| Message ID | 1445428027-26174-2-git-send-email-lee.jones@linaro.org |
|---|---|
| State | Accepted |
| Commit | 6cb0e0f6a46a6c2f1d6f9d4a0539f2ed7d8487fb |
| Headers | show |
On Wed, Oct 21, 2015 at 6:47 AM, Lee Jones <lee.jones@linaro.org> wrote: > Signed-off-by: Ludovic Barre <ludovic.barre@st.com> > Signed-off-by: Lee Jones <lee.jones@linaro.org> Are all the instances the same or are some fixed to audio processing for example? If the latter, I think the compatible strings should reflect the function. If the former, then: Acked-by: Rob Herring <robh@kernel.org> Rob > --- > .../devicetree/bindings/remoteproc/st-rproc.txt | 41 ++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/st-rproc.txt > > diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt > new file mode 100644 > index 0000000..1031bcd > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt > @@ -0,0 +1,41 @@ > +STMicroelectronics Co-Processor Bindings > +---------------------------------------- > + > +This binding provides support for adjunct processors found on ST SoCs. > + > +Co-processors can be controlled from the bootloader or the primary OS. If > +the bootloader starts a co-processor, the primary OS must detect its state > +and act accordingly. > + > +Required properties: > +- compatible Should be one of: > + "st,st231-rproc" > + "st,st40-rproc" > +- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) > +- resets Reset lines (See: ../reset/reset.txt) > +- reset-names Must be "sw_reset" and "pwr_reset" > +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) > +- clock-frequency Clock frequency to set co-processor at if the bootloader > + hasn't already done so > +- st,syscfg System configuration register which holds the boot vector > + for the co-processor > + 1st cell: Phandle to syscon block > + 2nd cell: Boot vector register offset > + > +Example: > + > + audio_reserved: rproc@42000000 { > + compatible = "shared-dma-pool"; > + reg = <0x42000000 0x01000000>; > + no-map; > + }; > + > + st231-audio { > + compatible = "st,st231-rproc"; > + memory-region = <&audio_reserved>; > + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; > + reset-names = "sw_reset"; > + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; > + clock-frequency = <600000000>; > + st,syscfg = <&syscfg_core 0x228>; > + }; > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/remoteproc/st-rproc.txt b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt new file mode 100644 index 0000000..1031bcd --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st-rproc.txt @@ -0,0 +1,41 @@ +STMicroelectronics Co-Processor Bindings +---------------------------------------- + +This binding provides support for adjunct processors found on ST SoCs. + +Co-processors can be controlled from the bootloader or the primary OS. If +the bootloader starts a co-processor, the primary OS must detect its state +and act accordingly. + +Required properties: +- compatible Should be one of: + "st,st231-rproc" + "st,st40-rproc" +- memory-region Reserved memory (See: ../reserved-memory/reserved-memory.txt) +- resets Reset lines (See: ../reset/reset.txt) +- reset-names Must be "sw_reset" and "pwr_reset" +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt) +- clock-frequency Clock frequency to set co-processor at if the bootloader + hasn't already done so +- st,syscfg System configuration register which holds the boot vector + for the co-processor + 1st cell: Phandle to syscon block + 2nd cell: Boot vector register offset + +Example: + + audio_reserved: rproc@42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + st231-audio { + compatible = "st,st231-rproc"; + memory-region = <&audio_reserved>; + resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; + reset-names = "sw_reset"; + clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; + clock-frequency = <600000000>; + st,syscfg = <&syscfg_core 0x228>; + };