[PATCH v6 4/8] arm64: dts: Add DT node for the VIPNano-QI on the A311D
Tomeu Vizoso
tomeu.vizoso at collabora.com
Mon Jan 2 02:17:02 PST 2023
On 1/2/23 10:53, Neil Armstrong wrote:
> On 02/12/2022 12:52, Tomeu Vizoso wrote:
>> This "NPU" is very similar to the Vivante GPUs and Etnaviv works well
>> with it with just a few small changes.
>>
>> v2: Add reference to RESET_NNA (Neil)
>> v3: Fix indentation (Neil)
>>
>> Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>
>> Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 11 +++++++++++
>> .../boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts | 4 ++++
>> 2 files changed, 15 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> index 45947c1031c4..61c8461df614 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
>> @@ -11,6 +11,7 @@
>> #include <dt-bindings/interrupt-controller/arm-gic.h>
>> #include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
>> #include <dt-bindings/thermal/thermal.h>
>> +#include <dt-bindings/power/meson-g12a-power.h>
>> / {
>> interrupt-parent = <&gic>;
>> @@ -2484,4 +2485,14 @@ xtal: xtal-clk {
>> #clock-cells = <0>;
>> };
>> + npu: npu at ff100000 {
>> + compatible = "vivante,gc";
>> + reg = <0x0 0xff100000 0x0 0x20000>;
>> + interrupts = <0 147 4>;
>> + clocks = <&clkc CLKID_NNA_CORE_CLK>,
>> + <&clkc CLKID_NNA_AXI_CLK>;
>> + clock-names = "core", "bus";
>> + resets = <&reset RESET_NNA>;
>> + power-domains = <&pwrc PWRC_G12A_NNA_ID>;
>
> A status = "disable" is missing here.
>
>> + };
>> };
>> diff --git
>> a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
>> b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
>> index 124a80901084..73f3d87dcefd 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
>> @@ -15,6 +15,10 @@ / {
>> compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
>> };
>> +&npu {
>> + status = "okay";
>
> Tomeu, I think until the user-space stack is clean this should be removed
> and left disabled.
Sounds good to me, we can easily carry a patch in Mesa CI in the meantime.
> I can fix this while applying if you want,
I would appreciate it, thanks!
Tomeu
> Neil
>
>> +};
>> +
>> /*
>> * The VIM3 on-board MCU can mux the PCIe/USB3.0 shared differential
>> * lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between
>
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