Hello Gabriel,
On 25.02.22 14:31, gabriel.fernandez@xxxxxxxxxxx wrote:
> From: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>
>
> Enable optee and SCMI clocks support.
>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/stm32mp131.dtsi | 37 +++++++++++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
> index 262de4eeb4ed..78eac53224d4 100644
> --- a/arch/arm/boot/dts/stm32mp131.dtsi
> +++ b/arch/arm/boot/dts/stm32mp131.dtsi
> @@ -27,6 +27,43 @@ arm-pmu {
> interrupt-parent = <&intc>;
> };
>
> + scmi_sram: sram@2ffff000 {
> + compatible = "mmio-sram";
> + reg = <0x2ffff000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x2ffff000 0x1000>;
> +
> + scmi_shm: scmi_shm@0 {
> + compatible = "arm,scmi-shmem";
> + reg = <0 0x80>;
> + };
> + };
> +
> + firmware {
> + optee {
> + method = "smc";
> + compatible = "linaro,optee-tz";
> + };
> +
> + scmi: scmi {
> + compatible = "linaro,scmi-optee";
This compatible doesn't seem to be documented upstream. I am looking at v5.17-rc5.
Do you have a reference detailing the difference between this conduit and
plain arm,scmi-smc (as used with TF-A on the STM32MP151).
Cheers,
Ahmad
> + #address-cells = <1>;
> + #size-cells = <0>;
> + linaro,optee-channel-id = <0>;
> + shmem = <&scmi_shm>;
> +
> + scmi_clk: protocol@14 {
> + reg = <0x14>;
> + #clock-cells = <1>;
> + };
> +
> + scmi_reset: protocol@16 {
> + reg = <0x16>;
> + #reset-cells = <1>;
> + };
> + };
> + };
> clocks {
> clk_axi: clk-axi {
> #clock-cells = <0>;
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