Re: [PATCH 11/14] arm64: dts: allwinner: Add Allwinner A523 .dtsi file

Jernej Škrabec
2025-01-18T16:31:27Z

Dne ponedeljek, 11. november 2024 ob 02:30:30 Srednjeevropski standardni čas je Andre Przywara napisal(a):
> The Allwinner A523, and its siblings A527 and T527, which share the same
> die, are a new family of SoCs introduced in 2023. They features eight
> Arm Cortex-A55 cores, and, among the other usual peripherals, a PCIe and
> USB 3.0 controller.
>
> Add the basic SoC devicetree .dtsi for the chip, describing the
> fundamental peripherals: the cores, GIC, timer, RTC, CCU and pinctrl.
> Also some other peripherals are fully compatible with previous IP, so
> add the USB and MMC nodes as well.
> The other peripherals will be added in the future, once we understand
> their compatibility and DT requirements.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
> .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 386 ++++++++++++++++++
> 1 file changed, 386 insertions(+)
> create mode 100644 arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> new file mode 100644
> index 0000000000000..96072cea10da4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> @@ -0,0 +1,386 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
> +// Copyright (C) 2023-2024 Arm Ltd.
> +
> +#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-r-ccu.h>
> +#include <dt-bindings/reset/sun55i-a523-ccu.h>
> +#include <dt-bindings/reset/sun55i-a523-r-ccu.h>
> +
> +/ {
> + interrupt-parent = <&gic>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu0: cpu@0 {
> + compatible = "arm,cortex-a55";
> + device_type = "cpu";
> + reg = <0x000>;
> + };
> + };
> +
> + ext_osc32k: ext-osc32k-clk {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <32768>;
> + clock-output-names = "ext_osc32k";
> + };

osc32k should be part of the board DT. It's not mandatory, and some boards,
at least with older generations of SoCs, don't have it.

Best regards,
Jernej

> +
> + osc24M: osc24M-clk {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <24000000>;
> + clock-output-names = "osc24M";
> + };
> +
> + pmu {
> + compatible = "arm,cortex-a55-pmu";
> + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + arm,no-tick-in-suspend;
> + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + soc {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x0 0x0 0x40000000>;
> +
> + pio: pinctrl@2000000 {
> + compatible = "allwinner,sun55i-a523-pinctrl";
> + reg = <0x2000000 0x800>;
> + interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_APB1>, <&osc24M>, <&rtc CLK_OSC32K>;
> + clock-names = "apb", "hosc", "losc";
> + gpio-controller;
> + #gpio-cells = <3>;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> +
> + mmc0_pins: mmc0-pins {
> + pins = "PF0" ,"PF1", "PF2", "PF3", "PF4", "PF5";
> + allwinner,pinmux = <2>;
> + function = "mmc0";
> + drive-strength = <30>;
> + bias-pull-up;
> + };
> +
> + /omit-if-no-ref/
> + mmc1_pins: mmc1-pins {
> + pins = "PG0" ,"PG1", "PG2", "PG3", "PG4", "PG5";
> + allwinner,pinmux = <2>;
> + function = "mmc1";
> + drive-strength = <30>;
> + bias-pull-up;
> + };
> +
> + mmc2_pins: mmc2-pins {
> + pins = "PC1" ,"PC5", "PC6", "PC8", "PC9",
> + "PC10", "PC11", "PC13", "PC14", "PC15",
> + "PC16";
> + allwinner,pinmux = <3>;
> + function = "mmc2";
> + drive-strength = <30>;
> + bias-pull-up;
> + };
> +
> + uart0_pb_pins: uart0-pb-pins {
> + pins = "PB9", "PB10";
> + allwinner,pinmux = <2>;
> + function = "uart0";
> + };
> + };
> +
> + ccu: clock@2001000 {
> + compatible = "allwinner,sun55i-a523-ccu";
> + reg = <0x02001000 0x1000>;
> + clocks = <&osc24M>, <&rtc CLK_OSC32K>, <&rtc CLK_IOSC>;
> + clock-names = "hosc", "losc", "iosc";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> + mmc0: mmc@4020000 {
> + compatible = "allwinner,sun55i-a523-mmc",
> + "allwinner,sun20i-d1-mmc";
> + reg = <0x04020000 0x1000>;
> + clocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;
> + clock-names = "ahb", "mmc";
> + resets = <&ccu RST_BUS_MMC0>;
> + reset-names = "ahb";
> + interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc0_pins>;
> + status = "disabled";
> +
> + max-frequency = <150000000>;
> + cap-sd-highspeed;
> + cap-mmc-highspeed;
> + cap-sdio-irq;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + mmc2: mmc@4022000 {
> + compatible = "allwinner,sun55i-a523-mmc",
> + "allwinner,sun20i-d1-mmc";
> + reg = <0x04022000 0x1000>;
> + clocks = <&ccu CLK_BUS_MMC2>, <&ccu CLK_MMC2>;
> + clock-names = "ahb", "mmc";
> + resets = <&ccu RST_BUS_MMC2>;
> + reset-names = "ahb";
> + interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc2_pins>;
> + status = "disabled";
> +
> + max-frequency = <150000000>;
> + cap-sd-highspeed;
> + cap-mmc-highspeed;
> + cap-sdio-irq;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + wdt: watchdog@2050000 {
> + compatible = "allwinner,sun55i-a523-wdt";
> + reg = <0x2050000 0x20>;
> + interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc24M>, <&rtc CLK_OSC32K>;
> + clock-names = "hosc", "losc";
> + status = "okay";
> + };
> +
> + uart0: serial@2500000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x02500000 0x400>;
> + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clocks = <&ccu CLK_BUS_UART0>;
> + resets = <&ccu RST_BUS_UART0>;
> + status = "disabled";
> + };
> +
> + i2c0: i2c@2502000 {
> + compatible = "allwinner,sun55i-a523-i2c",
> + "allwinner,sun8i-v536-i2c",
> + "allwinner,sun6i-a31-i2c";
> + reg = <0x2502000 0x400>;
> + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_I2C0>;
> + resets = <&ccu RST_BUS_I2C0>;
> + status = "disabled";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + gic: interrupt-controller@3400000 {
> + compatible = "arm,gic-v3";
> + #address-cells = <1>;
> + #interrupt-cells = <3>;
> + #size-cells = <1>;
> + ranges;
> + interrupt-controller;
> + reg = <0x3400000 0x10000>,
> + <0x3460000 0x100000>;
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + dma-noncoherent;
> +
> + its: msi-controller@3440000 {
> + compatible = "arm,gic-v3-its";
> + reg = <0x3440000 0x20000>;
> + msi-controller;
> + #msi-cells = <1>;
> + dma-noncoherent;
> + };
> + };
> +
> + usb_otg: usb@4100000 {
> + compatible = "allwinner,sun55i-a523-musb",
> + "allwinner,sun8i-a33-musb";
> + reg = <0x4100000 0x400>;
> + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "mc";
> + clocks = <&ccu CLK_BUS_OTG>;
> + resets = <&ccu RST_BUS_OTG>;
> + extcon = <&usbphy 0>;
> + phys = <&usbphy 0>;
> + phy-names = "usb";
> + status = "disabled";
> + };
> +
> + usbphy: phy@4100400 {
> + compatible = "allwinner,sun55i-a523-usb-phy",
> + "allwinner,sun20i-d1-usb-phy";
> + reg = <0x4100400 0x100>,
> + <0x4101800 0x100>,
> + <0x4200800 0x100>;
> + reg-names = "phy_ctrl",
> + "pmu0",
> + "pmu1";
> + clocks = <&osc24M>,
> + <&osc24M>;
> + clock-names = "usb0_phy",
> + "usb1_phy";
> + resets = <&ccu RST_USB_PHY0>,
> + <&ccu RST_USB_PHY1>;
> + reset-names = "usb0_reset",
> + "usb1_reset";
> + status = "disabled";
> + #phy-cells = <1>;
> + };
> +
> + ehci0: usb@4101000 {
> + compatible = "allwinner,sun55i-a523-ehci",
> + "generic-ehci";
> + reg = <0x4101000 0x100>;
> + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_OHCI0>,
> + <&ccu CLK_BUS_EHCI0>,
> + <&ccu CLK_USB_OHCI0>;
> + resets = <&ccu RST_BUS_OHCI0>,
> + <&ccu RST_BUS_EHCI0>;
> + phys = <&usbphy 0>;
> + phy-names = "usb";
> + status = "disabled";
> + };
> +
> + ohci0: usb@4101400 {
> + compatible = "allwinner,sun55i-a523-ohci",
> + "generic-ohci";
> + reg = <0x4101400 0x100>;
> + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_OHCI0>,
> + <&ccu CLK_USB_OHCI0>;
> + resets = <&ccu RST_BUS_OHCI0>;
> + phys = <&usbphy 0>;
> + phy-names = "usb";
> + status = "disabled";
> + };
> +
> + ehci1: usb@4200000 {
> + compatible = "allwinner,sun55i-a523-ehci",
> + "generic-ehci";
> + reg = <0x4200000 0x100>;
> + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_OHCI1>,
> + <&ccu CLK_BUS_EHCI1>,
> + <&ccu CLK_USB_OHCI1>;
> + resets = <&ccu RST_BUS_OHCI1>,
> + <&ccu RST_BUS_EHCI1>;
> + phys = <&usbphy 1>;
> + phy-names = "usb";
> + status = "disabled";
> + };
> +
> + ohci1: usb@4200400 {
> + compatible = "allwinner,sun55i-a523-ohci",
> + "generic-ohci";
> + reg = <0x4200400 0x100>;
> + interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_OHCI1>,
> + <&ccu CLK_USB_OHCI1>;
> + resets = <&ccu RST_BUS_OHCI1>;
> + phys = <&usbphy 1>;
> + phy-names = "usb";
> + status = "disabled";
> + };
> +
> + r_ccu: clock-controller@7010000 {
> + compatible = "allwinner,sun55i-a523-r-ccu";
> + reg = <0x7010000 0x250>;
> + clocks = <&osc24M>,
> + <&rtc CLK_OSC32K>,
> + <&rtc CLK_IOSC>,
> + <&ccu CLK_PLL_PERIPH0_200M>,
> + <&ccu CLK_PLL_AUDIO0_4X>;
> + clock-names = "hosc",
> + "losc",
> + "iosc",
> + "pll-periph",
> + "pll-audio";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> + nmi_intc: interrupt-controller@7010320 {
> + compatible = "allwinner,sun55i-a523-nmi",
> + "allwinner,sun9i-a80-nmi";
> + reg = <0x07010320 0xc>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + r_pio: pinctrl@7022000 {
> + compatible = "allwinner,sun55i-a523-r-pinctrl";
> + reg = <0x7022000 0x800>;
> + interrupts = <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&r_ccu CLK_R_APB0>,
> + <&osc24M>,
> + <&rtc CLK_OSC32K>;
> + clock-names = "apb", "hosc", "losc";
> + gpio-controller;
> + #gpio-cells = <3>;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> +
> + r_i2c_pins: r-i2c-pins {
> + pins = "PL0" ,"PL1";
> + allwinner,pinmux = <2>;
> + function = "r_i2c0";
> + };
> + };
> +
> + r_i2c0: i2c@7081400 {
> + compatible = "allwinner,sun55i-a523-i2c",
> + "allwinner,sun8i-v536-i2c",
> + "allwinner,sun6i-a31-i2c";
> + reg = <0x07081400 0x400>;
> + interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&r_ccu CLK_BUS_R_I2C0>;
> + resets = <&r_ccu RST_BUS_R_I2C0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&r_i2c_pins>;
> + status = "disabled";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + rtc: rtc@7090000 {
> + compatible = "allwinner,sun55i-a523-rtc",
> + "allwinner,sun50i-r329-rtc";
> + reg = <0x7090000 0x400>;
> + interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&r_ccu CLK_BUS_R_RTC>,
> + <&osc24M>,
> + <&r_ccu CLK_R_AHB>;
> + clock-names = "bus", "hosc", "ahb";
> + #clock-cells = <1>;
> + };
> + };
> +};
>