On 2/25/22 16:13, Ahmad Fatoum wrote:
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
Hi Ahmad, it's on going. https://lore.kernel.org/linux-arm-kernel/20211029102118.GG6526@e120937-lin/T/#mf46c83f0aadce3061ee93fa22159405f38d881a0
+ #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>;
