On Thu, Feb 28, 2019 at 11:29:37PM -0600, Samuel Holland wrote: > This series adds support for the "hardware message box" in sun8i, sun9i, > and sun50i SoCs, used for communication with the ARISC management > processor (the platform's equivalent of the ARM SCP). The end goal is to > use the arm_scpi driver as a client, communicating with firmware running > on the ARISC CPU, or to use the mailbox to forward NMIs that the > firmware picks up from R_INTC. > > Changes from v1: > - Marked message box clocks as critical instead of hacks in the driver > - 8 unidirectional channels instead of 4 bidirectional pairs > - Use per-SoC compatible strings and an A31 fallback compatible > - Dropped the mailbox framework patch > - Include DT patches for SoCs that document the message box > > Samuel Holland (10): > clk: sunxi-ng: sun8i: Mark the msgbox clock as critical > clk: sunxi-ng: sun9i: Mark the msgbox clock as critical > clk: sunxi-ng: sun50i: Mark the msgbox clock as critical > dt-bindings: mailbox: Add a sunxi message box binding > mailbox: sunxi-msgbox: Add a new mailbox driver > ARM: dts: sunxi: a80: Add msgbox node > ARM: dts: sunxi: a83t: Add msgbox node > ARM: dts: sunxi: h3/h5: Add msgbox node > arm64: dts: allwinner: a64: Add msgbox node > arm64: dts: allwinner: h6: Add msgbox node > > .../bindings/mailbox/sunxi-msgbox.txt | 44 +++ > arch/arm/boot/dts/sun8i-a83t.dtsi | 10 + > arch/arm/boot/dts/sun9i-a80.dtsi | 10 + > arch/arm/boot/dts/sunxi-h3-h5.dtsi | 10 + > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 + > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 10 + > drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 +- > drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 2 +- > drivers/clk/sunxi-ng/ccu-sun8i-a23.c | 2 +- > drivers/clk/sunxi-ng/ccu-sun8i-a33.c | 2 +- > drivers/clk/sunxi-ng/ccu-sun8i-a83t.c | 2 +- > drivers/clk/sunxi-ng/ccu-sun8i-h3.c | 2 +- > drivers/clk/sunxi-ng/ccu-sun9i-a80.c | 2 +- > drivers/mailbox/Kconfig | 11 + > drivers/mailbox/Makefile | 2 + > drivers/mailbox/sunxi-msgbox.c | 315 ++++++++++++++++++ > 16 files changed, 429 insertions(+), 7 deletions(-) > create mode 100644 Documentation/devicetree/bindings/mailbox/sunxi-msgbox.txt > create mode 100644 drivers/mailbox/sunxi-msgbox.c Hello Appart from applying/compiling/booting, does it exists some way to test it ? check it works ? Regards
