arm64: allwinner: a523: Enable MCU PRCM and NPU

[Chen-Yu Tsai]

Dropping network and DT folks and mailing lists. Please report issues on
the relevant thread.

On Sat, Sep 6, 2025 at 3:30 PM Muhammed Subair <msubair at hotmail.com> wrote:
>
> Hello
>
> I have a board with A527 chip , and NPU is detected in  legacy while the new patches shows below message
>
> upstream 6.17-rc4
> # dmesg | grep [   21.988215] etnaviv-gpu 7122000.npu: probe with driver etnaviv-gpu failed with error -110
>  7122000
> [   21.988173] etnaviv-gpu 7122000.npu: deferred probe timeout, ignoring dependency
> [   21.988215] etnaviv-gpu 7122000.npu: probe with driver etnaviv-gpu failed with error -110

This shows that the driver is waiting for some resource to appear and timed
out. Do you have all needed device drivers enabled? I think you need to have
the power domain drivers and the MCU clk driver enabled.

ChenYu


> legacy 5.15
>
> [   13.887892] npu[106][106] vipcore, platform device compatible=allwinner,npu
> [   13.890322] npu[106][106] vipcore, platform driver device=0xffffff80c1a11c10
> [   13.890394] npu[106][106] vipcore irq number is 116.
> [   13.890471] vipcore 7122000.npu: supply npu not found, using dummy regulator
> [   13.892589] npu[106][106] NPU Use VF3, use freq 696
> [   13.892754] npu[106][106] Get NPU Regulator Control FAIL!
> [   13.892766] npu[106][106] Want set npu vol(1000000) now vol(-22)
> [   13.938664] npu[106][106] core_0, request irqline=116, name=vipcore_0
> [   13.938889] npu[106][106] vipcore, allocate page for video memory, size: 0x2000000bytes
> [   13.938900] npu[106][106] vipcore, video memory heap size is more than 4Mbyte,only can allocate 4M byte from page
> [   13.938948] npu[106][106] vipcore, cpu_physical=0x10cc00000, vip_physical=0x10cc00000, vip_memsize=0x400000
> [   13.940230] npu[106][106] VIPLite driver version 1.13.0.0-AW-2023-01-09
> [   25.090905] sunxi:sunxi_pd_test-0.pd-npu-test:[WARN]: runtime_suspend disable clock
>
> -----Original Message-----
> From: Chen-Yu Tsai <wens at kernel.org>
> Sent: Saturday, 6 September 2025 8:14 AM
> To: Andrew Lunn <andrew+netdev at lunn.ch>; David S. Miller <davem at davemloft.net>; Eric Dumazet <edumazet at google.com>; Jakub Kicinski <kuba at kernel.org>; Paolo Abeni <pabeni at redhat.com>; Rob Herring <robh at kernel.org>; Krzysztof Kozlowski <krzk+dt at kernel.org>; Conor Dooley <conor+dt at kernel.org>; Chen-Yu Tsai <wens at csie.org>; Jernej Skrabec <jernej at kernel.org>; Samuel Holland <samuel at sholland.org>
> Cc: netdev at vger.kernel.org; devicetree at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux-sunxi at lists.linux.dev; linux-kernel at vger.kernel.org; Andre Przywara <andre.przywara at arm.com>; Jernej Skrabec <jernej.skrabec at gmail.com>
> Subject: [PATCH net-next v3 10/10] arm64: dts: allwinner: t527: orangepi-4a: Enable Ethernet port
>
> From: Chen-Yu Tsai <wens at csie.org>
>
> On the Orangepi 4A board, the second Ethernet controller, aka the GMAC200, is connected to an external Motorcomm YT8531 PHY. The PHY uses an external 25MHz crystal, has the SoC's PI15 pin connected to its reset pin, and the PI16 pin for its interrupt pin.
>
> Enable it.
>
> Acked-by: Jernej Skrabec <jernej.skrabec at gmail.com>
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
>
> Changes since v1:
> - Switch to generic (tx|rx)-internal-delay-ps properties
> ---
>  .../dts/allwinner/sun55i-t527-orangepi-4a.dts | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
> index 38cd8c7e92da..7afd6e57fe86 100644
> --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
> @@ -15,6 +15,7 @@ / {
>         compatible = "xunlong,orangepi-4a", "allwinner,sun55i-t527";
>
>         aliases {
> +               ethernet0 = &gmac1;
>                 serial0 = &uart0;
>         };
>
> @@ -95,11 +96,33 @@ &ehci1 {
>         status = "okay";
>  };
>
> +&gmac1 {
> +       phy-mode = "rgmii-id";
> +       phy-handle = <&ext_rgmii_phy>;
> +       phy-supply = <&reg_cldo4>;
> +
> +       tx-internal-delay-ps = <0>;
> +       rx-internal-delay-ps = <300>;
> +
> +       status = "okay";
> +};
> +
>  &gpu {
>         mali-supply = <&reg_dcdc2>;
>         status = "okay";
>  };
>
> +&mdio1 {
> +       ext_rgmii_phy: ethernet-phy at 1 {
> +               compatible = "ethernet-phy-ieee802.3-c22";
> +               reg = <1>;
> +               interrupts-extended = <&pio 8 16 IRQ_TYPE_LEVEL_LOW>; /* PI16 */
> +               reset-gpios = <&pio 8 15 GPIO_ACTIVE_LOW>; /* PI15 */
> +               reset-assert-us = <10000>;
> +               reset-deassert-us = <150000>;
> +       };
> +};
> +
>  &mmc0 {
>         vmmc-supply = <&reg_cldo3>;
>         cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */
> --
> 2.39.5
>
>