On Tue, Aug 19, 2025 at 04:40:14PM +0100, Peter Robinson wrote:
> The Nano's SPI flash stopped working in U-Boot, as the
> prior stage loaded U-Boot, the only thing it was used
> for was save/loading env vars so update the DT so it
> can now initialise it. It also drops enabling the old
> TEGRA114_SPI driver, as the flash hangs off the faster
> TEGRA210_QSPI interface, nothing on the Nano uses the
> old interface by default so it's surplus.
>
> Signed-off-by: Peter Robinson <pbrobin...@gmail.com>
> ---
> arch/arm/dts/tegra210-p3450-0000.dts | 9 ++++++++-
> arch/arm/dts/tegra210.dtsi | 6 +++---
> configs/p3450-0000_defconfig | 1 -
> 3 files changed, 11 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/dts/tegra210-p3450-0000.dts
> b/arch/arm/dts/tegra210-p3450-0000.dts
> index 9ef744ac8b0..ddeeb232de2 100644
> --- a/arch/arm/dts/tegra210-p3450-0000.dts
> +++ b/arch/arm/dts/tegra210-p3450-0000.dts
> @@ -124,7 +124,14 @@
>
> spi@70410000 {
> status = "okay";
> - spi-max-frequency = <80000000>;
> +
> + flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <104000000>;
> + spi-tx-bus-width = <2>;
> + spi-rx-bus-width = <2>;
> + };
> };
>
> usb@7d000000 {
> diff --git a/arch/arm/dts/tegra210.dtsi b/arch/arm/dts/tegra210.dtsi
> index 28ecd2b467a..6dd8fe26c38 100644
> --- a/arch/arm/dts/tegra210.dtsi
> +++ b/arch/arm/dts/tegra210.dtsi
> @@ -762,10 +762,10 @@
> interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> #address-cells = <1>;
> #size-cells = <0>;
> - clocks = <&tegra_car TEGRA210_CLK_QSPI>;
> - clock-names = "qspi";
> + clocks = <&tegra_car TEGRA210_CLK_QSPI>,
> + <&tegra_car TEGRA210_CLK_QSPI_PM>;Nit: We usually indent so that subsequent lines align with the first, so an extra space would be required here. I don't feel strongly about it, though, so no need to resend just for this. Acked-by: Thierry Reding <tred...@nvidia.com>
signature.asc
Description: PGP signature
