -544,6 +544,7 @@ ospi0: spi@47040000 {
> power-domains = <&k3_pds 103 TI_SCI_PD_EXCLUSIVE>;
> #address-cells = <1>;
> #size-cells = <0>;
> + status = "disabled";
> };
> };
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
> index b37f4f88ece4f..5a300d4c8ba03 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
> @@ -267,6 +267,7 @@ eeprom@50 {
> };
>
> &ospi0 {
> + status = "okay";
Reviewed-by: Dhruva Gole <d-gole@ti.com>
> pinctrl-names = "default";
> pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
>
--
Thanks and Regards,
Dhruva Gole