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Message-ID: <f69c9db1-6274-6caa-e3bd-92ae4a7bff19@linaro.org>
Date: Tue, 29 Nov 2022 09:35:24 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc: italonicola@...labora.com, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
"moderated list:ARM/Amlogic Meson SoC support"
<linux-arm-kernel@...ts.infradead.org>,
"open list:ARM/Amlogic Meson SoC support"
<linux-amlogic@...ts.infradead.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 4/5] arm64: dts: Add DT node for the VIPNano-QI on the
A311D
On 28/11/2022 12:17, 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)
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> ---
> 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..aaa629816e41 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@...00000 {
> + compatible = "vivante,gc";
> + reg = <0x0 0xff100000 0x0 0x20000>;
> + interrupts = <0 147 4>;
> + clocks = <&clkc CLKID_NNA_CORE_CLK>,
> + <&clkc CLKID_NNA_AXI_CLK>;
Nit pick, but this should be aligned.
> + clock-names = "core", "bus";
> + resets = <&reset RESET_NNA>;
> + power-domains = <&pwrc PWRC_G12A_NNA_ID>;
> + };
> };
> 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";
> +};
> +
> /*
> * The VIM3 on-board MCU can mux the PCIe/USB3.0 shared differential
> * lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between
With that fixed:
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
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