Dne četrtek, 11. september 2025 ob 19:47:09 Srednjeevropski poletni čas je Chen-Yu Tsai napisal(a):
> From: Chen-Yu Tsai <wens@csie.org>
>
> Add a device node for the third supported clock controller found in the
> A523 / T527 SoCs. This controller has clocks and resets for the RISC-V
> MCU, and others peripherals possibly meant to operate in low power mode
> driven by the MCU, such as audio interfaces, an audio DSP, and the NPU.
>
> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Best regards,
Jernej
> ---
> Changes since v1:
> - Enlarged MCU PRCM register range to 0x200
> - Moved "r-ahb" clock to the end of the list and added "r-apb0" clock
> ---
> .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 27 +++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> index 79bd9ce08c7c..f93376372aba 100644
> --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> @@ -4,8 +4,10 @@
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/clock/sun6i-rtc.h>
> #include <dt-bindings/clock/sun55i-a523-ccu.h>
> +#include <dt-bindings/clock/sun55i-a523-mcu-ccu.h>
> #include <dt-bindings/clock/sun55i-a523-r-ccu.h>
> #include <dt-bindings/reset/sun55i-a523-ccu.h>
> +#include <dt-bindings/reset/sun55i-a523-mcu-ccu.h>
> #include <dt-bindings/reset/sun55i-a523-r-ccu.h>
> #include <dt-bindings/power/allwinner,sun55i-a523-ppu.h>
> #include <dt-bindings/power/allwinner,sun55i-a523-pck-600.h>
> @@ -825,6 +827,31 @@ rtc: rtc@7090000 {
> clock-names = "bus", "hosc", "ahb";
> #clock-cells = <1>;
> };
> +
> + mcu_ccu: clock-controller@7102000 {
> + compatible = "allwinner,sun55i-a523-mcu-ccu";
> + reg = <0x7102000 0x200>;
> + clocks = <&osc24M>,
> + <&rtc CLK_OSC32K>,
> + <&rtc CLK_IOSC>,
> + <&ccu CLK_PLL_AUDIO0_4X>,
> + <&ccu CLK_PLL_PERIPH0_300M>,
> + <&ccu CLK_DSP>,
> + <&ccu CLK_MBUS>,
> + <&r_ccu CLK_R_AHB>,
> + <&r_ccu CLK_R_APB0>;
> + clock-names = "hosc",
> + "losc",
> + "iosc",
> + "pll-audio0-4x",
> + "pll-periph0-300m",
> + "dsp",
> + "mbus",
> + "r-ahb",
> + "r-apb0";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> };
>
> thermal-zones {
>