Messages in this thread | | | Date | Thu, 3 Mar 2022 14:09:17 +0100 | Subject | Re: [Linux-stm32] [PATCH v2 12/13] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP13 | From | Gabriel FERNANDEZ <> |
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On 2/25/22 16:13, Ahmad Fatoum wrote: > Hello Gabriel, > > On 25.02.22 14:31, gabriel.fernandez@foss.st.com wrote: >> From: Gabriel Fernandez <gabriel.fernandez@foss.st.com> >> >> Enable optee and SCMI clocks support. >> >> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> >> --- >> 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>; >
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